{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09331_013.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Spokane, Washington | 1950 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"148"},{"label":"placed","value":"124"},{"label":"unplaced","value":"24"},{"label":"fit sources","value":"georef 72, georef-snap 52"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"15 sheet(s) cut into 37 panels"},{"label":"unplaced pages","value":"p0__2 (tier 1, 47.69463,-117.38146 +/-100m); p145__1 (tier 2, 47.69619,-117.39076 +/-1286m); p145__3 (tier 1, 47.70102,-117.40619 +/-100m); p145__4 (tier 1, 47.69449,-117.38962 +/-100m); p145__5 (tier 1, 47.70229,-117.40622 +/-100m); p181 (tier 2, 47.68459,-117.39173 +/-180m); p205 (tier 2, 47.67806,-117.38539 +/-124m); p214__1 (tier 2, 47.67437,-117.38856 +/-206m); p214__2 (tier 2, 47.67437,-117.38856 +/-206m); p221__2 (tier 1, 47.67284,-117.39173 +/-100m); p229__1 (tier 1, 47.66556,-117.40940 +/-260m); p229__2 (tier 1, 47.66447,-117.41070 +/-100m); p230 (tier 2, 47.66566,-117.40091 +/-112m); p233__1 (tier 1, 47.66156,-117.39826 +/-247m); p233__2 (tier 1, 47.66224,-117.39832 +/-100m); p234__2 (tier 1, 47.66257,-117.39650 +/-130m); p235__1 (tier 1, 47.70718,-117.37145 +/-100m); p235__3 (tier 2, 47.70755,-117.37325 +/-228m); p246__3 (tier 1, 47.69270,-117.36425 +/-100m); p258__1 (tier 4, 47.68769,-117.39117 +/-3178m); p258__2 (tier 4, 47.68769,-117.39117 +/-3178m); p258__3 (tier 4, 47.68769,-117.39117 +/-3178m); p259__1 (tier 4, 47.68769,-117.39117 +/-3178m); p259__2 (tier 1, 47.65495,-117.41091 +/-231m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0135/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p135","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0135/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0135","type":"ImageService3","width":1438,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1382.5,1024.1 1375.9,2037.0 1287.0,2037.0 1286.0,2028.0 1130.0,2028.0 1128.4,2031.3 1128.0,2028.0 987.0,2027.0 869.0,2018.0 692.0,2016.0 562.0,2020.0 404.0,2014.0 109.9,2014.0 96.6,2004.8 58.5,1511.7 125.2,71.3 752.5,37.0 756.9,21.2 890.6,21.1 1386.9,30.5 1382.5,1024.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0135/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[876.0,1024.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37625972383638,47.69216030155557]}},{"type":"Feature","properties":{"resourceCoords":[876.0,52.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37365053211444,47.69216887605398]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0136/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p136","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0136/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0136","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"527.0,2003.3 278.6,2001.8 37.8,2006.5 37.0,1020.5 34.2,56.5 528.0,54.0 967.4,55.6 1258.2,52.6 1364.5,46.5 1356.5,345.4 1341.0,346.0 1339.0,381.0 1355.5,382.3 1341.3,915.6 1364.3,915.6 1361.0,1482.5 1359.7,2000.3 1256.3,2001.0 995.2,2001.1 757.9,2008.9 757.6,2001.6 527.0,2003.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0136/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1007.0,2001.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3789728,47.6894429]}},{"type":"Feature","properties":{"resourceCoords":[528.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3735826,47.6903263]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0137/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p137","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0137/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0137","type":"ImageService3","width":1438,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"443.8,1996.2 96.2,1998.5 63.6,1998.8 63.2,1488.1 64.5,929.0 41.8,929.1 61.8,72.0 122.1,68.3 366.6,36.2 910.6,38.2 1289.2,35.5 1376.2,35.0 1372.1,1485.2 1418.6,1485.4 1437.0,1758.3 1437.0,1998.7 1170.9,1997.5 925.8,1995.2 680.7,1997.3 443.8,1996.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0137/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[844.0,1996.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37897828633835,47.68731200439715]}},{"type":"Feature","properties":{"resourceCoords":[287.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37347289915476,47.68834253295376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0138/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p138","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0138/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0138","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"215.8,2014.5 211.7,2014.4 210.8,1769.1 192.3,1490.4 144.8,1490.2 150.2,24.1 196.0,19.0 200.0,24.0 208.7,23.8 207.6,97.0 1145.3,27.4 1223.0,28.0 1223.7,21.6 1241.4,20.2 1247.0,29.0 1254.2,29.1 1251.3,488.4 1260.0,988.0 1261.5,1499.2 1260.0,2008.0 1234.2,2008.2 1231.0,2005.0 1201.0,2005.0 1200.5,2008.5 594.0,2013.1 215.8,2014.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0138/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1260.0,988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3761889,47.684241]}},{"type":"Feature","properties":{"resourceCoords":[1260.0,2008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3789922,47.6842504]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0139/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p139","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0139/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0139","type":"ImageService3","width":1438,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1125.5,1998.7 634.9,2004.8 141.0,2007.7 135.2,1026.2 46.4,1027.7 88.2,69.9 113.7,43.5 590.8,19.9 1315.5,19.8 1405.3,508.9 1392.6,509.0 1361.4,1007.8 1365.6,1007.6 1367.1,1992.6 1125.5,1998.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0139/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[621.0,1022.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38165761876411,47.69788840879118]}},{"type":"Feature","properties":{"resourceCoords":[621.0,1988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38429294801686,47.69792167694278]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0140/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p140","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0140/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0140","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1325.7,2015.1 1218.0,2007.0 1108.7,2014.6 1055.0,2014.0 1015.0,2019.0 1014.8,2021.0 870.5,2020.3 853.0,2019.0 833.0,2019.9 337.9,2014.5 102.8,2014.8 99.8,2014.8 121.9,1023.6 117.7,1023.7 161.1,522.6 173.9,522.9 95.2,28.5 1315.9,57.4 1331.5,82.8 1328.1,539.9 1330.8,1031.7 1326.9,1775.7 1325.7,2015.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0140/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1329.0,1533.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38302051477632,47.694313536317765]}},{"type":"Feature","properties":{"resourceCoords":[338.0,2006.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38431652546505,47.6961173715081]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0141/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p141","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0141/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0141","type":"ImageService3","width":1438,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"128.7,2011.7 225.0,2009.0 321.1,2011.8 332.0,2011.0 565.2,2018.7 1068.2,2015.0 1322.5,2020.0 1323.5,1093.5 1323.0,9.7 1300.6,1.0 884.6,1.0 880.0,13.0 823.0,14.0 818.4,1.0 567.2,1.0 566.8,1.8 566.0,9.0 562.9,9.3 548.9,36.3 106.0,28.6 122.0,54.2 121.5,516.5 127.4,1013.9 128.3,1766.4 128.7,2011.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0141/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[818.0,1099.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3818919796316,47.693069211506256]}},{"type":"Feature","properties":{"resourceCoords":[818.0,1999.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38430435969083,47.69307134673373]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0142/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p142","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0142/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0142","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1336.4,2010.5 1276.7,2010.3 1220.0,2006.0 1217.2,2010.1 1092.9,2009.8 848.8,2007.5 600.0,2010.0 367.0,2006.0 146.4,2005.0 103.4,2004.8 108.9,1098.3 113.8,37.7 360.8,38.9 605.9,42.3 849.2,39.0 1100.0,42.0 1333.0,41.8 1355.0,1096.5 1356.7,1096.6 1343.7,2010.3 1336.4,2010.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0142/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[600.0,2010.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3843715,47.6912456]}},{"type":"Feature","properties":{"resourceCoords":[1100.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3789758,47.690337]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0143/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p143","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0143/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0143","type":"ImageService3","width":1438,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1066.0,1980.3 820.0,1990.0 579.8,1985.8 321.4,1997.6 85.2,2003.8 98.1,1081.7 96.3,1081.6 74.0,24.6 316.0,18.0 376.0,21.0 379.3,18.4 582.2,19.4 721.3,19.4 1080.5,20.3 1325.4,23.7 1318.2,1983.0 1066.0,1980.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0143/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[820.0,1990.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3843209,47.688532]}},{"type":"Feature","properties":{"resourceCoords":[328.0,18.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3789728,47.6894429]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0144/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p144","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0144/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0144","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1284.0,1628.0 1286.8,1866.0 1288.5,2010.6 1220.0,2007.0 1216.0,2012.0 1205.1,2012.3 918.5,1997.4 918.6,2014.0 625.1,2015.9 625.2,2000.7 451.7,1994.2 452.5,2005.4 305.3,2017.2 133.6,2021.1 133.1,1997.1 122.7,35.6 376.4,33.5 630.0,36.0 910.6,37.3 1294.0,35.6 1286.5,1244.2 1284.0,1628.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0144/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1284.0,1628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3833143,47.6855173]}},{"type":"Feature","properties":{"resourceCoords":[630.0,36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3789879,47.6866946]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0145__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p145 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3118.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2585.2"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0145__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0145","type":"ImageService3","width":1426,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1268.3,20.1 1160.7,14.2 958.1,32.3 833.6,34.2 865.0,1022.2 849.2,1022.6 832.0,2010.3 921.6,2009.1 1356.5,2002.7 1362.1,1010.3 1350.6,26.4 1268.4,27.7 1268.3,20.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0145__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[992.5,1019.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3870259,47.6948465]}},{"type":"Feature","properties":{"resourceCoords":[992.5,2008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3897087,47.6948735]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0146/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p146","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0146/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0146","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"778.0,1998.0 348.2,2007.1 161.3,2004.9 157.2,1025.6 136.4,54.9 55.2,56.9 55.1,52.5 149.0,47.7 480.8,49.4 971.0,34.2 1218.9,33.3 1261.7,32.3 1268.9,32.1 1268.7,1002.4 1245.5,1002.3 1268.7,1951.4 1269.4,1985.1 977.1,1991.3 902.4,2000.5 778.2,2003.2 778.0,1998.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0146/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[510.0,1020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3870259,47.6935178]}},{"type":"Feature","properties":{"resourceCoords":[778.0,1998.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.389732,47.6930667]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0147/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p147","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0147/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0147","type":"ImageService3","width":1426,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1038.4,2021.0 826.5,2017.5 618.6,2016.9 83.1,2010.7 83.5,1977.5 91.4,1013.9 114.9,1014.7 147.2,30.3 363.1,32.3 598.7,37.3 850.4,35.8 1097.2,39.2 1297.8,40.7 1331.1,903.2 1361.1,903.1 1315.5,1462.8 1323.6,1462.9 1332.2,2020.8 1331.7,2020.8 1038.4,2021.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0147/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[594.0,1012.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38701132374956,47.6912400947488]}},{"type":"Feature","properties":{"resourceCoords":[817.0,2004.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38969311606522,47.6908192206999]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0148/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p148","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0148/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0148","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"820.0,1998.0 409.8,1992.1 200.2,1991.8 87.9,1991.6 80.0,1446.5 72.0,1446.4 117.0,899.7 87.7,899.8 55.9,57.1 100.5,57.5 339.0,52.5 592.0,42.3 827.2,47.7 1068.0,39.5 1315.0,43.5 1316.3,370.0 1307.8,910.9 1306.1,1462.0 1301.4,2002.7 1260.5,2008.9 1120.1,2003.2 934.5,2014.4 928.7,2006.5 819.9,2010.0 820.0,1998.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0148/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[820.0,908.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3867059,47.6885313]}},{"type":"Feature","properties":{"resourceCoords":[820.0,1998.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3897276,47.6885135]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0149/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p149","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0149/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0149","type":"ImageService3","width":1426,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"147.8,1442.2 148.0,883.9 155.0,335.9 152.8,28.9 323.0,27.0 469.0,17.0 468.4,5.9 640.1,14.3 639.9,29.4 930.6,30.8 930.7,14.4 1297.2,37.6 1297.2,179.5 1295.2,518.2 1260.4,574.5 1209.9,627.5 1353.7,719.4 1296.5,835.1 1286.5,935.4 1278.3,1229.2 1277.3,1761.1 1331.4,1761.5 1311.5,2037.0 879.0,2037.0 878.0,2028.0 730.2,2025.5 663.6,1996.5 625.4,1996.8 531.5,2000.8 385.6,1991.5 144.7,1990.1 147.8,1442.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0149/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[637.0,1438.