{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03094_008.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Topeka, Kansas | 1954 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"91"},{"label":"placed","value":"83"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 48, georef-snap 34, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 18 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 39.05471,-95.67323 +/-281m); p14__1 (tier 1, 39.05727,-95.66497 +/-272m); p25 (tier 1, 39.05370,-95.67518 +/-275m); p28__2 (tier 1, 39.04466,-95.64963 +/-100m); p43__1 (tier 1, 39.05712,-95.69156 +/-295m); p43__2 (tier 1, 39.05746,-95.68869 +/-100m); p60__2 (tier 1, 39.04445,-95.66585 +/-135m); p65__1 (tier 1, 39.04699,-95.68905 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0010","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1530.0,1752.7 1540.9,1029.5 1538.3,1029.5 1538.8,177.0 1263.7,170.4 950.8,163.3 875.5,156.9 699.2,162.8 639.4,90.3 543.0,126.0 301.3,73.5 21.4,140.2 25.6,330.8 17.4,332.1 1.0,1286.0 1.0,1770.0 236.6,1776.3 914.7,1791.0 1462.5,1804.3 1533.3,1807.5 1530.0,1752.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[324.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67515117855267,39.05839218194545]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67238598101422,39.05772375205225]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p11","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0011","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"565.5,1185.0 564.0,1010.0 561.5,1010.0 541.9,153.3 564.6,153.3 881.5,151.1 1114.0,156.7 1200.9,166.8 1201.3,495.6 1205.4,1008.3 1210.3,1055.7 1206.2,1442.6 1206.8,1741.2 1205.1,1788.4 1122.4,1790.7 628.5,1791.9 579.4,1792.2 574.7,1792.2 570.1,1737.0 565.5,1185.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67285684496757,39.059815238408426]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.66909210658149,39.058828681648755]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67065077727628,39.05523958895032]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67441551566236,39.05622614570999]}},{"type":"Feature","properties":{"resourceCoords":[564.0,1010.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6723474,39.0576879]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p12","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.48"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0012","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"499.3,1092.0 495.0,1045.3 497.4,541.4 501.1,218.3 594.7,210.3 1127.0,207.0 1127.2,299.6 1124.5,539.6 1122.2,736.9 1128.0,851.2 1138.2,1772.1 1098.2,1770.3 1098.9,1823.3 485.2,1808.4 487.2,1765.7 487.5,1741.4 490.4,1472.2 499.3,1092.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[485.0,1812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6714838,39.0559249]}},{"type":"Feature","properties":{"resourceCoords":[1127.0,207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.668777,39.0584557]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p13","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0013","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.3,1737.2 54.1,799.1 46.9,682.8 46.9,237.2 45.6,142.9 659.7,144.6 1275.1,143.7 1275.4,240.1 1628.9,242.1 1649.0,264.2 1649.0,1560.8 1298.2,1969.6 1298.6,1780.9 75.3,1737.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[661.0,1009.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.668037,39.056556]}},{"type":"Feature","properties":{"resourceCoords":[1279.0,1009.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6666277,39.0561885]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p14 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3948.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2651.2"},{"label":"split_canvas_h","value":"3748.0"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0014__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0014","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1071.0,117.0 1016.2,117.0 1015.0,171.7 1013.9,881.8 1069.5,882.9 1605.1,862.6 1579.7,204.4 1486.2,106.4 1543.1,72.2 1463.3,60.9 1413.2,138.4 1073.6,145.6 1071.0,117.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1016.2,117.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.656083,39.051899]}},{"type":"Feature","properties":{"resourceCoords":[1466.0,117.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.655055,39.051632]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p15","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0015","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,441.7 1.0,923.6 26.3,1357.7 36.3,1752.8 26.4,1752.6 7.6,1752.8 1.0,1813.0 1.0,1823.1 40.0,1860.7 44.1,2024.0 536.0,2024.0 537.0,2015.0 1387.2,2010.4 1628.5,1771.5 1628.3,1741.3 1626.2,966.5 1603.3,189.7 1118.0,188.0 841.5,189.6 592.0,190.5 592.5,206.7 1.0,441.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1118.0,1756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6610205,39.0516476]}},{"type":"Feature","properties":{"resourceCoords":[1118.0,188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.659812,39.054409]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p16","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0016","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"351.4,1752.1 110.7,1757.0 108.0,980.0 84.5,200.9 575.5,199.0 813.0,194.8 1276.8,193.9 1492.4,193.5 1567.5,976.9 1512.2,977.2 1511.3,1032.3 1514.2,1748.6 351.4,1752.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1050.0,1750.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.657723,39.0508186]}},{"type":"Feature","properties":{"resourceCoords":[108.0,980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6592596,39.0527337]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p17","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0017","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"90.9,1752.0 1022.6,1752.0 1330.9,1752.0 1641.7,1752.0 1649.0,1752.0 1649.0,620.4 1649.0,183.3 1637.3,183.4 701.0,190.2 329.6,189.8 1.0,187.7 1.0,302.3 64.8,306.6 121.6,1743.7 90.9,1752.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[708.0,1752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6869774,39.0569005]}},{"type":"Feature","properties":{"resourceCoords":[1326.0,186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6843765,39.0592886]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p18","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0018","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"237.1,1764.9 2.1,1764.2 1.1,1764.2 5.7,194.1 9.5,194.1 278.9,192.6 331.7,192.3 902.0,197.7 1587.0,196.3 1588.5,983.9 1588.0,1768.8 968.0,1767.0 237.1,1764.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[968.0,1767.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6826553,39.0557655]}},{"type":"Feature","properties":{"resourceCoords":[968.0,198.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6814642,39.0585269]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p19","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0019","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"80.0,1758.1 80.6,979.7 79.2,198.7 372.4,198.7 698.0,201.3 1000.6,199.2 1079.0,194.0 1243.9,192.7 1418.8,207.1 1553.4,204.8 1649.0,201.6 1649.0,1758.9 1585.8,1760.1 1418.3,1762.2 698.0,1760.0 80.0,1758.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[698.0,977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6792413,39.0564159]}},{"type":"Feature","properties":{"resourceCoords":[698.0,1760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6798405,39.0550262]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.58"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0002","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"675.5,1768.0 354.7,1769.3 277.4,1764.8 96.8,1775.7 33.5,1703.0 65.7,1690.2 36.0,1078.8 80.6,799.4 142.9,731.5 79.6,659.9 153.0,510.6 178.7,175.5 894.4,110.3 1341.7,237.6 1649.0,144.5 1649.0,505.5 1607.2,785.0 1601.5,989.2 1649.0,992.0 1649.0,1674.5 1629.4,1779.0 1540.7,1768.9 1303.8,1764.0 980.8,1767.2 675.5,1768.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[348.0,986.