{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09209_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Kelso, Washington | 1923 | 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":"21"},{"label":"placed","value":"18"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 12, georef-snap 6"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p14__1 (tier 1, 46.13707,-122.91347 +/-156m); p15__2 (tier 1, 46.14673,-122.91736 +/-102m); p5__2 (tier 1, 46.14619,-122.90293 +/-145m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p10","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.4,1883.6 54.1,1691.2 11.7,684.5 82.0,218.0 68.9,173.9 100.8,13.8 352.5,16.4 1123.1,15.1 1503.0,13.1 1505.2,463.1 1498.0,906.8 1500.2,1346.9 1497.5,1841.0 1497.2,1894.3 1114.5,1866.0 1114.5,1868.9 736.4,1881.2 736.5,1873.5 359.0,1876.7 359.1,1873.3 33.4,1883.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[740.0,1349.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9124233,46.1389269]}},{"type":"Feature","properties":{"resourceCoords":[740.0,451.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9118386,46.1405462]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p11","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.2,449.9 19.9,898.8 27.0,1344.0 29.8,1843.8 30.1,1912.0 58.1,1912.0 208.2,1912.0 356.0,1870.6 421.1,1869.9 805.8,1865.0 806.0,1887.3 1177.0,1906.0 1176.5,1863.0 1584.4,1862.4 1590.1,1858.1 1611.4,1215.0 1598.2,671.9 1509.1,186.8 1526.0,106.4 1600.8,102.0 1441.7,45.0 1443.8,13.2 999.8,15.3 994.9,1.0 882.6,1.0 886.1,15.8 381.2,18.2 380.2,1.0 15.1,1.0 22.2,449.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[795.0,892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9081699,46.1390336]}},{"type":"Feature","properties":{"resourceCoords":[27.0,1344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9104435,46.1385877]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"413.9,52.5 413.9,56.0 794.0,47.7 794.0,55.5 1174.6,38.0 1174.7,35.1 1560.5,58.5 1561.0,122.1 1576.0,804.0 1577.6,1313.2 1583.5,1479.7 1585.5,1855.1 367.2,1898.0 65.0,1841.8 12.7,842.5 86.0,67.3 413.9,52.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[808.0,1493.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9137215,46.1353973]}},{"type":"Feature","properties":{"resourceCoords":[1576.0,804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9112751,46.1362645]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p13 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"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":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.7,1869.1 404.4,1860.4 404.4,1858.3 794.7,1873.2 794.7,1888.0 934.6,1816.9 950.0,933.5 951.5,926.6 1471.2,925.2 1496.6,630.8 1550.2,602.3 1509.3,498.8 1609.3,413.2 1599.0,188.3 1506.3,59.8 1577.4,7.0 1168.7,2.6 1168.5,45.6 797.0,22.3 797.1,1.0 342.3,1.0 197.6,39.6 19.2,37.4 18.8,87.2 23.9,773.7 17.9,1286.3 21.4,1454.0 17.8,1831.9 82.7,1869.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[406.0,770.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9102915,46.1361021]}},{"type":"Feature","properties":{"resourceCoords":[794.0,1458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9097345,46.1347064]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p13 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.24"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3806.0"},{"label":"split_canvas_y","value":"3706.4"},{"label":"split_canvas_w","value":"2646.0"},{"label":"split_canvas_h","value":"3945.6"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,980.0 1253.4,966.4 1253.4,968.4 951.5,976.5 985.3,1002.9 969.1,1889.7 1602.2,1864.6 1597.4,1012.1 1612.0,980.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[951.5,926.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.91176438778615,46.13437795084373]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,926.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.91001150360195,46.13407580665991]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.91065702624547,46.132252018858125]}},{"type":"Feature","properties":{"resourceCoords":[951.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-122.91240991042967,46.132554163041945]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p14 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.93"},{"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":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0014__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1591.1,1477.0 1559.8,1476.7 1559.2,1417.2 1605.5,1415.7 1600.2,981.1 1597.2,981.0 1599.4,493.2 1605.5,298.4 1612.0,296.4 1612.0,281.4 1605.0,283.4 1563.2,101.8 1475.0,33.2 895.7,144.8 720.0,123.2 714.8,47.5 633.1,31.1 337.2,50.0 300.6,114.0 134.7,128.4 198.7,504.6 384.8,515.0 454.2,515.0 454.2,518.9 457.4,519.0 465.8,1342.7 521.3,1659.5 576.1,1690.9 501.6,1842.4 454.2,1834.2 454.2,1879.1 820.0,1883.0 1206.0,1883.0 1599.0,1886.4 1591.1,1477.