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38821047264938,47.686714113250844]}},{"type":"Feature","properties":{"resourceCoords":[637.0,38.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3843796514155,47.68672914544812]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0150__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p150 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4090.8"},{"label":"split_canvas_w","value":"5672.0"},{"label":"split_canvas_h","value":"4061.2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0150__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0150","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1325.2,1024.9 915.4,1028.5 88.5,1033.5 97.8,2014.2 227.0,2021.0 465.0,2015.0 635.0,2024.0 747.0,2023.0 747.0,2023.8 749.8,2023.7 750.0,2022.0 883.0,2018.0 907.0,2020.0 907.0,2022.0 1010.2,2020.8 1010.0,2016.0 1132.0,2007.0 1300.0,2009.0 1321.0,2014.0 1345.9,2013.7 1325.2,1024.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0150__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[507.0,1994.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39502776654763,47.696899553266405]}},{"type":"Feature","properties":{"resourceCoords":[507.0,1046.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39243321534151,47.69687973082993]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0150__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p150 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5672.0"},{"label":"split_canvas_h","value":"4090.8"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0150__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0150","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"303.8,1020.5 509.7,1019.4 1334.1,1021.6 1338.7,30.3 1056.2,27.5 1056.0,29.0 1031.0,29.0 1029.3,27.3 1002.5,27.0 979.0,30.0 956.1,26.6 509.5,22.1 339.0,23.0 221.0,31.0 145.3,30.5 145.0,32.0 99.1,30.2 94.9,972.6 94.6,1021.7 303.8,1020.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0150__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[511.0,997.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39504008666407,47.69917066042557]}},{"type":"Feature","properties":{"resourceCoords":[96.0,997.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39504325357527,47.69993545687213]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0151/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p151","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0151/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0151","type":"ImageService3","width":1426,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1380.2,78.1 1361.9,243.0 1353.8,992.0 1345.4,1998.2 1344.4,2037.0 1248.0,2037.0 1247.0,2028.0 1213.0,2028.0 1212.0,2037.0 889.0,2037.0 888.0,2028.0 730.8,2016.9 317.4,2008.0 118.0,2006.0 118.2,1007.7 124.6,24.2 328.4,26.6 760.1,30.9 947.9,39.6 1379.8,45.4 1380.2,78.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0151/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[939.0,1020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3924103,47.6938606]}},{"type":"Feature","properties":{"resourceCoords":[118.0,2006.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39513,47.6953545]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0152/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p152","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0152/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0152","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"793.4,2008.7 720.6,2019.2 503.7,2014.8 217.7,2019.8 90.5,2016.7 91.5,1965.7 93.4,966.9 96.6,223.3 113.7,59.5 113.1,32.1 128.0,33.0 128.2,32.2 237.0,33.0 311.8,25.9 603.4,27.9 603.4,26.8 1129.7,30.6 1334.0,30.2 1324.3,1011.1 1329.5,1997.7 1329.4,2010.5 1303.6,2009.7 1302.0,2009.0 1283.2,2009.0 1241.3,2007.7 1236.0,2005.0 1160.0,2005.0 1085.0,2012.0 1064.0,2009.0 1025.1,2012.8 921.2,2014.1 793.4,2008.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0152/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[920.0,1009.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3924309,47.6915635]}},{"type":"Feature","properties":{"resourceCoords":[91.0,1992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3951478,47.6930952]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0153/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p153","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0153/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0153","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.5,1004.5 100.2,21.6 308.8,23.2 597.5,20.6 711.2,19.7 922.5,18.0 1336.0,20.0 1336.1,62.0 1336.0,1013.0 1338.2,1978.5 1298.7,1978.2 1231.7,1978.4 1129.5,1978.4 984.8,1981.0 922.5,1996.1 721.9,1993.3 304.6,1991.9 103.8,1993.1 94.5,1004.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0153/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1336.0,1013.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3924588,47.6885149]}},{"type":"Feature","properties":{"resourceCoords":[1336.0,20.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3897276,47.6885135]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0154/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p154","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0154/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0154","type":"ImageService3","width":1415,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"688.5,2026.7 672.1,2027.0 661.1,2030.1 611.1,2028.0 611.0,2027.0 470.1,2022.9 419.5,2012.5 89.7,2013.2 89.6,2008.6 84.0,1027.1 80.7,60.4 80.5,30.0 88.0,30.0 88.2,29.6 192.0,25.0 198.0,33.0 388.0,19.0 532.0,23.0 573.8,16.1 590.1,16.1 678.0,19.0 679.3,15.7 817.5,15.2 856.7,15.4 869.0,19.0 888.6,17.6 915.5,19.5 916.0,20.0 965.0,23.0 968.0,27.0 1032.0,21.0 1059.0,23.0 1060.0,18.0 1098.7,17.4 1166.3,46.0 1315.8,47.0 1316.8,56.1 1389.0,56.1 1390.0,81.0 1386.0,92.0 1386.0,126.0 1393.0,127.0 1395.0,219.0 1387.0,227.0 1387.0,243.0 1393.0,269.0 1391.0,316.0 1396.0,317.0 1399.0,337.0 1391.0,338.0 1388.0,480.0 1398.0,482.0 1399.0,490.0 1414.0,490.0 1414.0,507.0 1389.0,505.0 1389.0,543.0 1397.0,556.0 1393.0,594.0 1399.0,595.0 1400.0,609.0 1392.0,613.0 1391.0,749.0 1392.0,755.0 1397.0,756.0 1397.0,770.0 1392.0,771.0 1396.0,810.0 1392.0,811.0 1392.0,833.0 1397.0,841.0 1414.0,841.0 1412.0,844.0 1392.0,844.0 1390.0,883.0 1342.0,886.0 1343.0,938.0 1391.0,935.0 1397.0,1021.0 1414.0,1023.0 1414.0,1043.0 1400.0,1044.0 1405.0,1106.0 1398.0,1108.0 1397.0,1115.0 1389.0,1337.0 1397.0,1338.0 1398.0,1358.0 1391.0,1360.0 1389.0,1400.0 1397.0,1404.0 1414.0,1402.0 1414.0,1423.0 1391.0,1424.0 1391.0,1466.0 1403.0,1467.0 1403.0,1486.0 1392.0,1487.0 1399.0,1652.0 1398.5,1671.0 1336.5,1752.2 1336.8,2028.2 1317.2,2028.2 1315.0,2017.0 1279.0,2012.0 1278.0,2020.0 1217.0,2020.0 1216.5,2028.1 1189.5,2028.1 1189.0,2021.0 1173.0,2021.0 1172.0,2027.0 1159.0,2026.0 1158.0,2016.0 1140.0,2016.0 1139.0,2027.0 1131.0,2028.0 1090.1,2028.0 1086.0,2016.0 1062.0,2015.0 1061.0,2025.0 1058.0,2017.0 1017.0,2019.0 1017.0,2028.0 925.0,2027.8 881.0,2027.5 881.0,2027.0 865.0,2027.0 864.9,2027.3 842.7,2027.2 839.0,2027.0 837.0,2037.0 703.5,2033.0 688.5,2026.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0154/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[930.0,1019.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39244650247545,47.686973917130274]}},{"type":"Feature","properties":{"resourceCoords":[930.0,36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3897868343648,47.686966366575234]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0155/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p155","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0155/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0155","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1391.7,403.3 1393.5,43.8 928.0,30.2 928.0,56.2 461.1,20.1 461.1,27.9 260.8,32.4 257.4,1.0 223.3,1.0 119.2,422.4 145.2,421.8 155.2,1417.0 173.0,1416.7 185.3,1963.1 462.6,1960.0 462.5,1964.8 928.6,1979.7 928.5,1953.5 1395.7,1982.0 1395.4,1447.1 1391.7,403.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0155/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[464.0,1412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3951338,47.7038981]}},{"type":"Feature","properties":{"resourceCoords":[928.0,408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3924183,47.7030454]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0156/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p156","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0156/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0156","type":"ImageService3","width":1415,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1392.8,1435.6 1290.9,1448.0 1291.3,1511.7 1294.0,1942.5 890.1,1946.5 890.1,1938.9 453.1,1925.8 453.0,1933.3 37.7,1931.9 38.4,1474.5 36.8,420.8 39.1,86.2 460.3,51.5 899.6,60.6 1289.8,65.6 1291.0,402.8 1290.8,1374.3 1290.8,1424.4 1402.0,1424.6 1392.8,1435.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0156/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[452.0,408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39237758999899,47.701449910978916]}},{"type":"Feature","properties":{"resourceCoords":[1291.0,408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3923813055684,47.69993454613513]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0157/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p157","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0157/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0157","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1376.5,1526.2 1371.5,2004.0 908.7,1991.8 908.8,1989.4 446.7,2000.5 446.6,2002.7 52.9,1501.7 103.3,1502.7 178.1,534.5 188.9,534.4 182.0,81.0 458.5,80.0 458.5,84.8 923.4,103.1 923.5,77.0 1389.2,108.8 1386.3,526.6 1376.5,1526.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0157/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[454.0,1529.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4005536,47.7039028]}},{"type":"Feature","properties":{"resourceCoords":[454.0,532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.397846,47.7039096]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0158/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p158","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0158/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0158","type":"ImageService3","width":1415,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1315.6,62.6 1314.4,547.1 1309.5,1550.5 1303.1,2015.6 1256.8,2014.8 1158.0,2010.0 1121.8,2012.6 899.7,2008.8 893.2,1949.4 882.5,2002.2 467.1,1995.9 466.9,2012.4 128.2,2024.1 96.0,2022.0 46.1,2025.7 52.7,1544.0 66.0,542.0 71.2,41.3 482.6,46.3 482.7,38.8 915.6,55.6 915.5,63.2 1315.6,62.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0158/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[472.0,1544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4005286,47.7014525]}},{"type":"Feature","properties":{"resourceCoords":[66.0,542.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.397822,47.7022057]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0159/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p159","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0159/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0159","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"81.4,1003.0 86.3,89.5 86.7,26.2 188.1,15.1 197.3,4.3 210.1,12.7 298.9,3.1 507.5,3.4 740.5,5.8 741.0,12.0 852.0,11.0 852.4,6.9 891.7,7.2 892.0,10.0 914.0,10.0 915.0,7.5 959.6,8.0 960.0,14.0 979.0,14.0 979.4,8.1 998.6,8.3 999.0,13.0 1019.0,13.0 1019.4,8.5 1052.7,8.9 1053.0,13.0 1135.0,9.7 1318.0,11.5 1320.0,19.0 1342.8,23.8 1342.4,63.5 1333.3,1021.0 1327.3,2027.0 274.6,2013.8 73.6,2009.0 81.4,1003.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0159/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[922.0,2002.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.400488356918,47.69838295708659]}},{"type":"Feature","properties":{"resourceCoords":[922.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39516542013777,47.69841869823535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0160/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p160","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0160/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0160","type":"ImageService3","width":1415,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"99.5,1000.7 99.7,49.8 99.7,20.5 148.0,20.0 149.0,30.0 167.0,32.0 195.0,28.0 245.0,33.0 443.0,22.0 474.0,24.0 475.0,19.0 493.0,23.0 692.0,24.0 714.0,20.0 733.0,27.0 798.0,29.0 801.0,16.0 842.0,19.0 843.0,14.0 966.0,21.0 968.0,31.0 1170.0,26.0 1171.0,22.0 1247.0,21.0 1253.0,25.0 1354.9,29.1 1341.7,1009.1 1349.0,2008.9 1305.9,2013.2 1285.5,2008.4 927.3,2004.0 871.9,2011.6 744.4,2003.9 409.1,2002.4 213.3,2010.7 202.3,2001.6 102.8,1999.8 99.5,1000.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0160/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[518.0,1994.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40052839513865,47.69688516985562]}},{"type":"Feature","properties":{"resourceCoords":[518.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39518466378676,47.69688752695444]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0161/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p161","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0161/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0161","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1327.2,57.0 1327.0,1019.1 1337.0,2006.0 924.7,2005.5 98.4,2002.2 91.7,1011.9 105.8,22.6 304.3,22.9 716.2,28.2 872.9,38.0 874.0,46.9 1327.5,44.0 1327.2,57.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0161/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1337.0,2006.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4005734,47.6930733]}},{"type":"Feature","properties":{"resourceCoords":[920.0,28.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3951419,47.6938491]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0162/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p162","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0162/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0162","type":"ImageService3","width":1417,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"98.6,1996.5 86.8,996.4 85.2,21.5 85.2,19.9 145.9,21.1 146.0,22.0 170.1,21.6 214.6,22.6 233.3,22.2 241.0,27.0 400.9,18.6 505.4,16.4 726.0,20.0 797.0,21.0 800.0,9.0 865.0,17.0 930.0,14.0 945.0,24.0 1255.0,18.0 1264.0,23.0 1341.3,21.1 1345.0,21.2 1344.9,43.0 1343.7,995.1 1344.6,1997.4 1344.5,2019.0 1297.0,2012.0 1156.0,2010.0 1080.0,2014.3 1070.0,2013.0 1004.9,2018.5 962.9,2020.9 898.2,2015.8 503.7,2010.2 217.8,2020.7 150.1,2006.6 98.6,2007.8 98.6,1996.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0162/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[90.0,998.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39786697984736,47.69308818306622]}},{"type":"Feature","properties":{"resourceCoords":[91.0,1994.