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6725062,39.0609367]}},{"type":"Feature","properties":{"resourceCoords":[1548.0,986.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6698228,39.0602266]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0020","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1283.8,1774.5 352.4,1773.6 57.5,1769.0 41.5,1769.3 38.3,212.6 39.3,212.6 48.4,212.2 289.6,212.9 970.8,211.8 1521.1,212.3 1592.2,213.9 1599.5,263.2 1596.7,746.0 1602.4,1775.7 1283.8,1774.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[986.0,1770.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67550854388094,39.05389697073949]}},{"type":"Feature","properties":{"resourceCoords":[369.0,1770.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67691825312598,39.05426600047849]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p21","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0021","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1193.5,1460.4 1177.2,1507.4 1175.4,1713.8 1170.8,1770.3 1086.0,1771.8 535.5,1768.7 535.5,725.2 541.1,235.9 534.0,186.0 588.4,186.1 1088.3,187.8 1172.0,186.0 1164.2,238.5 1179.7,905.8 1169.0,1170.7 1192.0,1269.0 1193.5,1460.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[534.0,186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6729249,39.0562952]}},{"type":"Feature","properties":{"resourceCoords":[1172.0,186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6714838,39.0559249]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p22","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0022","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1121.8,1283.6 1119.5,1389.4 1124.0,1602.9 1121.3,1688.2 1098.0,1725.8 1055.0,1754.8 970.9,1761.7 486.0,1760.0 490.5,1704.3 492.1,1501.0 508.1,1454.8 506.4,1266.3 483.7,1169.5 494.1,908.7 478.3,251.7 486.0,200.0 486.2,196.4 1108.7,206.6 1123.9,975.4 1112.1,974.5 1119.8,1063.0 1121.8,1283.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[486.0,1760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6726707,39.0531466]}},{"type":"Feature","properties":{"resourceCoords":[486.0,200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6714838,39.0559249]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p23","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.29"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0023","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"80.8,1523.3 87.7,1751.1 641.9,1740.9 641.9,1736.9 1218.1,1740.0 1218.2,1757.8 1533.0,1777.0 1528.7,976.0 1486.5,976.1 1475.2,976.2 1473.1,896.8 1649.0,388.4 1649.0,1.0 1578.9,1.0 1217.1,426.7 1216.6,253.0 52.4,217.1 73.9,977.7 70.8,1058.8 72.2,1141.0 74.3,1262.8 73.0,1360.7 77.9,1523.4 80.8,1523.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1210.0,977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6678012,39.0534242]}},{"type":"Feature","properties":{"resourceCoords":[63.0,977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6706371,39.0541756]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.61"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0024","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.2,1758.7 530.1,1773.4 670.5,1705.9 726.2,1668.2 795.2,1735.9 852.2,1751.5 1003.7,1753.6 1004.7,1677.9 1571.8,1992.8 1570.8,2024.0 1649.0,2024.0 1649.0,1083.8 1610.2,1044.4 1612.0,973.8 1619.7,973.9 1639.0,974.2 1649.0,974.6 1649.0,571.4 1630.3,1.0 218.4,1.0 210.6,293.6 1.0,851.1 1.0,942.3 2.5,942.4 12.5,942.6 37.7,943.2 59.4,943.7 42.2,1758.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[344.0,955.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.66638252824974,39.05304316913654]}},{"type":"Feature","properties":{"resourceCoords":[781.0,1736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.66594885855729,39.05144652336272]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p26","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0026","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"103.2,1820.4 341.7,1819.1 460.6,1810.6 525.1,1790.0 1547.0,1782.0 1560.8,1781.9 1494.3,161.2 1490.4,161.1 329.2,166.7 88.7,172.1 89.0,202.3 1.0,289.9 1.0,1735.0 28.8,1761.6 92.3,1760.7 103.2,1820.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1497.0,902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.657232,39.049238]}},{"type":"Feature","properties":{"resourceCoords":[563.0,166.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6587744,39.0510932]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p27","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0027","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"618.2,1887.2 146.5,1885.2 97.6,256.3 150.0,257.4 692.2,238.9 692.6,248.9 988.1,212.8 1198.5,81.8 1433.8,96.2 1429.2,75.3 1553.3,209.3 1583.7,242.0 1583.7,244.2 1583.6,253.2 1582.4,337.6 1583.0,1072.0 1564.0,1071.9 1514.4,1891.9 1133.0,1889.9 618.2,1887.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1583.0,1072.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.653916,39.048248]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.653341,39.0495994]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0028__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p28 [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":"6600.0"},{"label":"split_canvas_h","value":"8100.0"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0028__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0028","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"9.0,1614.5 64.1,1613.8 65.9,1755.7 175.8,1808.8 809.2,1833.2 1059.8,1797.2 1412.7,1799.9 1539.3,1740.0 1513.8,1180.0 1559.5,1063.0 1560.1,826.5 1516.3,539.7 1503.3,103.2 1349.7,39.8 1007.6,37.0 368.0,92.6 363.5,180.2 349.6,191.5 339.3,180.1 326.8,195.3 375.1,297.8 373.4,303.0 360.2,343.0 250.2,692.1 241.2,689.2 94.5,1071.6 96.4,1072.2 9.0,1614.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0028__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[709.0,838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.65173466591186,39.04768503042365]}},{"type":"Feature","properties":{"resourceCoords":[477.0,768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.65283789672574,39.0479558095306]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0029__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p29 [1]","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":"6600.0"},{"label":"split_canvas_h","value":"8100.0"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0029__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0029","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1576.3,228.0 1565.2,262.2 712.6,447.1 614.6,1042.2 429.3,1042.4 285.5,1125.7 286.1,1681.6 349.0,1854.2 1582.7,1888.0 1586.4,1138.6 1596.3,1138.7 1581.4,225.5 1576.3,228.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0029__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[730.0,1134.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69584604112114,39.057582657420596]}},{"type":"Feature","properties":{"resourceCoords":[1295.0,366.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69394442029406,39.05864959813566]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0029__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p29 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.34"},{"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":"2450.8"},{"label":"split_canvas_h","value":"4181.6"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0029__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0029","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"354.4,1021.8 355.6,904.0 504.1,906.5 463.0,104.2 448.1,65.6 76.5,118.8 46.4,482.1 124.2,935.6 187.5,1009.1 354.4,1021.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0029__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[-10.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6876125,39.0616548]}},{"type":"Feature","properties":{"resourceCoords":[447.8,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.686599,39.061397]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.42"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0003","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.6,171.4 49.7,540.6 6.4,826.2 1.0,1002.9 1.0,1034.8 48.6,1037.8 47.0,1735.2 26.7,1842.0 125.8,1832.2 690.0,1821.0 1329.0,1821.4 1633.0,1820.3 1630.0,1032.2 1613.7,1032.3 1649.0,280.5 1649.0,220.0 1542.2,258.2 1423.2,234.9 1244.4,81.3 821.3,49.9 179.8,76.4 154.0,140.7 51.6,171.