{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09342_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Sumas, Washington | 1932 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"10"},{"label":"placed","value":"7"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 6, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 49.00074,-122.26576 +/-100m); p1__3 (tier 1, 48.99878,-122.26402 +/-130m); p7__1 (tier 2, 48.99889,-122.26205 +/-455m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sumas, Washington | 1932 | sanborn09342_005 p2 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.60"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T16:11:27Z","modified":"2026-10-19T16:11:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1494.1,1838.5 1495.5,1431.5 1515.3,1308.3 1515.5,1144.9 1532.4,1116.5 1531.8,940.5 1507.7,940.9 1484.5,27.2 59.7,42.9 38.8,388.3 388.8,402.0 388.9,403.2 390.7,422.1 392.0,435.6 481.0,813.0 474.1,1288.0 264.2,1288.0 93.1,1291.8 34.5,1350.8 28.6,1813.7 76.0,1901.8 337.0,1900.9 337.6,1854.8 780.1,1912.0 823.2,1912.0 1084.0,1846.0 1084.1,1846.5 1494.1,1838.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[342.0,1374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.268212,48.9999857]}},{"type":"Feature","properties":{"resourceCoords":[1529.0,512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2648824,49.0015614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sumas, Washington | 1932 | sanborn09342_005 p2 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1608.0"},{"label":"split_canvas_w","value":"1896.4"},{"label":"split_canvas_h","value":"3544.0"}],"created":"2026-10-19T16:11:27Z","modified":"2026-10-19T16:11:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"84.1,1270.2 406.6,1268.7 441.1,1204.6 466.1,1204.3 394.6,462.2 13.6,417.0 13.4,506.0 23.0,837.0 23.0,1264.0 84.1,1270.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[23.0,837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2682178,48.9983009]}},{"type":"Feature","properties":{"resourceCoords":[23.0,1264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2682346,48.9974858]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sumas, Washington | 1932 | sanborn09342_005 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:11:27Z","modified":"2026-10-19T16:11:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1483.8,17.6 1578.2,61.9 1590.0,1751.6 1612.0,1751.3 1612.0,1818.4 844.4,1823.8 85.4,1815.6 90.5,1412.2 111.2,1290.2 112.8,1128.2 129.9,1100.2 130.8,925.8 107.0,925.9 92.3,20.1 1483.8,17.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1180.0,1354.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2619093,48.9999931]}},{"type":"Feature","properties":{"resourceCoords":[97.0,926.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.264974,49.0007739]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sumas, Washington | 1932 | sanborn09342_005 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.05"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:11:27Z","modified":"2026-10-19T16:11:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"260.6,27.0 1.0,94.1 1.0,948.2 19.4,948.1 43.4,1873.8 734.0,1892.5 723.7,1912.0 1580.2,1912.0 1577.5,1755.2 1572.7,1387.0 1575.0,999.0 1569.2,752.3 1569.2,346.6 1560.5,13.5 714.0,16.4 260.8,27.6 260.6,27.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[348.0,999.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2659389,48.9974993]}},{"type":"Feature","properties":{"resourceCoords":[1575.0,999.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.262833,48.9974824]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sumas, Washington | 1932 | sanborn09342_005 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:11:27Z","modified":"2026-10-19T16:11:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"83.1,1887.2 901.0,1885.0 1601.1,1870.7 1612.0,574.9 1612.0,518.1 1594.0,94.2 1543.0,42.4 867.8,51.0 867.6,118.6 93.9,122.2 96.8,423.2 90.6,789.8 92.2,1012.8 84.2,1363.3 83.0,1696.2 83.1,1847.3 1.0,1846.1 1.0,1858.7 83.1,1859.5 83.1,1874.7 83.1,1887.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[966.0,1014.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2603853,48.9974937]}},{"type":"Feature","properties":{"resourceCoords":[83.0,1636.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.262844,48.996337]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sumas, Washington | 1932 | sanborn09342_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:11:27Z","modified":"2026-10-19T16:11:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"818.4,14.7 818.3,1.0 52.5,1.0 26.5,49.4 43.2,1865.3 1574.4,1884.6 1608.0,410.4 1600.4,75.8 1578.2,37.2 1612.0,17.0 818.5,26.8 818.4,14.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[836.0,742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26279015742355,48.99452063933288]}},{"type":"Feature","properties":{"resourceCoords":[836.0,1668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.26279376454123,48.99276648882915]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sumas, Washington | 1932 | sanborn09342_005 p7 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.89"},{"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":"3474.4"},{"label":"split_canvas_h","value":"2015.2"}],"created":"2026-10-19T16:11:27Z","modified":"2026-10-19T16:11:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"833.6,62.0 400.8,62.0 65.3,71.7 20.0,71.6 23.4,326.1 44.8,314.4 75.8,493.0 842.2,489.8 833.6,62.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284sm:g4284sm_g093421932:09342_1932-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[400.8,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2682178,48.9983009]}},{"type":"Feature","properties":{"resourceCoords":[833.6,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.2682346,48.9974858]}}]}}]}