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40056657528501,47.69308718402967]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0163/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p163","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0163/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0163","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.4,1005.2 91.2,60.2 92.0,13.2 294.4,14.9 714.6,22.6 916.6,28.4 962.3,18.0 979.0,18.0 979.6,14.1 985.4,14.3 986.0,18.0 1064.0,18.0 1228.3,15.1 1295.9,15.9 1335.6,26.7 1335.3,63.5 1312.6,2022.8 1102.4,2020.8 902.9,2018.0 872.3,2023.8 703.5,2013.8 63.0,2000.1 76.4,1005.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0163/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[82.0,1996.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4005654239947,47.69076540131784]}},{"type":"Feature","properties":{"resourceCoords":[82.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39519810678674,47.69081566577073]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0164/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p164","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0164/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0164","type":"ImageService3","width":1417,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"202.8,2013.3 132.0,2010.1 132.0,2003.2 123.6,42.1 123.3,14.6 147.0,15.0 152.0,21.0 166.0,23.0 194.0,20.0 196.0,29.0 433.0,18.0 440.0,13.0 479.0,12.0 481.0,17.0 533.6,17.2 534.7,17.5 690.0,18.0 700.9,14.9 717.1,14.6 732.0,21.0 879.0,27.0 944.4,17.4 947.0,24.0 1198.0,26.0 1200.0,18.0 1271.0,19.0 1296.0,24.0 1301.0,31.0 1360.2,30.1 1363.7,554.7 1364.6,844.0 1365.1,1009.8 1358.1,1009.8 1290.3,2000.5 1167.7,2000.0 1184.0,2008.0 1164.0,2008.0 1135.1,2010.7 1089.0,2013.3 1087.0,2010.0 1005.0,2018.0 972.0,2017.0 971.9,2017.8 966.1,2017.7 966.0,2017.0 871.7,2017.0 529.5,2005.1 202.8,2013.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0164/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[960.0,1012.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39789221473175,47.686979114031075]}},{"type":"Feature","properties":{"resourceCoords":[544.0,1990.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40055799204858,47.68774657097476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0165/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p165","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0165/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0165","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1315.8,1017.6 1319.7,2005.0 93.9,2006.8 87.1,967.8 88.6,33.0 285.3,34.8 1315.3,32.3 1315.8,1017.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0165/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[496.0,1022.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4032669,47.6991776]}},{"type":"Feature","properties":{"resourceCoords":[496.0,34.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4005384,47.6991684]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0166/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p166","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0166/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0166","type":"ImageService3","width":1417,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1279.0,2014.2 1207.0,2008.0 1096.8,2014.6 1089.8,2014.6 1087.0,2010.0 1051.0,2013.0 1051.0,2014.7 1047.0,2014.7 1047.0,2014.0 1026.0,2014.7 710.7,2015.3 682.8,2019.3 660.2,2015.4 516.3,2015.7 442.2,2015.8 372.0,2013.0 302.2,2016.1 254.2,2016.2 220.3,2019.7 219.8,2016.2 100.8,2016.5 96.5,1016.6 95.7,18.8 158.4,19.6 167.0,23.0 195.0,20.0 198.0,27.0 206.0,29.0 401.3,19.5 735.8,19.1 863.0,26.0 918.3,18.1 948.3,18.3 950.0,24.0 1110.0,22.0 1198.0,26.0 1200.3,19.9 1275.7,20.3 1296.0,25.0 1298.0,29.0 1339.1,31.4 1340.5,977.6 1341.0,1061.9 1342.2,1256.0 1340.0,1256.0 1339.0,1307.0 1342.5,1307.0 1347.0,2014.1 1279.0,2014.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0166/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[508.0,1992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40593210213257,47.69690808515502]}},{"type":"Feature","properties":{"resourceCoords":[508.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40058690174077,47.69688880674659]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0167/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p167","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0167/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0167","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1142.0,2009.0 899.5,2015.7 558.8,2008.1 85.2,2007.3 83.0,1253.2 82.5,1060.2 82.4,976.3 84.2,24.2 912.0,24.8 1325.0,24.0 1325.4,361.7 1317.5,1016.6 1321.9,2009.3 1321.9,2016.2 1142.0,2009.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0167/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[910.0,1014.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4032856,47.6938427]}},{"type":"Feature","properties":{"resourceCoords":[1325.0,24.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4005734,47.6930733]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0168/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p168","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0168/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0168","type":"ImageService3","width":1417,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"77.0,1012.0 84.8,346.9 84.4,15.3 136.0,14.0 146.0,21.0 178.2,22.7 204.0,28.0 491.0,17.0 747.1,20.2 750.0,21.0 887.0,22.0 952.0,27.0 1136.0,22.0 1201.0,27.0 1202.2,25.0 1204.5,25.1 1205.0,29.0 1249.0,27.1 1335.1,31.1 1335.0,975.7 1335.2,1060.8 1339.4,2021.7 1296.1,2021.7 1245.0,2018.0 1243.0,2014.0 1147.0,2014.0 1084.0,2020.0 1082.0,2014.0 1035.0,2018.0 1035.0,2021.3 1034.1,2021.3 1034.0,2020.0 977.0,2021.0 954.0,2021.2 797.0,2020.0 796.9,2021.0 534.0,2020.6 485.0,2017.0 356.0,2016.0 279.1,2020.3 81.7,2020.0 77.0,1012.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0168/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[77.0,1012.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.403295,47.6930906]}},{"type":"Feature","properties":{"resourceCoords":[1335.0,1012.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4033024,47.6908043]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0169/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p169","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0169/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0169","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.7,1349.6 71.0,1327.0 69.7,1326.9 69.9,1054.7 70.1,970.7 75.1,9.2 186.5,10.3 189.0,12.0 212.0,12.0 212.1,10.6 644.9,15.2 645.0,17.0 661.0,17.0 666.6,15.4 715.2,15.9 729.0,21.0 884.0,24.0 914.0,22.0 914.5,17.9 990.9,18.1 991.0,21.0 1025.0,20.0 1025.0,18.2 1068.7,18.4 1076.0,19.0 1112.7,18.5 1113.9,18.5 1324.0,19.1 1313.0,980.1 1310.3,2012.3 69.2,2004.3 69.7,1349.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0169/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[72.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4033282455784,47.690800387822506]}},{"type":"Feature","properties":{"resourceCoords":[480.0,29.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40062821769435,47.69005531899592]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0170/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p170","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0170/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0170","type":"ImageService3","width":1417,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"93.8,982.4 89.0,24.5 160.0,27.0 438.0,19.0 438.5,16.8 487.0,15.0 917.0,25.0 1164.8,21.1 1328.0,98.8 1328.4,127.1 1335.1,593.3 1337.0,1061.5 1342.4,1388.1 1334.0,1389.0 1337.0,1439.0 1343.2,1438.9 1352.5,2003.1 937.4,2007.2 732.0,2011.5 108.0,2017.5 93.8,982.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0170/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[510.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.403327,47.6877557]}},{"type":"Feature","properties":{"resourceCoords":[94.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4033118,47.6885186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0171/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p171","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0171/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0171","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.6,1442.0 81.0,1442.0 82.0,1393.0 67.9,1392.2 70.1,1017.1 77.8,22.1 83.0,24.0 101.0,23.0 101.0,5.0 199.5,4.2 200.0,9.0 234.0,10.0 234.5,4.7 354.8,3.1 502.1,7.9 649.0,9.7 649.0,18.0 669.0,18.0 672.0,14.0 700.0,14.0 700.5,10.3 711.9,10.4 712.0,12.0 737.0,21.0 932.0,23.0 933.0,15.0 947.0,14.0 947.1,13.3 1004.1,14.0 1005.0,22.0 1127.7,15.6 1336.5,18.1 1349.9,28.0 1341.7,1039.6 1338.3,1937.5 272.1,2000.7 64.6,1961.2 67.6,1442.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0171/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[496.0,1024.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4087113,47.6968881]}},{"type":"Feature","properties":{"resourceCoords":[912.0,1934.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4111326,47.6961259]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0172/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p172","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0172/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0172","type":"ImageService3","width":1417,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1262.9,1939.5 696.0,1996.9 653.0,1996.8 125.2,1920.5 88.0,1922.8 90.3,1026.8 97.1,24.6 261.0,26.0 422.0,16.0 581.9,13.0 931.0,24.0 1179.3,19.5 1215.8,21.3 1226.0,24.0 1363.5,28.6 1359.0,1041.5 1355.8,1413.0 1350.8,1451.9 1350.0,1452.0 1348.0,1474.0 1350.0,1501.0 1353.8,1500.8 1371.7,1583.2 1366.9,1711.0 1358.2,1767.1 1317.0,1929.3 1262.9,1939.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0172/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[936.0,1928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.41112924167288,47.69383126894681]}},{"type":"Feature","properties":{"resourceCoords":[516.0,39.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40608020463272,47.69461324606392]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0173/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p173","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0173/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0173","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1336.2,1077.4 1335.2,1958.3 1071.1,2007.3 77.8,1959.4 34.5,1959.2 74.9,1797.2 83.4,1741.2 87.7,1613.7 63.5,1504.8 70.1,1503.3 77.0,1503.0 75.0,1454.0 70.9,1454.0 71.1,1443.9 72.8,1073.1 73.0,55.2 271.7,56.5 349.1,52.6 528.2,58.2 1338.7,63.7 1336.2,1077.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0173/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[494.0,1072.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.408741,47.69232]}},{"type":"Feature","properties":{"resourceCoords":[494.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4060206,47.6923258]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0174/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p174","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0174/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0174","type":"ImageService3","width":1417,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"80.5,1066.2 85.1,56.7 1343.8,67.7 1337.1,1922.5 1325.0,1917.7 796.4,2004.2 90.2,1941.0 77.7,1943.3 80.5,1066.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0174/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1328.0,1070.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40874117202618,47.68853661063347]}},{"type":"Feature","properties":{"resourceCoords":[920.0,1950.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.41111781784892,47.68926821646432]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0175/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p175","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0175/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0175","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1348.5,842.1 1346.8,1092.9 1341.4,1952.5 1217.0,2000.3 227.1,2004.2 65.8,1940.4 66.6,1564.4 80.0,1564.0 81.0,1517.0 66.7,1515.5 69.8,55.9 710.9,60.8 922.0,60.0 1348.5,63.1 1350.3,549.0 1348.5,825.6 1352.1,842.1 1348.5,842.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0175/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[922.0,1091.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.408777,47.6869894]}},{"type":"Feature","properties":{"resourceCoords":[922.0,60.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.406043,47.6869963]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0176/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p176","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0176/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0176","type":"ImageService3","width":1417,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"947.9,29.8 1020.1,103.7 1300.9,182.4 1270.8,527.3 1270.1,865.9 1259.6,866.0 1333.6,2005.0 1181.0,2004.0 1018.2,2007.8 818.1,1990.1 555.0,1943.9 556.4,2012.5 318.0,1995.4 78.3,1995.8 52.0,1980.0 39.0,1160.4 122.2,377.1 61.3,126.5 112.5,45.0 107.8,33.4 947.9,29.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0176/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[70.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4111600552041,47.68624161617461]}},{"type":"Feature","properties":{"resourceCoords":[1008.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40861452608208,47.686229776662685]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0177/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p177","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0177/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0177","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"299.4,2019.9 1222.9,2025.7 1272.8,2024.4 1295.3,1047.0 1323.1,1051.0 1329.5,503.7 1323.9,502.5 1333.6,34.7 762.8,34.8 287.0,37.0 16.2,35.5 15.0,37.0 1.0,38.9 1.0,159.7 106.8,190.4 73.2,535.8 69.2,875.0 58.7,875.0 121.8,2018.8 299.4,2019.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0177/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[287.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4073356,47.6862284]}},{"type":"Feature","properties":{"resourceCoords":[1227.0,1037.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4047821,47.6844101]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0178/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p178","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0178/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0178","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.5,2019.4 44.1,1044.3 72.0,1048.0 70.6,499.6 65.0,498.5 68.0,29.7 100.6,29.2 226.0,28.0 236.2,27.2 445.4,24.2 917.3,23.3 1238.1,19.4 1387.4,26.7 1394.8,407.6 1401.8,1534.9 1403.0,1630.2 1348.0,1641.0 1346.0,1671.0 1349.0,1691.0 1393.0,1689.0 1395.0,1801.0 1405.1,1802.5 1405.1,1804.0 1398.0,1806.0 1395.0,1854.0 1399.0,1863.0 1405.8,1863.0 1406.0,1876.0 1399.0,1877.0 1399.0,1893.0 1404.0,1894.0 1399.0,1895.0 1401.0,1917.0 1406.5,1917.0 1406.7,1929.1 1399.0,1931.0 1395.0,1978.0 1398.0,1985.0 1407.3,1985.0 1395.0,2004.0 1391.0,2010.0 1084.0,2017.0 1045.3,2020.0 794.6,2021.2 722.2,2002.8 676.1,1965.4 619.4,1870.7 537.4,1871.7 407.8,1942.0 309.2,1980.7 198.3,2009.9 95.7,2021.3 35.5,2019.