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[690.0,1821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.668777,39.0584557]}},{"type":"Feature","properties":{"resourceCoords":[101.0,1041.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6694891,39.0601208]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0030","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"608.5,1878.3 77.2,1869.6 72.7,1121.0 82.6,1121.0 57.7,209.2 52.7,211.7 88.7,96.6 505.7,143.4 557.0,274.9 621.7,290.6 1527.0,308.3 1544.0,320.2 1551.2,823.2 1543.7,1209.8 1544.7,1920.1 1247.0,1914.6 943.2,1915.6 608.5,1914.0 608.5,1878.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[950.0,334.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6911796992834,39.05797129200551]}},{"type":"Feature","properties":{"resourceCoords":[1536.0,1115.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6904188176916,39.05619941686339]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p31","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0031","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1624.9,1807.3 1380.4,1808.0 1008.3,1805.3 705.7,1800.8 86.2,1799.5 87.2,1075.0 96.0,680.7 90.0,167.7 227.2,210.5 651.5,171.7 704.0,172.0 1626.8,178.4 1635.7,178.5 1635.2,990.0 1632.5,990.0 1628.5,1807.3 1624.9,1807.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1319.0,1807.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6882045,39.0539942]}},{"type":"Feature","properties":{"resourceCoords":[704.0,172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6883759,39.0572678]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0032","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"975.1,1768.4 885.8,1770.8 647.6,1770.7 282.6,1773.3 51.7,1774.9 47.9,968.6 50.6,968.5 43.3,167.9 335.9,167.1 639.6,166.3 877.2,165.7 1590.9,163.8 1601.6,962.4 1605.8,1765.8 975.1,1768.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[979.0,1787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.68535602669141,39.053220577404]}},{"type":"Feature","properties":{"resourceCoords":[362.0,154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6854948945471,39.05653740363481]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p33","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0033","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"853.0,1795.0 236.7,1794.4 235.2,974.2 227.0,159.1 844.9,159.6 1466.0,160.0 1469.9,1793.8 853.0,1795.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[853.0,1795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.682487,39.052506]}},{"type":"Feature","properties":{"resourceCoords":[1466.0,160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6798405,39.0550262]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p34","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0034","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1134.5,1809.3 1069.3,1809.1 808.2,1807.8 473.9,1809.3 169.7,1806.5 170.0,174.0 893.4,176.3 1061.6,174.3 1141.2,172.8 1437.3,178.1 1437.3,1076.2 1439.5,1809.9 1134.5,1809.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[807.0,988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6790105,39.0532108]}},{"type":"Feature","properties":{"resourceCoords":[170.0,174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6798405,39.0550262]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p35","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0035","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"217.8,1053.3 222.0,158.0 1154.8,165.3 1473.9,168.7 1474.0,975.2 1470.3,1736.9 1468.8,1793.3 216.6,1784.7 217.8,1053.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[842.0,1789.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6767699,39.0510107]}},{"type":"Feature","properties":{"resourceCoords":[222.0,158.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.676959,39.0542695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p36","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0036","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"489.0,1780.7 489.9,1723.4 484.4,950.3 474.6,131.8 1026.8,128.9 1111.9,126.7 1088.1,172.0 1093.7,629.7 1114.5,664.5 1119.5,1219.3 1143.3,1323.0 1138.9,1454.5 1121.7,1480.0 1124.7,1777.5 489.0,1780.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[483.0,957.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67472008655449,39.05207527269473]}},{"type":"Feature","properties":{"resourceCoords":[1133.0,957.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67326166324773,39.051687165858745]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p37","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.65"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0037","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1147.5,1825.5 1150.3,1011.5 1184.6,1011.6 1170.5,1.0 1166.1,1.0 1166.8,37.7 1163.8,123.3 1140.3,161.1 1097.0,190.1 1012.5,196.8 525.4,193.7 501.4,238.1 501.1,689.4 521.2,724.0 519.2,1271.1 541.4,1373.7 535.5,1503.3 518.1,1528.2 517.4,1821.5 1147.5,1825.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0037/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.6737258,39.0537967]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.6699553,39.0528346]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.6714757,39.049240999999995]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.6752462,39.0502031]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p38","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0038","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.6,976.3 62.6,976.5 52.3,219.3 648.7,215.3 648.8,211.0 1268.7,221.6 1268.5,240.8 1607.0,265.4 1602.5,982.5 1579.5,982.8 1571.5,1795.4 1527.3,1795.3 1253.0,1794.0 1253.0,1785.7 634.4,1777.7 633.7,1880.5 584.1,1845.2 538.5,1843.0 558.7,1776.7 506.3,1744.5 172.9,1751.0 96.4,1757.5 25.6,1782.8 28.6,976.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0038/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[638.0,980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6704538,39.0509661]}},{"type":"Feature","properties":{"resourceCoords":[1253.0,1794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6696514,39.0491463]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p39","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.71"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0039","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1014.0,1802.0 286.3,1807.4 131.8,1809.7 126.5,984.6 149.8,984.0 141.7,181.3 621.0,180.7 756.6,110.2 810.2,71.5 880.0,135.8 936.5,149.3 1085.1,146.8 1083.8,72.4 1649.0,363.6 1649.0,1742.1 1014.5,1842.9 1014.0,1802.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[419.0,986.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6676241,39.0502273]}},{"type":"Feature","properties":{"resourceCoords":[1014.0,1802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6669184,39.0484337]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p4","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.60"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0004","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"732.8,1899.2 732.7,2024.0 1243.9,2024.0 1370.7,1874.0 1550.0,1872.5 1541.9,1838.6 1438.0,1.0 1415.2,1.0 1405.0,45.9 1345.3,73.6 343.9,125.8 52.9,229.0 13.9,1015.1 29.6,1015.1 30.6,1777.0 355.7,1776.7 355.9,1873.6 711.5,1875.9 732.8,1899.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[974.0,1014.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6639923,39.0587009]}},{"type":"Feature","properties":{"resourceCoords":[356.0,1014.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6653935,39.0590657]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p40","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0040","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.7,819.9 8.2,1695.9 4.0,1696.0 6.1,1894.5 68.6,1873.3 425.7,1912.8 679.4,1827.0 1230.8,1831.3 1573.7,1738.2 1598.5,1739.7 1598.3,1679.5 1579.1,1463.2 1575.3,880.1 1582.2,783.1 1577.8,714.0 1560.1,668.4 1511.3,625.2 1469.7,592.1 1505.7,549.2 1550.2,441.6 1580.3,328.8 1599.2,147.8 1590.2,93.0 1579.7,33.5 1516.3,34.2 1482.0,1.0 1.0,1.0 1.0,820.0 1.7,819.