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[820.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9217556,46.1448852]}},{"type":"Feature","properties":{"resourceCoords":[1206.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.920782,46.1447013]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0015__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p15 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.72"},{"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":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0015__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"145.6,1860.3 414.8,1868.7 414.8,1846.8 817.9,1850.3 1174.5,1857.1 1174.1,1872.8 1601.7,1879.6 1588.1,1827.5 1611.6,933.2 1517.8,54.5 1045.4,19.0 789.8,86.0 712.3,167.1 773.8,435.5 768.9,440.7 382.4,587.6 321.5,558.0 382.7,617.9 62.9,701.8 62.8,716.5 56.3,718.4 48.5,910.5 41.6,1391.3 44.5,1391.4 45.6,1819.9 1.0,1821.0 1.0,1879.6 30.9,1880.2 145.6,1860.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0015__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1186.0,930.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9159295,46.1463776]}},{"type":"Feature","properties":{"resourceCoords":[1186.0,1388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9162376,46.1455637]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p16 [1]","metadata":[{"label":"streets","value":"4"},{"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":"2296.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5356.0"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13.5,1463.5 124.7,1818.7 245.2,1816.2 314.4,1903.4 520.1,1908.0 518.2,1817.7 1078.4,1816.7 1149.5,1911.0 1573.1,1909.3 1578.0,1203.7 1501.8,1035.0 1598.2,721.1 1568.1,610.6 1142.5,607.8 1142.7,592.1 787.8,588.6 386.6,588.7 386.8,610.6 118.8,604.6 4.8,625.5 12.4,1027.2 13.5,1463.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[390.0,1029.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9188235,46.144322]}},{"type":"Feature","properties":{"resourceCoords":[390.0,1478.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9191376,46.1435222]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0016__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p16 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"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":"2335.6"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0016__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"400.3,36.4 323.8,27.1 149.4,132.5 268.4,471.1 164.2,545.5 270.3,575.0 567.9,477.5 724.4,562.8 1190.8,514.5 1357.2,556.4 1594.3,470.7 1599.9,485.7 1575.5,30.5 1172.8,47.4 777.5,67.3 402.6,82.3 400.3,36.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0016__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[798.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.92168417336445,46.14491982951651]}},{"type":"Feature","properties":{"resourceCoords":[1180.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.92075872812524,46.144709724279906]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p2 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.93"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4357.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3294.8"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.4,1912.0 809.3,1912.0 809.7,1894.0 1544.0,1897.4 1598.0,1709.6 1535.1,1130.2 37.8,1143.8 32.4,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[803.0,1490.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9050437,46.1505325]}},{"type":"Feature","properties":{"resourceCoords":[1193.0,1490.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9040491,46.1503579]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p2 [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":"6452.0"},{"label":"split_canvas_h","value":"4357.2"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.5,982.7 69.3,982.8 80.2,1088.3 81.5,1088.3 118.2,1088.3 412.5,1062.6 412.1,1088.3 936.7,1088.3 1390.5,1088.3 1580.3,1078.2 1590.0,211.5 1567.2,41.3 1416.8,18.0 81.0,32.1 11.2,453.1 50.2,982.6 58.5,982.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1192.0,561.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9080132652454,46.15104377999959]}},{"type":"Feature","properties":{"resourceCoords":[802.0,123.