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0178/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[455.0,562.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40347167296207,47.68526147235504]}},{"type":"Feature","properties":{"resourceCoords":[1365.0,2015.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40105660434087,47.68259875097362]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0179/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p179","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0179/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0179","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1372.7,1229.5 1362.0,1229.6 1357.6,1769.0 1336.2,1769.3 1180.4,1771.5 1052.2,1799.1 763.0,1798.5 36.0,1801.4 36.3,1688.0 74.0,1687.0 73.0,1640.0 36.5,1637.4 39.5,660.0 35.5,265.0 64.4,264.9 165.0,59.8 164.4,185.1 1176.8,254.4 1176.8,261.5 1346.2,261.0 1363.7,260.9 1377.1,660.0 1387.0,660.0 1372.7,1229.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0179/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[496.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.399708,47.6855214]}},{"type":"Feature","properties":{"resourceCoords":[1054.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3982183,47.6855194]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0180/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p180","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.32"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0180/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0180","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1152.9,1818.7 1136.7,1818.8 898.8,1820.2 391.8,1824.2 255.2,1825.9 37.7,1829.7 40.0,1266.1 51.2,1266.0 63.8,671.0 53.5,671.1 37.9,254.2 328.4,252.2 901.7,246.1 1194.0,245.3 1302.9,328.2 1397.1,328.0 1402.0,448.0 1410.0,456.0 1410.0,469.0 1419.0,470.0 1419.0,544.0 1410.0,545.0 1410.0,561.0 1419.0,562.0 1419.0,1685.0 1396.0,1687.0 1393.0,1696.0 1351.0,1700.0 1349.0,1730.0 1351.0,1736.0 1366.0,1736.0 1370.0,1749.0 1385.8,1749.6 1306.9,1817.8 1152.9,1818.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0180/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[322.0,670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3966696,47.6855173]}},{"type":"Feature","properties":{"resourceCoords":[322.0,1241.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3966782,47.684535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0182/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p182","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0182/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0182","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"312.4,1852.2 1386.8,1854.6 1386.8,1801.5 1354.0,1804.0 1351.0,1769.0 1354.0,1749.0 1386.8,1744.0 1386.7,1160.3 1380.2,462.8 1330.7,399.6 1330.0,267.4 1368.2,206.9 1249.3,150.5 1146.8,141.8 847.0,138.0 304.6,145.2 304.9,200.4 22.6,184.3 20.3,27.8 1.0,19.4 1.0,1202.3 311.7,1628.9 312.4,1852.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0182/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[847.0,1853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3876719,47.6824379]}},{"type":"Feature","properties":{"resourceCoords":[847.0,138.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.387629,47.685535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0183/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p183","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0183/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0183","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1356.5,1852.3 1376.1,1846.6 1369.7,1846.5 1396.2,1283.1 1373.1,1283.0 1390.2,150.4 1115.8,148.3 877.5,150.8 583.2,153.8 240.8,155.3 183.6,120.7 129.4,70.2 38.1,216.5 1.0,274.7 1.0,408.5 48.8,470.0 51.8,1161.2 49.0,1752.0 72.0,1752.0 73.0,1767.0 91.0,1769.0 89.0,1807.0 48.7,1806.5 48.5,1849.2 574.8,1843.8 1110.6,1844.6 1356.0,1846.5 1356.5,1852.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0183/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[570.0,1852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3848122436742,47.6824167510375]}},{"type":"Feature","properties":{"resourceCoords":[570.0,132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38479181949715,47.685551382822936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0184/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p184","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0184/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0184","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"70.3,1834.8 91.3,1275.5 68.4,1275.7 74.5,151.8 183.8,151.6 1384.8,149.1 1396.0,819.9 1402.8,1261.5 1414.0,1801.7 1398.0,1804.0 1394.3,1808.5 1392.7,1809.1 1353.0,1813.0 1353.2,1822.8 882.9,1826.7 345.0,1834.2 87.9,1834.8 70.3,1834.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0184/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[876.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38044991995709,47.68237532632767]}},{"type":"Feature","properties":{"resourceCoords":[876.0,130.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38038435160794,47.68553076673384]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0185/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p185","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0185/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0185","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.8,1325.2 116.0,126.5 98.1,105.7 336.9,108.0 574.1,127.8 573.6,59.5 835.2,108.5 1034.2,128.5 1196.5,126.6 1345.6,131.1 1309.7,1118.8 1293.6,1118.8 1403.0,1761.6 1373.7,1778.8 1341.8,1981.7 600.0,1889.7 596.0,1876.4 98.3,1873.1 58.8,1325.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0185/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[95.0,1119.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.41116966619282,47.68079165655329]}},{"type":"Feature","properties":{"resourceCoords":[95.0,1881.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.41115982504324,47.67939418184863]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0186/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p186","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0186/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0186","type":"ImageService3","width":1420,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1291.2,1882.6 223.7,1785.3 112.2,1114.5 128.5,1114.7 168.8,116.0 350.4,118.3 1278.7,129.6 1298.5,129.1 1310.6,1123.6 1271.1,1123.7 1267.7,1581.7 1277.0,1582.8 1276.1,1704.1 1268.6,1749.0 1286.7,1782.8 1294.2,1879.7 1291.2,1882.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0186/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1277.0,1121.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40476682956336,47.68080917387851]}},{"type":"Feature","properties":{"resourceCoords":[1277.0,1886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40474887546385,47.679421678354004]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0187/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p187","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0187/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0187","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.1,144.4 47.5,1119.5 8.7,1119.9 8.8,1321.9 10.0,1322.0 11.0,1373.0 8.8,1373.2 8.8,1385.8 11.0,1386.0 11.0,1402.0 8.8,1402.2 8.8,1422.8 11.0,1423.0 11.0,1439.0 8.8,1439.2 8.8,1444.0 10.0,1444.0 11.0,1449.0 17.0,1450.0 17.0,1480.0 8.8,1480.5 8.8,1506.0 17.0,1507.0 17.0,1524.0 8.8,1524.5 8.8,1569.0 18.0,1570.0 18.0,1633.3 20.0,1635.0 19.0,1655.0 18.0,1655.0 18.0,1689.0 18.0,1710.0 14.5,1710.9 11.0,1733.0 18.0,1733.0 22.0,1743.0 30.0,1745.0 29.0,1766.0 32.8,1811.4 37.0,1812.0 37.0,1861.0 32.7,1861.3 37.6,1870.2 86.0,1875.0 85.9,1879.8 474.6,1878.0 941.8,1882.4 1225.9,1879.3 1403.0,1901.4 1403.0,1127.0 1392.2,1125.7 1386.5,154.2 1391.6,146.5 1051.4,152.1 804.7,150.2 733.7,131.2 688.8,93.9 634.7,1.0 551.6,1.0 425.1,67.6 327.7,104.5 218.2,131.9 117.2,141.8 111.2,142.0 57.9,139.2 28.1,144.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0187/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[944.0,1115.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4022131,47.680815]}},{"type":"Feature","properties":{"resourceCoords":[471.0,1115.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4035126,47.6808141]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0188__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p188 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5692.0"},{"label":"split_canvas_h","value":"2757.6"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0188__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0188","type":"ImageService3","width":1423,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.1,73.7 66.2,638.1 775.9,635.0 1061.9,631.4 1343.5,633.4 1356.4,633.4 1363.2,69.7 1345.0,69.8 1062.9,69.5 508.0,70.0 67.1,73.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0188__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[508.0,70.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3997494,47.6803959]}},{"type":"Feature","properties":{"resourceCoords":[508.0,636.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3997521,47.679363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0188__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p188 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2757.6"},{"label":"split_canvas_w","value":"5692.0"},{"label":"split_canvas_h","value":"2606.8"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0188__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0188","type":"ImageService3","width":1423,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1144.7,1296.8 1422.0,1303.5 1422.0,744.9 1157.8,742.9 872.0,731.4 309.2,727.1 47.0,725.1 32.9,1282.6 298.2,1286.3 862.0,1290.2 1144.7,1296.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0188__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[323.0,1292.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39665787739895,47.679354302932694]}},{"type":"Feature","properties":{"resourceCoords":[1371.0,1292.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39378911126211,47.67937668678204]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0188__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p188 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5364.4"},{"label":"split_canvas_w","value":"5692.0"},{"label":"split_canvas_h","value":"2787.6"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0188__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0188","type":"ImageService3","width":1423,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"487.3,1945.4 557.2,1929.2 1125.4,1923.3 1366.4,1924.6 1366.7,1939.7 1367.9,1939.6 1386.0,1398.3 1373.6,1398.2 1124.2,1397.3 573.9,1401.7 27.7,1402.7 11.0,1402.8 17.6,1947.6 25.0,1947.6 487.3,1945.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0188__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1108.0,1397.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39058396356455,47.680392730879774]}},{"type":"Feature","properties":{"resourceCoords":[65.0,1397.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39351244644837,47.68039734054996]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0189/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p189","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0189/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0189","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"209.8,167.6 924.3,164.0 1208.5,164.3 1207.7,1846.8 654.0,1848.0 214.1,1852.2 212.0,1632.0 199.7,1630.7 190.0,648.0 211.7,647.7 211.5,615.5 199.3,608.5 211.3,559.9 211.1,494.1 200.3,485.1 210.8,435.5 210.8,433.9 200.8,432.4 199.7,320.9 155.9,322.5 155.3,272.8 210.2,262.4 209.8,167.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0189/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1208.0,1283.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3982398,47.6814262]}},{"type":"Feature","properties":{"resourceCoords":[654.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3997494,47.6803959]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0190/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p190","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0190/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0190","type":"ImageService3","width":1423,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"711.4,1868.3 426.8,1869.7 143.3,1869.1 148.3,173.8 275.2,146.7 429.5,144.8 657.0,141.9 786.4,141.0 1162.4,140.0 1162.2,196.8 1302.9,196.1 1289.3,1301.0 1286.0,1301.0 1282.9,1865.7 711.4,1868.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0190/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[145.0,1301.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3982398,47.6814262]}},{"type":"Feature","properties":{"resourceCoords":[1286.0,1301.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3951636,47.681425]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0191/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p191","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0191/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0191","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"703.9,1859.2 1272.5,1856.9 1270.0,1290.0 1254.7,1289.9 1312.8,77.4 1367.9,37.7 1330.0,27.0 1247.0,14.0 1122.0,11.0 1014.0,20.0 798.0,22.0 598.5,17.8 598.5,35.1 491.2,127.7 330.0,128.3 104.5,129.3 1.0,129.9 1.0,186.7 140.7,185.4 131.3,1290.0 128.0,1290.0 127.1,1854.5 417.4,1861.6 703.9,1859.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0191/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[128.0,1290.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3951636,47.681425]}},{"type":"Feature","properties":{"resourceCoords":[1270.0,1290.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3920836,47.6814158]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0192/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p192","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0192/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0192","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.0,1291.0 103.7,1290.9 163.9,77.9 228.4,30.8 264.0,31.0 547.0,14.0 915.6,19.7 915.3,69.0 1222.7,496.9 1222.0,719.0 1215.8,1855.1 1164.7,1854.9 953.4,1854.2 693.7,1853.3 120.6,1858.2 119.0,1291.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0192/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[119.0,1291.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3920836,47.6814158]}},{"type":"Feature","properties":{"resourceCoords":[1222.0,719.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3891058,47.6824484]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0193/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p193","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0193/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0193","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1373.1,1912.6 1346.4,1908.2 1278.5,1996.8 1018.3,2019.1 982.8,2037.0 890.7,2037.0 863.0,1974.5 334.9,1960.4 326.9,1930.3 67.0,1937.0 52.5,1896.3 49.2,1747.1 68.5,1165.0 265.2,1165.7 316.0,1165.9 322.3,38.6 1383.0,48.1 1384.5,607.3 1380.7,1172.6 1381.7,1573.8 1379.0,1760.2 1403.0,1812.5 1403.0,1813.6 1403.0,1833.2 1373.2,1846.7 1373.2,1893.9 1373.1,1912.