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0040/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[572.0,327.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.66359218035643,39.04865900838644]}},{"type":"Feature","properties":{"resourceCoords":[1576.0,1718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.66237995868552,39.0456025776744]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p41","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0041","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.0,1813.3 944.1,1864.4 1564.8,1778.4 1560.4,953.0 1560.7,134.9 541.8,137.2 477.3,157.3 358.7,165.2 120.9,165.1 129.8,219.9 110.5,401.1 80.1,514.0 35.3,621.5 1.0,663.8 1.0,665.8 40.8,697.6 89.6,740.9 107.2,786.6 111.5,855.9 104.4,952.9 107.0,1536.5 125.9,1753.1 126.0,1813.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0041/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[602.0,137.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6599818,39.0482275]}},{"type":"Feature","properties":{"resourceCoords":[1565.0,1809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.659071,39.044704]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p42","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"22"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0042","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"93.8,977.2 90.5,156.6 574.0,154.0 1086.4,151.8 1470.2,150.1 1640.6,1233.7 1559.0,1261.5 1572.8,1594.5 1529.5,1647.7 922.2,1870.2 131.7,1848.2 101.8,1805.2 93.8,977.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0042/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1056.0,971.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.656245,39.045652]}},{"type":"Feature","properties":{"resourceCoords":[574.0,154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.656705,39.0473767]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0043__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p43 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.02"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5830.8"},{"label":"split_canvas_w","value":"1518.4"},{"label":"split_canvas_h","value":"1280.4"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0043__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0043","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"309.1,1483.3 187.8,1503.7 18.5,1458.0 18.5,1458.0 9.4,1559.3 1.0,1562.8 1.0,1564.1 189.8,1725.1 378.6,1673.5 378.6,1671.4 370.9,1645.9 357.9,1650.7 309.1,1483.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0043__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[315.7,1521.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6956452,39.051122]}},{"type":"Feature","properties":{"resourceCoords":[315.7,2186.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6968109,39.048383]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p44","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0044","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1561.9,1818.0 976.2,1723.9 977.1,1650.8 673.2,1644.5 86.2,1643.5 58.4,1569.3 61.1,90.8 387.0,92.4 682.8,91.6 972.6,97.1 1564.0,97.0 1560.7,585.0 1560.5,871.1 1564.0,1648.0 1561.9,1818.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1564.0,97.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6896064,39.0543662]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,1648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.690846,39.051475]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p45","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0045","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.0,979.6 67.8,676.6 69.0,159.9 374.9,162.4 751.1,162.7 998.2,160.2 1238.4,159.3 1612.4,157.6 1616.6,157.6 1621.7,978.1 1620.2,1799.7 1430.7,1800.0 755.1,1801.1 403.9,1799.7 76.4,1802.2 69.0,979.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0045/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[689.0,1801.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6894585,39.0511131]}},{"type":"Feature","properties":{"resourceCoords":[689.0,162.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6882045,39.0539942]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p46","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0046","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1600.2,1831.6 1600.4,1927.6 365.6,1740.7 365.7,1778.2 279.0,1778.2 41.9,1778.4 43.7,977.2 39.2,177.0 273.1,177.9 362.3,175.8 992.5,175.3 1595.7,175.9 1592.5,682.0 1596.7,975.4 1600.1,1780.1 1600.2,1831.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[998.0,174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.68387309421783,39.05287300556528]}},{"type":"Feature","properties":{"resourceCoords":[998.0,988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.68451069107783,39.0514053984806]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0047/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p47","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0047/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0047","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.6,968.9 41.0,671.2 45.5,157.8 658.0,158.0 960.3,160.7 1292.5,159.2 1552.0,160.4 1611.0,160.6 1625.3,974.9 1615.0,974.7 1611.2,1785.5 1581.3,1784.9 1208.9,1783.9 720.6,1787.9 46.1,1785.2 44.6,968.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0047/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[658.0,1788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.682334,39.0492418]}},{"type":"Feature","properties":{"resourceCoords":[658.0,158.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6810843,39.0521409]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p48","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0048","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1571.3,1660.2 342.5,1762.4 287.4,1756.7 44.0,1757.2 37.5,1757.0 43.2,955.8 53.5,955.9 41.3,151.1 46.8,151.2 346.4,152.4 1580.0,157.8 1581.1,206.1 1581.6,874.3 1573.0,1042.8 1570.2,1254.1 1571.3,1660.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0048/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[972.0,161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67675248909941,39.05099443111027]}},{"type":"Feature","properties":{"resourceCoords":[353.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67944745280482,39.04841979916629]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p49","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0049","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"576.9,1276.1 577.8,1061.7 585.0,890.7 578.6,212.9 577.0,164.0 1202.8,161.2 1202.0,476.0 1222.3,502.4 1227.5,621.1 1206.2,652.8 1211.0,890.3 1206.9,1056.2 1210.4,1309.5 1188.8,1344.1 1192.2,1466.5 1212.6,1501.0 1222.0,1789.0 582.7,1789.6 576.9,1276.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0049/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[577.0,164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67534,39.0506364]}},{"type":"Feature","properties":{"resourceCoords":[1222.0,1789.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6751361,39.0473692]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.43"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0005","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.8,1450.3 1.0,1513.9 1.0,2010.8 109.2,2024.0 490.4,2024.0 489.3,1943.5 777.5,1824.2 777.2,1816.3 797.5,1815.9 899.3,1814.1 1034.6,1811.4 1272.1,1808.9 1511.6,1804.7 1605.5,1801.8 1546.2,1334.8 1504.1,1335.9 1496.1,939.1 1454.0,606.2 1475.6,606.0 1490.8,606.0 1485.7,434.2 1483.3,411.3 1649.0,352.3 1649.0,310.9 1570.0,341.3 1498.9,99.1 974.6,97.2 799.9,61.5 453.2,124.5 223.6,93.2 114.4,135.8 96.2,349.4 57.9,534.4 68.9,534.2 136.2,1431.5 140.4,1447.9 90.9,1449.2 52.8,1450.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1498.0,594.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.65567812677908,39.0581776790066]}},{"type":"Feature","properties":{"resourceCoords":[1272.0,594.