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.90873109407761,46.15199286936329]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.5,246.2 14.1,403.1 12.0,1805.5 94.5,1890.3 85.6,1912.0 312.3,1912.0 927.8,1912.0 1577.8,1906.9 1576.4,1848.0 1567.7,1509.2 1569.9,1115.8 1564.0,1115.9 1566.1,343.4 1571.1,343.4 1565.9,83.4 1377.3,95.0 405.0,102.3 405.2,76.8 98.2,105.9 75.2,104.8 63.6,1.0 44.6,1.0 64.5,246.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1188.0,1129.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.90901408143485,46.14826786477342]}},{"type":"Feature","properties":{"resourceCoords":[1574.0,1888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.90852520827963,46.14673947635904]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p4","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"60.1,1140.8 58.0,1530.0 66.7,1865.3 67.9,1912.0 1496.7,1912.0 1578.5,1908.0 1581.1,1525.8 1597.0,1123.5 1579.7,755.5 1580.3,369.9 1578.1,120.2 1539.8,1.0 819.1,1.0 818.8,17.6 56.8,21.8 61.0,376.6 56.0,376.6 54.2,1141.0 60.1,1140.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[816.0,754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9058015,46.1484607]}},{"type":"Feature","properties":{"resourceCoords":[58.0,1530.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9082903,46.1474168]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.2,1883.0 663.4,1871.3 1176.5,1744.6 1350.2,1783.7 1313.7,1636.1 1414.2,1499.5 1441.0,1336.2 1107.5,1314.2 974.2,1227.8 973.3,348.1 894.5,240.7 775.1,270.2 728.0,140.2 566.6,120.4 521.1,57.0 57.4,111.9 50.4,92.5 50.0,341.4 45.3,726.0 58.7,1093.2 38.5,1494.2 31.9,1875.2 32.2,1883.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[48.0,1480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.90429836525718,46.146738049792454]}},{"type":"Feature","properties":{"resourceCoords":[48.0,723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.90381026196431,46.14810741292918]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p6","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"476.0,1779.5 142.3,1776.7 143.6,1704.2 51.5,1493.0 15.6,911.4 41.8,306.1 88.9,192.2 931.1,192.8 1581.1,188.3 1587.5,587.0 1588.8,975.5 1585.8,1186.7 1587.7,1313.6 1574.3,1421.5 1582.9,1600.5 1579.8,1751.2 1535.2,1746.9 812.2,1749.0 811.8,1764.7 474.5,1775.9 476.0,1779.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1196.0,978.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9100394,46.1454741]}},{"type":"Feature","properties":{"resourceCoords":[1196.0,191.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9095195,46.1468755]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p7","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.8,1656.1 50.1,1621.1 46.6,1620.8 46.3,1470.2 33.7,1291.4 44.6,1183.3 39.8,1056.5 38.0,845.3 27.9,457.0 12.5,58.6 12.0,47.0 1455.4,15.8 1538.0,10.0 1538.5,17.9 1516.3,19.0 1577.4,100.9 1598.5,636.0 1549.6,1518.5 1591.3,1666.8 1612.0,1666.3 1612.0,1858.2 473.7,1653.2 451.9,1710.0 54.2,1674.5 52.8,1656.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[430.0,1223.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9082983,46.1444349]}},{"type":"Feature","properties":{"resourceCoords":[806.0,1223.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9073376,46.1442476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p8","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"414.1,1785.3 130.2,1766.1 43.0,1509.0 73.5,208.1 406.1,212.7 404.6,209.1 741.0,199.8 741.5,184.1 1462.3,185.9 1510.2,190.8 1511.8,225.8 1514.5,281.5 1510.0,957.0 1506.2,1349.5 1509.5,1734.2 732.9,1736.1 479.2,1733.7 447.1,1895.2 414.1,1785.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1510.0,957.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9100525,46.1425491]}},{"type":"Feature","properties":{"resourceCoords":[1119.0,185.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9105612,46.1441056]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Kelso, Washington | 1923 | sanborn09209_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T11:53:39Z","modified":"2026-10-19T11:53:39Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"30.2,51.1 32.2,436.1 26.9,436.1 22.8,801.8 4.5,802.6 1.3,1308.2 17.2,1304.8 15.9,1417.0 1.0,1422.0 1.0,1867.0 128.1,1876.8 187.0,1809.0 292.4,1802.8 309.8,1784.6 326.1,1698.5 686.4,1653.9 1027.0,1530.8 1164.4,1595.0 1191.2,1702.0 1316.0,1686.0 1489.0,1801.9 1490.6,1618.6 1298.3,1611.9 1537.2,477.2 1480.9,453.6 1528.2,56.2 1490.7,58.0 811.5,52.6 416.9,48.4 30.2,51.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd428m:g4284m:g4284km:g4284km_g092091923:09209_1923-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[813.0,440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9090565562242,46.14237930693627]}},{"type":"Feature","properties":{"resourceCoords":[423.0,59.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-122.9102855353614,46.1418547704965]}}]}}]}