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0193/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[862.0,1172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38764765193564,47.68037266918604]}},{"type":"Feature","properties":{"resourceCoords":[328.0,1580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38910140510161,47.679628925436724]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0194/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p194","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0194/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0194","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"678.5,1949.5 678.1,1940.2 1406.0,1877.0 1406.0,1874.1 1406.0,1868.3 1379.1,1865.0 1362.0,1387.0 1355.0,1388.7 1354.6,601.9 1343.1,601.9 1348.0,405.5 1329.0,405.0 1331.0,357.0 1374.0,357.0 1378.4,323.5 1350.1,323.6 1357.3,37.4 1354.1,37.4 1342.8,37.3 1342.0,43.0 1323.0,43.0 1322.6,37.1 1075.7,35.2 536.6,34.3 7.2,39.6 9.5,604.2 6.5,1174.9 8.2,1580.0 5.7,1768.2 30.0,1821.0 1.0,1854.5 1.0,1922.2 420.1,1990.3 678.5,1949.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0194/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[539.0,602.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3847992,47.6814031]}},{"type":"Feature","properties":{"resourceCoords":[1075.0,1174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3833632,47.6803628]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0195/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p195","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0195/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0195","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.9,403.4 86.0,404.0 87.0,351.0 58.5,351.0 67.0,61.9 327.0,65.0 878.0,65.0 1403.0,68.1 1403.0,1004.0 1399.0,1000.4 1338.8,1406.5 1357.7,1843.2 812.4,2002.4 81.3,1908.3 66.0,1425.3 58.9,1427.1 61.8,632.1 50.2,632.1 56.0,433.8 36.8,433.1 56.9,403.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0195/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[878.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3804304,47.6824143]}},{"type":"Feature","properties":{"resourceCoords":[327.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3818981,47.6824143]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0196/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p196","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0196/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0196","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.9,1039.0 46.8,476.8 44.3,34.0 558.0,36.0 1074.1,34.9 1290.3,31.3 1318.5,32.5 1320.8,1039.4 1329.4,1802.4 1338.8,1800.4 1359.8,1877.0 1314.7,1968.2 1086.5,1991.2 107.5,2017.3 37.5,1954.8 33.8,1039.0 34.7,1039.0 52.9,1039.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0196/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1074.0,1039.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3762004,47.682401]}},{"type":"Feature","properties":{"resourceCoords":[558.0,36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3775938,47.6842429]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0197/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p197","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0197/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0197","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.5,721.2 94.6,389.4 79.3,171.2 578.8,175.7 582.8,189.0 1275.2,276.6 1252.9,789.0 1271.3,789.1 1270.6,1392.8 1275.0,1392.8 1271.0,1992.4 1076.0,1991.4 83.3,1983.8 40.5,721.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0197/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[89.0,786.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.41111278555135,47.678285385246085]}},{"type":"Feature","properties":{"resourceCoords":[659.0,1972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40954304621303,47.676125327984224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0198/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p198","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0198/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0198","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"74.1,797.8 95.2,291.1 146.5,297.5 178.2,96.2 1258.8,191.0 1267.7,207.2 1267.5,437.3 1267.5,524.0 1267.1,860.7 1260.2,1398.6 1262.1,1992.6 605.0,1989.5 94.0,1987.7 97.0,1394.8 92.6,1394.8 92.3,797.9 74.1,797.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0198/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[672.0,1406.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40630349229362,47.677176784791655]}},{"type":"Feature","properties":{"resourceCoords":[1275.0,1406.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40464831772945,47.677182727342334]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0199/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p199","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0199/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0199","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"85.1,87.7 526.0,85.0 1003.4,88.8 1293.7,85.2 1292.2,633.6 1295.5,1301.0 1300.3,1842.5 1300.8,1909.5 89.8,1910.5 84.5,1304.0 88.3,754.9 86.8,411.1 85.1,87.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0199/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[526.0,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4035005,47.6794028]}},{"type":"Feature","properties":{"resourceCoords":[695.0,1910.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.403048,47.6760989]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0200/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p200","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"26"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0200/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0200","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"681.8,1891.2 681.8,1911.5 89.8,1892.6 89.5,1841.5 85.2,1304.8 82.8,643.5 84.8,100.0 264.2,122.4 973.3,121.0 1259.0,118.2 1256.7,672.7 1327.8,673.2 1328.3,1575.3 1328.4,1843.5 1328.4,1845.4 681.8,1891.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0200/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1328.0,1126.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3980615,47.6775293]}},{"type":"Feature","properties":{"resourceCoords":[682.0,1578.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3998133,47.6767027]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0201/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p201","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0201/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0201","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"144.0,1636.0 139.6,724.9 67.8,724.6 67.7,164.6 351.9,166.0 635.3,165.7 1210.0,161.0 1262.8,161.4 1226.1,724.0 1241.8,724.1 1298.5,1176.7 1280.2,1176.7 1253.8,1632.1 1271.1,1908.7 706.1,1941.2 706.1,1921.5 145.3,1902.0 144.0,1636.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0201/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[144.0,1636.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3980598,47.6767085]}},{"type":"Feature","properties":{"resourceCoords":[1210.0,161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3951823,47.6793694]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0202/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p202","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0202/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0202","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.7,1639.6 133.5,1186.5 151.8,1186.6 97.9,736.0 82.2,735.8 121.9,176.2 356.0,179.5 645.0,183.7 1125.9,183.5 1124.8,740.6 1253.8,740.7 1254.7,1187.8 1252.0,1642.0 1253.2,1913.5 1253.2,1931.0 409.6,1899.8 120.4,1914.9 104.7,1639.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0202/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[412.0,1187.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3942517,47.6775322]}},{"type":"Feature","properties":{"resourceCoords":[1252.0,1642.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3919817,47.6767085]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0203/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p203","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"22"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0203/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0203","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1033.6,1874.3 1029.6,1886.7 295.7,1897.5 295.7,1884.2 294.0,1610.0 295.9,1151.3 294.4,699.7 164.1,699.9 164.3,137.2 237.8,120.4 834.7,115.8 1087.8,118.0 1091.5,308.4 1106.0,349.8 1104.9,743.1 1120.1,830.6 1138.1,874.2 1178.1,876.6 1337.7,796.8 1403.0,783.5 1356.3,834.3 1122.1,954.7 1105.9,990.1 1099.2,1055.6 1089.8,1382.9 1080.8,1607.2 1152.2,1615.6 1065.0,1779.2 1033.6,1874.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0203/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[616.0,698.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3911223,47.67835]}},{"type":"Feature","properties":{"resourceCoords":[294.0,1610.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3919817,47.6767085]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0204/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p204","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.20"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0204/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0204","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"173.8,1877.3 176.9,1868.1 64.7,1586.3 88.1,1508.0 172.8,1337.6 99.2,1331.2 102.0,1100.6 102.0,764.4 107.0,696.9 122.5,660.1 359.4,529.7 425.4,471.6 339.2,491.7 177.8,578.3 136.7,577.1 116.9,532.8 98.8,443.4 88.4,39.7 359.4,25.8 368.6,57.0 920.0,57.7 950.5,122.2 1046.7,119.8 1083.2,100.1 1354.2,70.0 1348.5,77.9 1371.5,346.8 1292.0,533.8 1336.4,1295.0 1240.4,1444.0 1087.1,1471.3 1082.0,1563.9 928.5,1583.6 833.2,1755.7 837.3,1901.8 555.4,2009.8 557.5,2023.8 544.0,2022.8 173.8,1877.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0204/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[908.0,197.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38769203427029,47.678661323795716]}},{"type":"Feature","properties":{"resourceCoords":[84.0,579.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38986373714336,47.67803252189624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0206/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p206","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.56"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0206/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0206","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"192.5,2020.4 185.8,2020.6 133.4,1292.8 124.8,1292.7 221.8,597.9 70.2,57.2 843.4,32.1 1325.7,126.5 1270.2,445.7 1373.9,1183.0 1332.3,1591.6 1271.4,1724.8 1121.8,1805.0 988.0,1803.6 644.4,1956.1 190.4,1988.4 195.0,2020.4 192.5,2020.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0206/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1067.0,1599.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3832782892825,47.67738706559742]}},{"type":"Feature","properties":{"resourceCoords":[75.0,26.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37906838714295,47.67921733918432]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0207/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p207","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0207/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0207","type":"ImageService3","width":1404,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1130.5,103.6 1301.6,103.7 1336.1,707.8 1325.3,707.8 1305.4,1318.4 1307.2,1318.4 1303.8,1921.4 1062.2,1922.1 704.0,1923.0 120.9,1918.8 66.7,1462.8 103.0,674.4 109.5,674.4 109.8,526.8 129.4,100.8 1130.5,103.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0207/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[114.0,1316.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4111391,47.673894]}},{"type":"Feature","properties":{"resourceCoords":[704.0,1923.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4095475,47.6727965]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0208/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p208","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0208/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0208","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.9,1921.8 91.4,1319.2 89.6,1319.2 104.5,708.9 115.3,708.9 75.9,105.5 622.2,101.3 1292.0,97.0 1304.2,1309.2 1304.3,1606.1 1307.5,1910.9 701.1,1915.1 274.9,1919.8 92.9,1921.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0208/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[696.0,1316.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4062995,47.673894]}},{"type":"Feature","properties":{"resourceCoords":[1292.0,97.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.404675,47.6760984]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0209/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p209","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0209/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0209","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1298.5,99.0 1299.5,634.8 1294.7,1308.2 1296.5,1610.9 1298.2,1910.8 692.3,1912.3 87.0,1915.9 86.3,1610.2 88.7,1312.5 86.2,96.9 1298.5,99.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0209/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[692.0,1310.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4030407,47.6739069]}},{"type":"Feature","properties":{"resourceCoords":[692.0,98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.403048,47.6760989]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0210/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p210","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0210/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0210","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"764.0,1952.0 764.2,1929.2 41.5,1911.0 40.9,1614.4 40.4,1312.3 47.8,640.5 48.8,106.1 48.7,90.8 645.2,113.1 645.3,92.6 1297.2,50.0 1295.9,320.6 1288.1,1955.2 764.0,1952.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0210/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[764.0,1952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.399463,47.6727611]}},{"type":"Feature","properties":{"resourceCoords":[644.0,318.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.399813,47.6757219]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0211/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p211","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0211/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0211","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"141.1,64.2 141.1,59.4 702.6,82.2 702.5,102.0 1279.8,72.1 1266.7,338.3 1273.8,338.3 1281.4,886.5 1275.7,886.6 1301.7,1431.6 1277.0,1978.5 1181.0,1977.6 701.0,1977.0 139.1,1978.5 140.8,337.8 141.1,64.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0211/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[701.0,338.