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.65672023444465,39.05846555636089]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p50","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0050","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"477.6,1495.5 457.4,1460.7 455.1,1337.8 477.0,1303.2 475.8,1048.8 481.2,882.3 478.4,643.7 500.1,612.2 495.9,492.9 475.8,466.2 479.3,150.2 1111.0,152.0 1111.0,1265.3 1114.2,1787.5 806.5,1788.0 484.6,1784.8 477.6,1495.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1111.0,970.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6730934,39.0484417]}},{"type":"Feature","properties":{"resourceCoords":[1111.0,152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6724744,39.049888]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0051","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.5,1275.8 57.2,178.8 127.3,152.1 203.6,144.0 535.8,130.8 588.7,161.8 570.0,228.3 615.4,229.6 665.6,263.8 664.2,161.3 1281.2,156.6 1281.3,164.9 1554.8,160.7 1600.3,159.8 1613.5,963.8 1607.6,963.9 1621.8,1767.5 1614.2,1767.7 1305.0,1771.3 1305.5,1796.6 688.7,1766.4 689.0,1781.6 87.3,1790.3 75.5,1275.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0051/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[680.0,964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67167697404979,39.0480973138169]}},{"type":"Feature","properties":{"resourceCoords":[1298.0,146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.66959782451724,39.04916959769397]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p52","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0052","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"53.7,1796.8 54.5,979.0 60.5,979.0 62.5,160.8 215.5,160.8 942.8,165.9 942.6,206.8 1649.0,105.2 1649.0,984.1 1644.7,984.1 1645.3,1183.3 1591.0,1201.2 1555.2,1671.8 1486.0,1786.4 1517.8,1859.1 945.5,1830.1 945.6,1805.0 639.6,1804.4 352.0,1797.0 53.7,1796.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0052/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[947.0,982.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6675209,39.0469914]}},{"type":"Feature","properties":{"resourceCoords":[352.0,1797.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.669484,39.0459]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p53","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0053","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1298.8,1747.4 1548.2,1705.5 1624.7,1704.7 1620.3,983.4 1614.9,843.4 1615.6,598.3 1616.6,264.8 1002.8,172.1 1003.0,95.5 684.9,91.9 70.5,96.6 110.5,200.3 68.9,1141.5 1.0,1167.9 1.0,1720.2 1294.4,1707.9 1298.8,1747.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0053/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[396.0,897.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6942737251051,39.05078094429078]}},{"type":"Feature","properties":{"resourceCoords":[396.0,96.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6936450338459,39.05220312692644]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p54","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0054/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0054","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"39.9,986.0 35.2,845.8 37.2,600.5 41.3,88.6 365.3,86.3 712.8,87.8 1381.2,86.9 1568.8,86.8 1577.5,86.8 1593.6,899.0 1575.3,899.0 1606.0,1878.0 1389.6,1951.2 1345.5,1966.6 1326.0,1913.8 1301.8,1848.4 708.3,1705.0 40.6,1708.0 39.9,986.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0054/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[646.0,894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69008452160087,39.04968111410451]}},{"type":"Feature","properties":{"resourceCoords":[63.0,1716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69205345266573,39.048570164948536]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p55","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0055/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0055","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.5,1940.7 89.8,970.5 107.9,970.5 92.6,165.7 322.3,165.7 409.4,165.7 409.4,128.0 1649.0,316.2 1649.0,465.7 1649.0,1774.0 1582.3,1773.9 977.3,1775.7 625.3,1773.9 566.8,1783.2 165.8,1925.1 119.5,1940.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0055/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1056.0,1785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.68636398106943,39.0470701564063]}},{"type":"Feature","properties":{"resourceCoords":[428.0,962.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.68717424909886,39.04892574738906]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p56","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0056","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"23.1,309.0 24.1,309.1 25.1,211.5 25.2,159.0 702.6,163.1 1193.0,160.1 1567.0,161.8 1590.3,162.3 1583.5,977.4 1596.4,1779.7 1278.8,1830.3 1278.8,1796.6 1185.1,1792.8 638.0,1788.0 18.8,1786.3 17.3,1786.3 23.1,309.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0056/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[638.0,974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6829531,39.0478056]}},{"type":"Feature","properties":{"resourceCoords":[638.0,1788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6835707,39.046363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p57","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0057","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.0,1066.8 90.7,266.6 103.6,267.0 346.5,268.8 401.5,275.0 1628.6,184.6 1627.9,284.6 1616.5,1012.2 1620.0,1615.0 1620.8,1875.8 385.4,1885.7 385.5,1881.5 385.6,1876.0 81.0,1857.7 76.0,1066.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0057/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[402.0,255.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67942965501534,39.0485225583552]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1069.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67721673152316,39.04634369968631]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p58","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0058","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"185.6,1621.8 173.0,1008.2 173.6,267.4 814.0,269.0 1135.1,270.5 1442.1,268.5 1450.7,1083.9 1455.4,1906.5 818.9,1903.8 190.7,1899.8 185.6,1621.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0058/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[814.0,1084.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6757638,39.045927]}},{"type":"Feature","properties":{"resourceCoords":[814.0,269.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6751361,39.0473692]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p59","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0059","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.8,907.1 102.0,112.0 695.9,120.5 696.0,105.5 1303.6,152.9 1303.8,127.9 1609.0,133.2 1634.6,133.4 1621.0,930.3 1629.1,930.5 1612.1,1778.4 1264.9,1745.9 1231.7,1721.1 982.6,1718.2 966.1,1718.0 795.4,1716.0 378.3,1707.7 87.5,1709.1 96.8,907.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0059/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1309.0,924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6714768,39.0448098]}},{"type":"Feature","properties":{"resourceCoords":[102.0,112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6737047,39.0469944]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p6","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0006","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1535.7,1905.4 1528.3,1926.8 1059.8,1813.0 1045.5,1853.7 662.8,1716.5 328.8,1635.4 336.5,1614.5 342.0,1600.0 175.8,1542.2 153.0,1536.2 156.9,1356.0 117.3,1340.9 114.0,136.6 136.7,97.0 941.9,31.6 1541.5,52.4 1577.2,82.3 1583.5,286.1 1611.8,319.4 1549.6,1307.2 1558.4,1561.9 1649.0,1585.5 1649.0,1588.9 1649.0,1594.0 1615.0,1687.5 1535.7,1905.