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3965552,47.6757265]}},{"type":"Feature","properties":{"resourceCoords":[701.0,1977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3965447,47.6727663]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0212/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p212","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0212/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0212","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"140.6,342.3 133.6,342.3 146.5,77.4 424.8,62.9 1269.3,93.8 1269.6,341.9 1268.3,1160.8 1270.2,1434.1 1268.0,1974.0 382.1,1976.3 144.8,1974.1 169.0,1429.9 142.8,887.7 148.5,887.7 140.6,342.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0212/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1268.0,887.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3919765,47.6747432]}},{"type":"Feature","properties":{"resourceCoords":[1268.0,1974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3919712,47.6727698]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0213/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p213","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0213/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0213","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.7,1417.5 121.5,1142.9 122.0,320.0 121.4,66.4 852.5,55.9 856.4,43.5 862.9,24.0 963.9,300.2 960.5,309.1 1329.2,466.4 1356.5,679.8 1184.4,1164.9 1184.2,1433.7 1258.8,1553.2 1258.7,1695.8 714.9,1899.0 715.4,1959.8 122.0,1960.0 123.7,1417.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0213/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[122.0,320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3919747,47.6757329]}},{"type":"Feature","properties":{"resourceCoords":[122.0,1960.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3919712,47.6727698]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0215/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p215","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0215/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0215","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"698.5,82.3 1051.3,83.2 1285.7,83.7 1301.3,646.2 1297.7,646.2 1297.2,709.1 1291.7,709.1 1302.1,1274.7 1296.8,1274.6 1297.0,1864.6 899.4,1859.4 693.0,1887.4 693.5,1833.1 79.9,1822.0 58.4,622.9 128.1,110.2 124.1,75.3 698.5,82.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0215/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[113.0,1276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.41112314221154,47.67059240684766]}},{"type":"Feature","properties":{"resourceCoords":[113.0,66.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.41114745864428,47.67281855178307]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0216/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p216","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0216/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0216","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.1,654.7 103.9,88.9 287.9,88.5 710.6,87.6 1312.0,88.7 1311.4,653.9 1308.8,723.1 1312.0,1284.5 1309.8,1864.9 789.0,1862.2 710.3,1882.6 409.6,1882.5 123.2,1880.5 120.4,1287.0 125.8,1286.9 112.7,718.0 118.5,654.7 122.1,654.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0216/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1308.0,1276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40466357202962,47.67063717793368]}},{"type":"Feature","properties":{"resourceCoords":[1308.0,73.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.404672940808,47.672837259094734]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0217/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p217","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0217/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0217","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"710.7,84.8 1307.8,79.2 1309.8,645.0 1307.2,984.2 1310.5,1638.4 1309.9,1854.2 185.5,1860.9 125.0,1861.9 123.0,1283.7 115.7,724.3 117.8,655.4 114.3,92.2 710.7,84.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0217/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[709.0,74.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40304076460373,47.67283727875552]}},{"type":"Feature","properties":{"resourceCoords":[1312.0,1878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40141877309253,47.66952116737499]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0218/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p218","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0218/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0218","type":"ImageService3","width":1417,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.7,1663.8 115.2,1007.0 117.2,666.4 114.0,98.3 114.0,95.8 831.0,105.0 831.0,127.6 1350.7,124.3 1353.9,552.5 1339.1,608.5 1339.5,662.4 1364.3,662.0 1358.1,724.4 1338.4,724.4 1316.3,724.4 1315.5,997.0 1318.2,1294.3 1276.9,1294.7 1306.5,1870.4 717.6,1903.1 678.4,1918.5 163.9,1923.8 119.8,1924.4 119.5,1880.4 119.7,1663.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0218/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[708.0,1286.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39981649192124,47.6706448341776]}},{"type":"Feature","properties":{"resourceCoords":[830.0,101.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.399465209578,47.672809701695904]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0219/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p219","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0219/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0219","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"693.4,1860.0 693.2,1866.4 79.2,1876.8 60.0,1268.8 101.2,1269.2 104.3,972.0 110.5,699.7 132.6,700.2 152.3,700.4 159.8,638.3 134.9,638.2 135.5,584.3 151.5,528.6 156.7,100.8 711.5,105.3 1185.4,111.2 1305.9,113.7 1318.3,651.6 1296.7,715.0 1291.0,1287.2 1265.5,1286.8 1271.7,1872.5 693.4,1860.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0219/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[699.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39655815629338,47.671731429041316]}},{"type":"Feature","properties":{"resourceCoords":[1297.0,1276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39491190503925,47.67063949072783]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0220/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p220","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0220/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0220","type":"ImageService3","width":1417,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"110.0,1283.0 104.3,706.1 124.9,641.8 101.7,99.7 313.4,100.0 1199.9,90.3 1197.9,698.1 1251.0,697.2 1197.8,1880.2 683.8,1858.7 684.0,1872.2 102.4,1879.2 84.3,1283.2 110.0,1283.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0220/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[360.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.394234,47.6727621]}},{"type":"Feature","properties":{"resourceCoords":[110.0,1283.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3949279,47.6706189]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0221__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p221 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.63"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5644.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0221__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0221","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"241.0,2021.0 273.6,2002.5 429.8,2004.0 594.2,1916.4 1025.2,1972.6 1097.3,1430.5 1103.3,1429.9 1104.3,1426.1 1139.2,1426.4 1305.8,1410.2 1405.7,303.1 1333.0,131.4 1334.1,16.2 1274.8,12.5 791.0,188.3 791.0,249.0 200.0,243.9 188.3,851.6 241.3,851.5 170.2,2018.8 241.0,2021.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0221__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[791.0,819.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3903641,47.6717369]}},{"type":"Feature","properties":{"resourceCoords":[791.0,249.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3903789,47.6727709]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0222/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p222","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0222/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0222","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"31.6,1739.9 33.3,1437.7 38.1,1437.7 18.7,1130.1 48.3,50.6 475.9,21.2 666.0,44.2 666.0,49.2 745.5,53.9 1184.3,39.5 1341.4,78.6 1380.0,333.9 1389.8,862.6 1349.6,2009.0 1102.0,2009.0 942.0,2020.0 660.0,2024.0 659.0,2028.0 456.0,2028.0 433.0,2019.0 154.0,2023.0 54.0,2017.1 32.7,1739.9 31.6,1739.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0222/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[663.0,333.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.35757390668105,47.685731811518174]}},{"type":"Feature","properties":{"resourceCoords":[1095.0,1183.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.36209411794597,47.68414670643358]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0223/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p223","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0223/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0223","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"709.5,93.8 709.5,147.5 913.4,117.7 1306.7,118.8 1321.1,118.8 1313.5,650.8 1318.3,1304.3 1304.2,1304.5 1295.0,1940.1 1049.9,1917.5 803.5,1990.7 513.0,1890.0 117.0,1939.8 99.0,1925.0 76.8,1234.0 86.0,1234.0 88.0,1182.0 75.1,1181.6 59.6,701.9 117.5,622.0 102.4,89.1 709.5,93.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0223/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[122.0,894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.411155,47.6680901]}},{"type":"Feature","properties":{"resourceCoords":[1314.0,716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4078612,47.6684147]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0224/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p224","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0224/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0224","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"402.3,104.1 704.0,104.0 783.0,83.4 1305.5,85.8 1305.5,126.0 1291.0,126.0 1285.9,2008.5 1264.8,1998.6 1213.5,1769.0 902.5,1775.8 887.5,1857.1 465.6,1819.2 339.5,1944.7 154.4,1966.5 93.5,1960.6 106.2,1312.1 120.6,1312.0 119.2,645.0 129.7,102.3 402.3,104.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0224/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[402.0,714.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4070959,47.6684115]}},{"type":"Feature","properties":{"resourceCoords":[704.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4062821,47.6695246]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0225/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p225","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.51"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0225/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0225","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1390.0,1887.6 1392.7,1889.8 1357.3,1885.9 1048.5,2000.5 667.9,1942.8 193.9,2007.1 92.3,1959.2 94.6,133.2 108.7,133.2 108.7,94.2 167.8,93.5 1266.0,92.6 1266.0,135.4 1308.9,135.1 1323.1,135.0 1299.5,654.3 1318.2,682.1 1295.5,742.8 1245.7,1841.8 1348.1,1867.5 1390.0,1887.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0225/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[684.0,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4030484,47.6695239]}},{"type":"Feature","properties":{"resourceCoords":[1266.0,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4014242,47.6695247]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0226/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p226","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0226/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0226","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"225.3,1950.9 222.4,1948.6 198.8,1937.2 179.4,1927.8 74.1,1900.9 129.2,769.5 152.8,707.2 133.7,678.4 159.2,153.3 159.7,143.8 660.5,143.9 699.9,128.9 1290.1,102.2 1315.6,726.4 1291.7,726.1 1296.1,939.0 1332.3,1133.7 1339.4,1307.0 1323.0,1308.0 1324.0,1358.0 1341.5,1357.5 1365.4,1941.1 552.8,1938.4 553.0,1988.7 225.3,1950.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0226/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[101.0,122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.4014242,47.6695247]}},{"type":"Feature","properties":{"resourceCoords":[700.0,122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3998007,47.6695292]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0227/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p227","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0227/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0227","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.8,929.0 86.8,715.0 110.8,715.4 90.5,120.4 709.0,108.3 709.1,101.9 1291.7,113.0 1299.8,728.5 1301.0,728.5 1297.5,1313.5 1212.4,1312.6 1248.5,1920.5 1199.1,1920.2 730.7,1913.2 680.1,1912.3 679.5,1965.0 176.7,1939.5 176.5,2014.3 155.3,2013.7 132.6,1349.8 115.0,1350.3 114.3,1300.0 130.8,1299.2 124.9,1124.9 89.8,929.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0227/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[698.0,724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.396542,47.6684267]}},{"type":"Feature","properties":{"resourceCoords":[1159.0,1920.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.395264,47.666264]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0228/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p228","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0228/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0228","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.7,1932.9 80.0,1325.3 165.0,1326.6 171.0,742.0 169.7,742.1 164.2,132.7 744.8,138.2 744.9,124.7 1257.5,157.0 1258.5,142.4 1329.2,145.0 1355.6,144.8 1291.8,333.5 1286.1,719.5 1372.5,1403.7 1357.7,1893.5 1281.9,1996.2 770.7,1914.4 772.0,1939.2 326.2,1935.0 113.7,1932.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0228/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[48.0,1928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39519999088881,47.666272023780984]}},{"type":"Feature","properties":{"resourceCoords":[153.0,740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.39496440676645,47.66843368489639]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0231/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p231","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0231/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0231","type":"ImageService3","width":1421,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"101.1,255.8 80.8,1848.1 102.5,1899.9 828.2,1898.7 826.0,1865.0 1319.8,1859.5 1327.0,1859.5 1370.5,174.5 1334.0,174.0 1333.5,226.3 834.4,202.3 834.4,276.6 813.4,276.0 810.6,199.5 1.0,193.6 1.0,243.8 101.1,255.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0231/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[826.0,1865.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3978983,47.6631669]}},{"type":"Feature","properties":{"resourceCoords":[1334.0,174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3965555,47.6662685]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0232/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p232","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0232/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0232","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"802.7,1871.7 572.3,1871.7 141.8,1879.0 93.3,1879.8 105.2,183.3 119.0,183.2 587.0,180.2 848.9,176.1 1294.5,169.0 1344.6,841.2 1282.5,1287.2 1345.9,1481.5 1328.0,1484.0 1330.0,1531.0 1361.5,1529.6 1366.9,1546.0 1325.6,1850.7 1171.0,1971.1 859.3,1927.0 802.7,1871.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0232/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1296.0,169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3932419,47.6662712]}},{"type":"Feature","properties":{"resourceCoords":[86.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3965569,47.6631843]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0234__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p234 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5628.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0234__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0234","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.5,169.6 107.1,169.6 74.2,1760.8 170.8,1919.0 448.7,1905.8 659.9,1764.6 1114.5,1159.5 1324.9,1145.9 1276.0,590.1 1338.7,185.2 1369.3,190.0 1313.0,133.0 1080.0,129.0 644.4,129.0 588.0,129.0 85.2,135.4 87.5,169.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0234__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[588.0,129.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3965569,47.6631843]}},{"type":"Feature","properties":{"resourceCoords":[1080.0,129.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3952441,47.6631901]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0235__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p235 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5684.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0235__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0235","type":"ImageService3","width":1421,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"210.2,1983.5 620.3,1987.2 914.4,1992.8 949.5,1991.0 1309.1,1995.1 1329.2,1523.3 1332.6,1523.3 1340.7,1027.9 1326.9,1027.8 1350.3,533.6 1345.0,533.6 1316.5,42.6 1130.0,41.5 1096.6,41.4 900.3,40.6 900.3,411.3 910.0,531.4 967.9,531.5 968.2,570.1 900.3,642.0 900.3,690.2 854.8,690.2 627.3,931.1 626.0,1020.0 75.7,1015.3 145.4,1507.2 114.7,1506.8 210.2,1983.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0235__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[626.0,1020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3734134,47.7077252]}},{"type":"Feature","properties":{"resourceCoords":[626.0,1513.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3734153,47.7068305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0236/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p236","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0236/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0236","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1300.8,2006.7 844.1,2002.3 788.7,2006.3 681.8,1995.5 412.5,1996.0 112.2,2000.5 83.7,1994.7 99.1,1528.2 102.4,1528.2 105.7,1038.6 92.0,1038.6 110.4,550.1 105.2,550.1 72.4,65.2 380.0,64.0 1331.6,62.9 1338.2,776.9 1344.2,1022.4 1348.5,1585.1 1354.2,1585.4 1325.0,1611.0 1323.0,1658.0 1349.3,1656.9 1352.4,1937.2 1352.5,1996.0 1352.5,2004.7 1300.8,2006.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0236/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[380.0,1039.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3707374,47.7077027]}},{"type":"Feature","properties":{"resourceCoords":[380.0,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3707079,47.7094931]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0237/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p237","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0237/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0237","type":"ImageService3","width":1423,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"84.2,1613.6 84.0,1042.0 79.6,792.5 78.2,67.3 765.9,75.8 1131.0,58.5 1119.8,72.8 1319.9,77.6 1321.8,566.4 1321.8,607.4 1321.0,928.6 1318.8,1467.6 1319.5,1499.6 1321.7,1918.6 1322.0,1965.0 775.2,1966.3 85.6,1971.3 84.5,1686.6 57.8,1687.5 59.1,1661.0 90.0,1661.0 90.0,1614.0 84.2,1613.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0237/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[84.0,1042.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3681056,47.7077136]}},{"type":"Feature","properties":{"resourceCoords":[1322.0,1965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3647893,47.7060363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0238/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p238","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0238/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0238","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"140.2,569.9 139.1,84.1 140.5,49.0 577.9,22.3 576.6,41.5 754.5,41.1 910.4,129.8 1236.6,121.7 1303.2,69.6 1377.7,217.8 1334.5,796.3 1372.4,1204.1 1283.8,1367.5 1323.9,1712.4 1324.0,1719.0 1324.6,1719.0 1351.8,1953.2 1299.9,1953.3 1306.2,1982.1 138.1,1980.1 136.2,1419.8 140.2,569.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0238/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[138.0,1046.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3647839,47.7076988]}},{"type":"Feature","properties":{"resourceCoords":[138.0,1960.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3647893,47.7060363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0239/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p239","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0239/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0239","type":"ImageService3","width":1423,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"147.0,988.4 174.6,988.6 190.6,499.3 136.2,499.7 230.7,20.0 256.0,20.0 270.0,17.8 633.2,17.4 833.5,17.7 921.0,20.0 955.4,17.9 1335.5,18.4 1321.6,497.8 1337.8,497.8 1366.0,986.9 1359.9,1966.3 1359.4,1966.3 157.1,1975.3 147.0,988.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0239/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[638.0,992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3734496,47.7041621]}},{"type":"Feature","properties":{"resourceCoords":[638.0,1972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3734802,47.7023444]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0240/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p240","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0240/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0240","type":"ImageService3","width":1407,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1362.3,1969.0 644.9,1976.0 396.3,1974.2 147.1,1975.5 152.7,992.2 124.1,501.2 107.9,501.2 121.5,25.7 165.0,26.0 165.2,25.0 272.1,23.3 273.0,28.0 300.0,28.0 305.0,23.0 381.0,28.0 418.0,25.0 420.0,21.0 687.7,20.3 692.0,26.0 735.4,25.1 741.4,25.7 748.0,29.0 794.0,31.0 849.0,27.0 861.0,31.0 887.5,27.4 937.6,27.8 1073.0,30.0 1088.7,29.1 1303.0,31.0 1299.0,34.0 1300.0,51.0 1323.0,51.0 1324.8,41.0 1354.4,29.0 1353.4,202.3 1357.4,493.4 1360.3,1423.1 1359.3,1722.5 1333.0,1723.0 1327.0,1738.0 1329.0,1775.0 1359.8,1774.1 1361.3,1923.2 1362.3,1969.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0240/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[880.0,987.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.36944617071366,47.704150028942976]}},{"type":"Feature","properties":{"resourceCoords":[880.0,1954.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.36947753071,47.70236349413697]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0241/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p241","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0241/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0241","type":"ImageService3","width":1423,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"874.2,2026.5 874.0,2026.0 722.0,2019.0 435.0,2019.0 351.4,2022.0 201.9,2021.5 81.4,2018.1 81.1,1869.3 49.8,1870.0 54.2,1817.2 81.0,1816.8 81.4,1784.0 83.0,1784.0 85.0,1734.0 81.9,1733.8 84.4,1512.2 88.9,566.1 87.2,269.9 89.7,84.8 90.0,25.3 776.6,20.4 1321.0,18.9 1321.3,54.1 1321.8,1041.7 1318.7,1260.7 1322.5,1511.6 1324.1,1959.0 1324.1,2018.6 1310.0,2018.0 1173.7,2024.2 1090.3,2024.0 1045.9,2026.0 984.0,2026.0 983.2,2028.8 945.6,2030.5 874.2,2026.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0241/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[780.0,1515.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.366265,47.7033238]}},{"type":"Feature","properties":{"resourceCoords":[780.0,516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3662544,47.7051377]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0242/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p242","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0242/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0242","type":"ImageService3","width":1424,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"155.1,48.0 1320.8,48.8 1352.0,190.2 1293.5,419.8 1377.8,1315.0 1379.5,1825.5 1313.2,1899.8 1313.5,1998.0 531.6,2011.5 494.0,2017.0 264.0,2016.0 202.0,2019.0 198.6,2021.2 188.3,2022.1 171.0,2020.0 168.1,2023.7 156.7,2024.6 156.7,1960.3 155.5,1514.7 151.8,1264.8 155.1,1046.6 155.2,63.0 155.1,48.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0242/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[544.0,1996.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.36375288006546,47.70244650699989]}},{"type":"Feature","properties":{"resourceCoords":[140.0,51.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.36483013365003,47.70599444805257]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0243/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p243","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0243/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0243","type":"ImageService3","width":1419,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.1,1495.1 18.9,1495.0 19.0,1129.0 20.0,1127.0 20.0,1109.0 19.0,1109.0 19.0,1036.6 109.3,1037.7 115.6,49.9 1343.2,57.0 1359.9,57.2 1331.4,1053.9 1299.2,1495.2 1308.0,1495.2 1319.4,1927.2 1303.9,1923.7 806.5,1974.7 71.7,1928.7 38.6,1929.2 32.1,1495.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0243/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[587.0,1497.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3735256,47.6997208]}},{"type":"Feature","properties":{"resourceCoords":[1098.0,55.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3721536,47.7023426]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0244/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p244","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0244/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0244","type":"ImageService3","width":1424,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"479.2,1991.2 105.8,1907.8 92.3,1481.3 83.7,1481.4 113.3,1045.5 136.6,61.2 370.8,62.0 620.4,66.0 1340.8,65.3 1343.8,279.2 1343.5,1049.7 1380.9,1048.8 1375.3,1477.8 1373.2,1966.1 947.4,1965.2 947.4,1968.2 479.2,1991.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0244/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[864.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3694577,47.7023285]}},{"type":"Feature","properties":{"resourceCoords":[362.0,1964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.370846,47.698837]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0245/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p245","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0245/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0245","type":"ImageService3","width":1419,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"72.6,14.8 91.0,14.9 114.0,19.0 187.0,20.0 209.8,15.3 305.9,15.6 321.0,19.0 345.0,19.0 347.8,15.7 351.4,15.8 352.0,21.0 451.0,20.0 451.2,16.1 511.9,16.3 531.0,17.0 531.0,16.3 602.8,16.6 737.0,22.0 738.0,17.0 939.0,24.0 1014.0,17.4 1084.0,17.6 1167.7,17.7 1318.5,16.6 1318.5,18.0 1321.1,540.7 1325.7,868.6 1319.4,998.5 1305.6,1120.3 1270.3,1347.4 1265.3,1927.9 1173.3,1996.0 176.5,1992.2 108.4,1992.6 110.0,1496.5 115.2,1060.7 77.2,1061.7 76.6,278.9 73.3,61.6 72.6,14.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0245/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[774.0,540.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3662736,47.7014534]}},{"type":"Feature","properties":{"resourceCoords":[77.0,540.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3681494,47.7014587]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0246__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p246 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5696.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0246__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0246","type":"ImageService3","width":1424,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1302.6,43.5 529.3,61.5 492.1,67.2 264.6,67.6 158.5,76.8 158.5,77.8 163.7,591.5 169.8,913.7 164.3,1041.4 151.3,1161.1 117.8,1384.5 115.8,1955.0 134.8,1940.8 164.5,1991.8 362.2,2004.6 603.3,1965.8 672.5,1533.2 676.5,1532.7 676.5,1532.4 678.4,1532.4 840.5,1509.7 883.9,1450.8 924.4,1077.1 927.5,1077.0 927.5,1076.0 970.5,1075.6 1253.5,1066.7 1216.5,1023.1 1274.9,1000.6 1272.7,759.1 1373.2,553.2 1303.3,122.0 1302.6,43.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0246__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[116.0,1528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3649557,47.6997228]}},{"type":"Feature","properties":{"resourceCoords":[158.0,1097.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3648297,47.7005164]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0246__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p246 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.80"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3710.0"},{"label":"split_canvas_y","value":"4286.8"},{"label":"split_canvas_w","value":"1986.0"},{"label":"split_canvas_h","value":"1924.8"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0246__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0246","type":"ImageService3","width":1424,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"927.5,1107.3 927.5,1108.4 935.6,1107.9 933.4,1550.2 1420.2,1544.6 1423.0,1415.2 1423.0,1101.8 1356.0,1102.7 927.5,1105.4 927.5,1107.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0246__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[927.5,1071.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-117.3692443470319,47.69889313140335]}},{"type":"Feature","properties":{"resourceCoords":[1424.0,1071.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-117.36789571325842,47.69888271047213]}},{"type":"Feature","properties":{"resourceCoords":[1424.0,1552.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-117.36791072398951,47.69800210776669]}},{"type":"Feature","properties":{"resourceCoords":[927.5,1552.