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1577.0,1792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.656515,39.053547]}},{"type":"Feature","properties":{"resourceCoords":[342.0,1600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6557309,39.058144]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0060__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p60 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"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":"6600.0"},{"label":"split_canvas_h","value":"8100.0"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0060__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0060","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"72.2,1904.0 359.8,1885.8 774.3,1741.3 795.3,1579.1 1277.2,1116.7 1566.2,923.1 1604.9,367.2 1507.0,152.6 929.9,132.8 929.6,107.5 621.2,112.0 331.4,109.3 49.6,113.7 57.4,941.8 65.9,941.7 72.2,1904.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0060__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[946.0,122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.66811591220319,39.04550488297243]}},{"type":"Feature","properties":{"resourceCoords":[344.0,919.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67008818231677,39.044482411746316]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0061","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1649.0,1674.6 1577.0,1675.0 1574.4,1682.8 1524.4,1843.2 1088.2,1868.0 606.4,1866.6 606.4,1869.7 362.6,1872.3 126.8,1825.9 128.0,2010.0 108.7,2010.0 68.6,1132.0 108.0,124.7 172.6,74.1 791.1,50.2 1326.8,82.5 1649.0,610.0 1649.0,1277.0 1649.0,1454.3 1631.2,1508.7 1632.9,1674.7 1649.0,1674.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0061/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1562.0,1776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69684171700945,39.0482082792353]}},{"type":"Feature","properties":{"resourceCoords":[127.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.7002915859817,39.05138374907369]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0062__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p62 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4718.4"},{"label":"split_canvas_w","value":"6600.0"},{"label":"split_canvas_h","value":"3381.6"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0062__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0062","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"295.1,1936.5 1004.9,1928.5 1004.8,1871.2 1647.4,1872.9 1647.2,1867.2 1645.0,1798.1 1131.5,1478.0 502.6,1272.3 430.8,1248.8 182.7,1209.0 21.7,1940.9 39.6,1940.5 295.1,1936.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0062__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[504.0,1273.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69209508717272,39.04859563963276]}},{"type":"Feature","properties":{"resourceCoords":[1581.0,1892.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.68947793708644,39.04741439050081]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0062__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p62 [2]","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":"6600.0"},{"label":"split_canvas_h","value":"5764.0"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0062__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0062","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"172.2,1207.3 342.4,1234.7 1161.3,1240.5 1399.2,1237.5 1578.5,462.4 353.1,46.4 368.9,1.0 22.6,1.0 18.3,443.6 1.0,494.8 1.0,663.5 72.2,663.9 172.2,1207.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0062__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[722.0,171.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69493133235214,39.04933081829108]}},{"type":"Feature","properties":{"resourceCoords":[178.0,5.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69624902440827,39.049636279978834]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p63","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0063","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"102.3,1694.6 90.2,312.6 81.2,312.3 79.4,137.1 421.2,135.6 416.1,109.3 586.0,134.9 1402.6,132.6 1649.0,127.0 1649.0,1821.7 1585.0,1821.5 1348.3,1804.2 934.2,1808.0 692.9,1813.1 138.6,1820.0 120.8,1770.7 103.8,1711.3 102.3,1694.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0063/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[714.0,940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69553079555166,39.0458123000824]}},{"type":"Feature","properties":{"resourceCoords":[714.0,127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6955230655578,39.04734331145062]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p64","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0064","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1595.9,1816.1 1597.1,1330.1 1601.1,583.7 1604.3,254.6 1649.0,127.5 1649.0,125.2 1606.0,125.1 1605.2,75.0 960.6,62.8 959.9,120.3 247.9,116.9 5.0,116.8 1.0,466.7 1.0,1808.8 308.8,1809.9 1595.9,1816.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[965.0,920.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69084775145217,39.045842310683945]}},{"type":"Feature","properties":{"resourceCoords":[965.0,112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69086992085829,39.04736663669311]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0065__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p65 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.66"},{"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":"6600.0"},{"label":"split_canvas_h","value":"8100.0"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0065__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0065","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"532.3,1802.3 739.9,1731.1 835.6,2013.2 840.8,2013.2 748.8,1728.0 917.9,1669.5 1137.6,1624.3 1590.7,1468.8 1649.0,1448.1 1643.3,1418.0 1638.9,1250.4 1635.0,812.1 1631.8,93.2 1568.2,93.2 1003.2,96.0 674.5,94.9 619.9,103.7 245.7,236.9 2.3,319.4 1.0,319.9 1.0,450.9 98.8,738.0 325.7,1394.7 474.6,1821.8 532.3,1802.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0065__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1063.0,816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6869939,39.0457133]}},{"type":"Feature","properties":{"resourceCoords":[204.0,1043.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6893072,39.0458363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0066__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p66 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"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":"6600.0"},{"label":"split_canvas_h","value":"6410.8"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0066__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0066","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"955.5,1190.8 955.5,1190.6 1061.6,1173.8 1287.2,1141.2 1288.1,1141.0 1422.6,1098.5 1405.5,1001.5 1399.7,873.5 1559.1,819.9 1477.9,819.9 1398.0,819.8 1395.9,775.0 1397.0,95.2 1397.1,47.6 1303.0,43.7 753.2,38.3 130.9,36.0 129.0,819.9 130.1,1297.7 133.7,1480.5 144.2,1511.7 756.8,1307.0 826.0,1284.6 955.5,1243.8 955.5,1190.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0066__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[129.0,819.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.685577,39.0453487]}},{"type":"Feature","properties":{"resourceCoords":[1398.0,819.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6826942,39.0446069]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0066__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p66 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.58"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3822.0"},{"label":"split_canvas_y","value":"4356.0"},{"label":"split_canvas_w","value":"2778.0"},{"label":"split_canvas_h","value":"3744.0"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0066__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0066","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1590.2,1333.0 1588.9,1162.8 1588.8,1157.4 1290.8,1145.5 1290.8,1142.7 986.5,1194.5 986.6,1207.7 993.0,1857.5 995.5,1900.3 1071.8,1899.5 1540.1,1894.2 1594.9,1893.5 1590.2,1333.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0066__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1008.5,1886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.68265176312104,39.04462507989628]}},{"type":"Feature","properties":{"resourceCoords":[1008.5,1155.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.68205622342786,39.04596918929041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0066__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p66 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.55"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6381.6"},{"label":"split_canvas_w","value":"3822.0"},{"label":"split_canvas_h","value":"1718.4"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0066__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0066","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.8,1772.5 49.0,1931.5 234.7,1929.5 261.6,1829.5 629.4,1821.7 657.6,1981.5 745.8,1985.8 746.0,1895.0 923.2,1896.6 869.8,1602.0 864.8,1602.0 803.7,1601.5 802.3,1605.5 775.4,1688.0 550.1,1697.9 301.4,1694.0 301.4,1695.5 175.6,1695.3 54.1,1669.8 53.5,1764.8 43.5,1764.7 43.8,1772.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0066__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[300.9,1775.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6991492,39.0477498]}},{"type":"Feature","properties":{"resourceCoords":[747.6,1775.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6970595,39.0477645]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p67","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0067","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"492.0,1735.0 258.8,1019.7 234.9,958.5 237.8,373.9 238.6,200.6 1498.9,181.4 1499.0,194.0 1502.0,470.1 1482.5,559.6 1492.0,878.0 1492.7,985.2 1485.8,1403.7 492.0,1735.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[492.0,1735.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6812658,39.042715]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,194.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6778124,39.0448561]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p68","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0068","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"812.0,1760.0 247.9,1765.5 196.2,1603.3 178.3,1509.5 173.1,1421.4 177.2,1000.0 175.8,892.2 164.1,571.6 183.1,481.4 178.3,203.4 812.0,208.0 1454.2,211.4 1457.8,414.1 1459.7,939.9 1454.4,1000.6 1449.8,1759.5 812.0,1760.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0068/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[812.0,1760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6775653,39.0417501]}},{"type":"Feature","properties":{"resourceCoords":[812.0,208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6763841,39.0444735]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p69","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0069/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0069","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.0,1749.8 69.2,995.0 74.5,934.6 72.3,411.6 68.5,210.0 367.7,203.5 797.0,204.9 989.7,203.9 1246.0,202.6 1280.6,227.5 1638.5,255.0 1638.2,335.4 1600.2,337.4 1619.1,1707.7 1480.0,1907.5 1128.5,1880.5 748.9,1749.0 65.0,1749.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0069/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[684.0,988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67413437482246,39.04234924369152]}},{"type":"Feature","properties":{"resourceCoords":[98.0,1754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67605230256592,39.04134701099321]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0007","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"677.0,1833.2 306.4,1831.9 121.7,1830.3 76.2,1051.5 61.5,1014.2 71.9,1012.6 72.2,56.9 1332.6,31.6 1552.6,49.5 1627.0,120.0 1632.8,227.6 1639.6,1045.0 1641.7,1045.1 1649.0,1544.3 1649.0,1665.6 1649.0,1828.5 1611.5,1828.7 677.0,1833.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[682.0,1048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6851861660152,39.061035765950955]}},{"type":"Feature","properties":{"resourceCoords":[1297.0,231.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.68316561320273,39.06211328093129]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p70","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0070","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"25.1,1722.6 17.5,1722.5 19.5,1409.3 21.6,986.5 22.3,244.3 646.0,247.6 1318.4,251.2 1649.0,368.2 1649.0,396.8 1542.7,462.3 1538.7,1814.2 1110.6,1768.0 75.8,1842.8 25.1,1722.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1246.0,990.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67530252497556,39.03968314987126]}},{"type":"Feature","properties":{"resourceCoords":[1246.0,1743.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6758778587454,39.03832935505023]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0071/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p71","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0071/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0071","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1002.5,78.8 106.4,82.4 70.4,141.6 74.3,2009.8 125.0,2013.0 123.5,1877.1 602.7,1894.0 602.6,1877.9 1094.2,1877.5 1094.2,1868.6 1616.6,1853.2 1616.0,1813.8 1609.8,1309.7 1599.6,910.0 1593.0,339.1 1598.7,145.5 1607.4,99.3 1039.2,111.1 1020.5,60.7 1003.9,1.0 1002.6,1.0 1002.5,78.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0071/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[600.0,1094.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69800112897073,39.04236391759503]}},{"type":"Feature","properties":{"resourceCoords":[122.0,128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69910372265495,39.044148772305725]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0072/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p72","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0072/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0072","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1310.8,1796.2 1044.9,1797.4 512.9,1795.1 10.2,1791.3 13.7,1298.5 11.3,907.7 15.7,349.6 24.9,160.6 34.3,115.5 276.2,113.1 691.4,114.0 928.4,134.1 1014.1,135.2 1035.7,135.2 1345.8,135.1 1341.2,634.0 1336.5,915.0 1337.9,1112.6 1366.2,1123.8 1567.7,1128.8 1649.0,1151.3 1623.4,1188.6 1594.5,1259.5 1583.4,1799.0 1310.8,1796.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0072/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1036.0,1792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69313757888747,39.041032008240485]}},{"type":"Feature","properties":{"resourceCoords":[1036.0,1082.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69315008832048,39.04236607066532]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0073/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p73","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0073/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0073","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1355.0,203.0 1419.0,203.1 1649.0,202.2 1649.0,923.6 1649.0,1603.0 1371.3,1835.4 1372.2,1738.2 1081.8,1834.7 1092.8,1873.2 878.0,1918.6 335.9,1881.0 336.9,1832.2 344.1,1305.9 371.9,1236.5 396.6,1199.9 317.1,1178.5 120.6,1174.9 92.9,1164.2 90.2,971.4 92.9,697.2 94.1,210.5 1355.0,203.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0073/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1329.0,191.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.68935501205348,39.04418833410013]}},{"type":"Feature","properties":{"resourceCoords":[126.0,975.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69233730619403,39.042677168622234]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0074/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p74","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.59"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0074/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0074","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.4,1588.8 24.4,253.2 25.4,253.2 24.5,552.2 29.3,553.9 34.9,253.3 214.4,252.8 437.6,281.4 918.3,281.2 984.9,280.5 1579.2,281.0 1582.8,429.4 1576.0,1677.3 1281.9,1675.6 979.0,1678.0 927.0,1678.0 357.5,1678.8 358.1,1752.8 35.9,1585.0 33.6,1506.0 21.6,1505.9 21.3,1588.0 20.4,1588.