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-117.36925935776299,47.698012528697916]}},{"type":"Feature","properties":{"resourceCoords":[1356.1,1102.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3680812,47.6988275]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0247/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p247","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0247/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0247","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1308.1,969.4 1325.8,1974.8 1246.2,1973.2 1117.0,1987.8 1029.9,1991.6 878.7,1991.0 650.4,1986.9 393.7,1984.5 143.4,1978.1 76.0,1977.7 85.5,1944.3 67.7,1541.2 34.7,1465.5 82.5,1244.0 77.5,1029.3 41.2,915.9 47.4,385.1 100.0,80.7 352.6,46.0 491.4,92.8 1333.6,102.8 1331.4,406.3 1332.5,406.3 1353.8,690.1 1302.8,689.1 1299.5,969.1 1308.1,969.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0247/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1055.0,683.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3666176,47.6889317]}},{"type":"Feature","properties":{"resourceCoords":[809.0,397.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3651109,47.6898251]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0248/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p248","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0248/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0248","type":"ImageService3","width":1425,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.8,92.3 1121.5,56.2 1121.5,47.7 1398.4,45.8 1398.4,96.2 1403.7,95.7 1399.5,195.1 1402.5,291.0 1402.0,291.0 1401.0,311.0 1403.2,312.3 1404.7,362.0 1404.0,362.0 1405.0,405.0 1406.1,405.1 1406.8,429.9 1406.0,430.0 1406.0,456.0 1407.7,456.1 1408.2,472.1 1399.6,495.1 1403.0,696.6 1407.0,697.5 1415.7,977.4 1424.0,1074.3 1424.0,1381.8 1404.7,1381.4 1380.9,1381.0 1377.4,1961.7 1340.4,1995.5 532.2,1941.5 162.1,1973.7 146.6,1919.9 145.3,1613.8 141.2,1103.5 125.4,1103.4 84.7,569.1 129.5,569.7 128.8,494.4 127.3,297.1 127.8,92.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0248/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[875.0,1097.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.36949105284138,47.68424729276617]}},{"type":"Feature","properties":{"resourceCoords":[657.0,1604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37068327990846,47.6824154254977]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0249/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p249","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0249/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0249","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"60.2,1975.9 38.2,1729.8 24.6,1700.3 28.6,1700.2 38.9,172.1 99.2,46.1 444.7,63.3 682.8,24.0 1307.1,31.9 1359.0,62.0 1359.7,102.9 1358.0,282.5 1357.1,282.5 1278.7,526.8 1308.5,770.6 1321.7,770.8 1285.9,1015.9 1248.1,1015.4 1246.6,1275.3 1243.3,1520.4 1375.2,1522.0 1373.7,1707.5 1378.0,1767.5 1407.0,1767.9 1407.0,1775.2 1407.0,1787.2 1372.7,1822.9 1372.5,1847.0 1349.8,1846.8 1235.0,1966.3 1234.0,2010.8 736.9,2002.5 267.0,1994.0 207.6,1979.5 102.3,1977.0 60.2,1975.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0249/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[746.0,1264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37607188091124,47.71042278025261]}},{"type":"Feature","properties":{"resourceCoords":[254.0,274.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37876068575004,47.7140025957078]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0250/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p250","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0250/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0250","type":"ImageService3","width":1425,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1373.8,1654.5 1373.9,1671.3 1374.3,1902.2 1128.2,1902.5 867.4,1904.6 867.3,1866.7 620.9,1834.3 620.9,1847.5 376.6,1880.9 130.3,1805.7 130.3,1804.8 62.0,1802.1 35.4,1242.8 71.0,530.0 39.6,321.4 86.3,78.5 314.1,91.8 720.5,40.2 1345.6,79.6 1360.2,299.6 1377.8,300.2 1375.8,400.3 1368.7,394.7 1378.0,577.3 1374.9,921.2 1373.8,1404.6 1373.8,1654.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0250/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[631.0,1802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37281265231901,47.71218870894048]}},{"type":"Feature","properties":{"resourceCoords":[619.0,925.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.36810091031434,47.71220826704216]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0251/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p251","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"49"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0251/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0251","type":"ImageService3","width":1419,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1199.9,1916.0 727.9,1937.7 611.3,1944.0 354.9,1955.4 22.8,1961.2 65.8,1927.3 36.5,1674.8 72.2,1265.5 36.4,492.6 81.4,235.6 75.9,87.2 105.2,73.0 350.9,46.2 350.4,120.1 350.2,138.5 797.1,279.1 1351.0,277.2 1351.0,524.0 1359.3,524.4 1333.4,891.2 1345.2,890.9 1343.8,1412.2 1332.0,1412.7 1349.5,1909.5 1343.8,1909.8 1199.9,1916.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0251/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[851.0,524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3823534,47.706031]}},{"type":"Feature","properties":{"resourceCoords":[1351.0,524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3823877,47.7042173]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0252/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p252","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"24"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0252/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0252","type":"ImageService3","width":1425,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"138.5,1499.2 139.4,1006.1 142.0,458.0 284.8,16.9 303.1,17.2 417.8,18.9 522.0,20.2 580.9,34.0 1046.1,37.1 1265.8,38.3 1301.1,281.7 1285.8,281.6 1333.9,517.4 1333.5,517.4 1283.8,760.9 1311.3,760.9 1301.5,1008.4 1287.6,1008.2 1289.3,1507.5 1289.3,1997.0 1164.3,1996.3 793.0,1993.0 669.6,1994.6 637.4,2006.0 367.4,2006.3 156.4,2000.9 132.9,1990.5 138.5,1499.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0252/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[296.0,1007.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3802045,47.7041998]}},{"type":"Feature","properties":{"resourceCoords":[793.0,1993.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3775213,47.7005767]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0253/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p253","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"30"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0253/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0253","type":"ImageService3","width":1419,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1342.7,1020.5 1350.3,1521.8 1344.9,1521.9 1307.3,2008.1 1231.2,2006.5 993.1,2008.8 756.6,2009.5 384.7,2012.8 198.3,2013.0 198.4,2000.0 124.3,2003.5 68.9,1940.2 35.2,1050.8 81.6,524.9 57.4,76.5 62.2,72.7 393.4,72.4 649.1,65.2 765.4,60.9 1236.2,47.0 1363.5,43.5 1390.2,311.1 1373.3,311.0 1319.4,522.2 1332.4,522.0 1333.8,1020.5 1342.7,1020.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0253/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[760.0,1031.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3952123,47.7065492]}},{"type":"Feature","properties":{"resourceCoords":[1002.0,528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.392487,47.7056753]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0254/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p254","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0254/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0254","type":"ImageService3","width":1425,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"249.3,34.5 622.9,30.3 860.4,29.1 1099.5,26.3 1150.6,27.2 1349.7,279.5 1346.4,527.1 1346.0,1010.2 1337.6,1010.2 1336.2,1959.2 1239.3,1992.5 740.5,2006.6 256.5,1998.5 115.1,1961.0 101.6,1056.7 57.4,744.0 62.1,35.1 249.3,34.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0254/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[497.0,1514.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40849457031892,47.70699618258541]}},{"type":"Feature","properties":{"resourceCoords":[1344.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40062049302907,47.70393503253478]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0255/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p255","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0255/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0255","type":"ImageService3","width":1419,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1272.0,1994.2 1077.3,1994.3 858.1,1992.6 648.2,2012.6 648.1,1998.5 413.6,1994.2 413.8,2007.3 178.5,1991.7 178.5,1995.7 77.7,1999.0 44.0,1714.2 60.3,1713.5 66.0,1713.2 47.5,1215.4 59.3,1214.8 59.7,692.5 47.9,692.8 73.2,325.2 64.8,324.8 64.4,77.5 563.8,73.4 1061.4,74.1 1061.4,76.7 1312.0,126.6 1312.2,143.2 1418.0,143.4 1418.0,166.6 1312.4,167.8 1314.8,662.5 1325.0,662.5 1351.0,1661.1 1266.5,1662.0 1272.0,1994.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0255/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[571.0,326.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38243374916372,47.70238506786515]}},{"type":"Feature","properties":{"resourceCoords":[845.0,1676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38971698415325,47.70146452328854]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0256__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p256 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5700.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0256__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0256","type":"ImageService3","width":1425,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1376.2,1489.1 1389.6,993.0 1397.5,992.9 1386.5,496.4 1376.7,496.5 1109.3,496.4 991.2,497.8 867.7,499.3 619.8,499.1 370.2,497.2 373.8,12.4 243.0,15.0 223.0,10.0 155.0,10.0 154.0,21.0 122.8,20.1 120.8,494.9 131.0,494.9 147.8,1489.9 63.6,1490.0 67.2,1988.6 67.2,1993.4 129.1,1993.3 188.8,1988.7 275.2,1987.6 695.7,1988.3 1114.8,1988.2 1322.5,1987.6 1318.0,1489.3 1376.2,1489.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0256__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[704.0,1986.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.3923720585568,47.69762009866721]}},{"type":"Feature","properties":{"resourceCoords":[372.0,1000.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.38703737537944,47.69880722804964]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0256__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p256 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1636.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4064.0"},{"label":"split_canvas_h","value":"1922.0"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0256__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0256","type":"ImageService3","width":1425,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1310.2,45.3 1256.0,60.6 947.8,59.6 433.8,60.0 430.8,317.4 432.4,450.0 946.0,451.0 1334.6,448.4 1333.6,443.6 1372.6,433.1 1366.5,430.1 1381.5,249.9 1359.1,96.1 1310.2,45.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0256__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[446.0,66.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37347329603216,47.6841982131396]}},{"type":"Feature","properties":{"resourceCoords":[1254.0,66.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37347185742827,47.68129044245978]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0257__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p257 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5656.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0257__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0257","type":"ImageService3","width":1414,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1408.0,846.2 1396.3,845.1 755.9,842.0 755.7,299.2 757.7,49.2 550.9,47.0 547.5,16.6 542.1,43.6 329.2,41.6 329.2,50.1 155.6,57.1 113.5,58.2 113.5,58.8 111.5,323.3 114.1,792.9 153.4,775.8 293.6,813.9 524.9,817.9 525.7,819.3 527.7,819.3 527.8,823.0 589.2,931.8 604.0,1257.8 573.6,1261.5 573.5,1356.3 611.5,1356.4 626.6,1390.5 626.3,1621.8 580.8,1625.5 584.2,1856.8 766.2,1906.3 891.3,1910.2 1058.3,1834.6 1293.4,1816.0 1396.9,1834.9 1396.1,1357.8 1396.3,854.9 1408.0,846.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0257__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[968.0,1352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40867496873042,47.699177085654846]}},{"type":"Feature","properties":{"resourceCoords":[1374.0,337.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40330708232842,47.697737347225754]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0257__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p257 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3203.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2452.4"},{"label":"split_canvas_h","value":"3277.2"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0257__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0257","type":"ImageService3","width":1414,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1363.0,47.4 1125.3,43.4 1125.3,42.2 888.2,50.3 886.8,303.9 890.2,796.5 1347.8,793.6 1369.1,784.1 1362.9,314.1 1363.0,47.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0257__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1125.4,321.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40327216112676,47.70307458301743]}},{"type":"Feature","properties":{"resourceCoords":[1125.4,794.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.40577078903709,47.703085229635256]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0257__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spokane, Washington | 1950 | sanborn09331_013 p257 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3277.2"},{"label":"split_canvas_w","value":"2185.2"},{"label":"split_canvas_h","value":"4874.8"}],"created":"2026-10-17T19:42:42Z","modified":"2026-10-17T19:42:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0257__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0257","type":"ImageService3","width":1414,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"522.0,1574.6 508.3,1558.6 482.4,827.5 264.8,834.8 264.9,841.4 35.1,845.5 35.6,926.7 36.6,1302.0 39.7,1426.6 51.7,1459.1 55.2,1731.9 52.2,1945.3 42.0,1969.1 42.1,1971.7 292.5,2021.1 292.6,2026.2 329.2,2027.0 456.2,2018.0 461.2,2025.0 501.2,2025.0 522.0,1574.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g09331195002:09331_02_1950-0257__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[274.1,1553.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37889573649205,47.69973088795658]}},{"type":"Feature","properties":{"resourceCoords":[58.0,1055.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-117.37619366017064,47.70048470558243]}}]}}]}