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0074/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[982.0,982.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6860642,39.0427018]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,982.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6845089,39.0427061]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0075/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p75","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0075/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0075","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1164.3,2011.0 1169.5,2011.0 1170.8,1950.2 1254.0,1714.0 1513.2,1713.9 1519.0,964.0 1524.8,213.4 1521.7,148.0 1467.6,129.8 1084.8,1.0 914.4,1.0 879.5,122.5 864.9,219.4 724.6,216.9 395.3,158.1 378.4,208.2 243.5,205.7 171.1,204.8 174.8,365.2 166.0,1714.0 923.0,1714.0 1162.2,1714.0 1164.3,2011.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0075/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1519.0,964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6812658,39.042715]}},{"type":"Feature","properties":{"resourceCoords":[166.0,1714.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6845129,39.0413016]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0076/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p76","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0076/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0076","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"202.2,1954.1 1574.1,1469.2 1614.8,1589.1 1614.2,1514.1 1609.9,1092.0 1599.3,351.1 1048.6,361.4 996.7,203.5 978.4,112.2 972.5,26.2 1.0,367.1 1.0,367.9 240.8,1066.1 1.0,1150.7 1.0,1402.1 13.8,1456.5 22.9,1467.9 184.2,1960.5 202.2,1954.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0076/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1060.0,357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.67881409072082,39.042074770987746]}},{"type":"Feature","properties":{"resourceCoords":[52.0,318.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.68110813095942,39.042771320440174]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0077/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p77","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0077/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0077","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1580.9,1209.5 1631.1,1203.3 1629.7,1737.2 1637.2,1786.5 1505.5,1785.6 1352.5,1838.3 343.6,1855.6 312.9,1702.4 174.0,1703.8 172.1,1513.7 53.1,1310.2 53.1,275.2 53.1,260.1 103.7,263.4 102.4,128.1 579.4,145.9 579.4,130.0 1068.7,130.7 1068.7,121.8 1588.8,107.5 1588.8,112.7 1592.2,360.7 1590.0,602.6 1582.8,726.0 1585.0,994.9 1580.9,1209.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0077/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1587.0,654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.695636,39.0399387]}},{"type":"Feature","properties":{"resourceCoords":[200.0,1496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6989509,39.0384105]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0078/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p78","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0078/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0078","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"48.6,1807.0 344.6,1812.6 445.6,1849.0 1312.2,1721.0 1377.9,1432.4 1580.3,1295.7 1532.4,155.0 1601.8,160.0 1603.0,109.8 1328.9,108.3 1061.5,110.8 526.5,111.2 21.0,109.9 21.0,153.6 21.4,398.6 16.3,637.4 7.8,759.2 6.6,1024.7 1.0,1110.7 1.0,1236.4 49.6,1231.0 41.8,1758.1 48.6,1807.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0078/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[516.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.69442837552879,39.04103235434857]}},{"type":"Feature","properties":{"resourceCoords":[516.0,676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.694425211881,39.03996346825828]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0079/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p79","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0079/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0079","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.1,371.1 68.0,367.5 54.9,1499.8 251.1,1695.6 585.0,1658.9 940.8,1709.3 1086.2,1861.5 1267.8,1897.6 1565.4,1882.7 1623.3,1773.8 1649.0,1775.2 1649.0,182.2 1613.0,182.4 994.0,186.1 995.0,266.6 643.9,85.9 641.1,1.0 628.0,1.0 628.1,89.2 339.7,331.5 340.5,230.8 39.6,331.2 51.1,371.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0079/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[75.0,1556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6898849,39.0387461]}},{"type":"Feature","properties":{"resourceCoords":[1044.0,1556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6875664,39.0387439]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p8","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0008","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"260.1,1817.0 19.9,1813.5 24.2,1037.3 22.2,1037.3 31.8,227.3 28.2,120.7 76.3,49.3 260.4,36.8 1341.1,52.0 1598.4,140.2 1590.3,1071.4 1566.3,1071.0 1562.9,1314.5 1552.2,1846.1 875.5,1834.1 312.4,1817.7 260.1,1817.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[316.0,1046.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6823356,39.0602934]}},{"type":"Feature","properties":{"resourceCoords":[1485.0,242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6790553,39.0610784]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p80","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0080","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1497.0,1812.5 1498.1,1761.9 1587.7,1762.2 1588.7,1762.2 1617.7,1022.7 1641.4,1022.8 1649.0,727.9 1649.0,395.6 1649.0,195.6 1412.5,194.8 664.3,192.3 350.1,189.1 26.5,190.2 7.2,190.1 1.0,855.9 1.0,1756.2 12.9,1759.3 807.7,1846.7 1093.7,1784.8 1497.0,1812.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0080/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1286.0,178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.68299974539082,39.04133815423073]}},{"type":"Feature","properties":{"resourceCoords":[54.0,178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.68599875031951,39.0413193545069]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0081/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p81","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0081/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0081","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.3,1028.3 54.2,1523.4 116.0,1740.9 527.5,1815.2 886.5,1802.8 1024.8,1735.4 1450.1,1744.0 1591.2,1349.0 1581.8,679.5 1595.0,682.7 1582.5,550.0 1575.0,547.5 1649.0,319.2 1649.0,186.6 150.1,216.2 106.0,217.1 93.0,971.9 91.9,971.9 1.0,973.5 1.0,1025.2 69.3,1028.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0081/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68241979678469,39.040151305544605]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67850986760214,39.040108298138655]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67857734598321,39.03635485663572]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68248727516576,39.03639786404167]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Topeka, Kansas | 1954 | sanborn03094_008 p9","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T09:54:26Z","modified":"2026-10-18T09:54:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0009","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.6,1251.2 43.5,1005.3 67.7,1005.3 58.4,65.5 88.2,75.2 601.4,33.7 858.1,139.1 1254.5,45.0 1465.4,104.5 1552.4,67.8 1596.0,152.6 1624.1,145.2 1632.2,337.7 1623.9,339.2 1627.2,1362.0 1634.5,1720.7 1632.5,1791.8 1526.2,1795.3 1390.8,1797.5 1214.9,1782.8 1049.2,1784.0 970.3,1789.1 666.0,1791.0 338.7,1788.0 43.9,1787.7 44.6,1251.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[666.0,1009.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6780543,39.0591733]}},{"type":"Feature","properties":{"resourceCoords":[666.0,1791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6786478,39.0577926]}}]}}]}