{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03094_008.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Topeka, Kansas | 1954 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"94"},{"label":"placed","value":"85"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef 55, georef-snap 28, snap:0 1, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 21 panels"},{"label":"unplaced pages","value":"p0 (tier 4, 39.05006,-95.67834 +/-2369m); p14__1 (tier 1, 39.05727,-95.66497 +/-272m); p25 (tier 1, 39.05227,-95.67580 +/-277m); p28__2 (tier 1, 39.04443,-95.64896 +/-100m); p43__1 (tier 2, 39.05432,-95.69338 +/-601m); p43__2 (tier 1, 39.05755,-95.68895 +/-100m); p58__2 (tier 1, 39.04935,-95.67699 +/-100m); p58__3 (tier 1, 39.04806,-95.67475 +/-100m); p60__2 (tier 1, 39.04698,-95.66624 +/-135m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0001/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 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0001","type":"ImageService3","width":1650,"height":2025},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1313.2,2025.0 1272.3,2025.0 -0.0,936.9 -0.0,194.2 76.2,194.1 1650.0,942.6 1650.0,1709.4 1315.7,2025.0 1313.2,2025.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67436984574219,39.057072864877675]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67050346479792,39.056063501981455]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67208754276946,39.052352787066]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67595392371373,39.05336214996222]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"980.9,1018.0 1543.5,1027.8 1534.8,1804.1 -0.0,1770.6 -0.0,336.2 41.8,331.8 49.1,1.4 610.1,0.0 605.0,181.8 1002.2,166.2 980.9,1018.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67516316247684,39.06040498408552]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67136432682645,39.05947861949412]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67281819082118,39.05583283631391]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67661702647156,39.05675920090531]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,153.5 1200.9,166.8 1205.1,1788.4 574.8,1792.2 564.0,1010.0 -0.0,1012.1 -0.0,153.5\" /></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":[-95.67285684485792,39.05981523945706]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.66909210728207,39.05882868221108]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67065077764141,39.05523958774346]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67441551521726,39.05622614498944]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"479.7,2025.0 501.1,218.3 587.8,294.2 1127.2,299.6 1121.0,811.9 1161.0,944.5 1249.7,1029.8 1328.2,1051.2 1650.0,1062.9 1650.0,2025.0 479.7,2025.0\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"594.0,1502.7 588.4,1008.7 260.4,1000.5 131.0,948.7 46.6,759.1 45.6,142.8 920.7,144.2 920.8,238.9 1650.0,242.2 1650.0,1507.8 594.0,1502.7\" /></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":"split_canvas_x","value":"3942.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2658.0"},{"label":"split_canvas_h","value":"3744.0"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1650.0,0.0 1153.6,0.0 1153.0,117.0 1016.5,117.0 1014.2,881.9 1650.0,898.4 1650.0,0.0\" /></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":[1016.5,117.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.656083,39.051899]}},{"type":"Feature","properties":{"resourceCoords":[1466.2,117.0],"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1603.3,189.7 1628.3,1741.3 1539.7,1745.3 1539.0,2025.0 41.4,2025.0 -0.0,611.4 603.6,621.5 599.7,443.9 591.9,190.6 1603.3,189.7\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"110.6,1757.0 84.2,0.0 487.5,0.0 667.8,491.9 1650.0,131.9 1650.0,976.4 1511.0,1000.9 1514.2,1748.6 110.6,1757.0\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1647.7,1578.7 1330.6,1576.7 1331.1,1752.4 708.0,1752.5 709.0,1574.5 -0.0,1579.5 -0.0,187.9 700.8,190.2 701.3,0.0 1325.3,0.0 1330.0,384.1 1644.1,384.0 1647.7,1578.7\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1277.4,1608.1 968.2,1607.4 968.0,1767.0 -0.0,1764.2 -0.0,194.1 31.1,193.9 30.8,0.0 1274.3,0.0 1272.8,383.7 1506.7,379.1 1506.8,1768.6 1277.3,1767.9 1277.4,1608.1\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,198.7 1650.0,201.2 1650.0,1762.9 -0.0,1757.9 -0.0,198.7\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1599.2,0.0 1603.2,1737.2 1629.3,1779.0 -0.0,1794.9 -0.0,0.0 1599.2,0.0\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1604.1,1772.3 38.3,1773.8 37.8,216.1 894.7,213.8 907.4,977.9 977.0,977.5 973.0,213.3 1596.7,213.9 1604.1,1772.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67639300063821,39.057634426598185]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67263931655289,39.05664365631986]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67419419990462,39.053041064636666]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67794788398994,39.054031834914994]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1172.0,186.0 1170.8,1770.4 535.5,1768.8 534.0,186.0 1172.0,186.0\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"848.2,1760.8 848.0,972.0 489.2,969.5 482.3,416.1 1048.8,411.7 1054.9,1754.8 848.2,1760.8\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"77.0,1637.0 -0.0,1699.8 -0.0,456.9 556.0,447.9 566.6,0.0 1650.0,0.0 1650.0,120.7 1453.4,125.5 1504.8,1949.0 1575.0,1947.3 1575.9,2025.0 1219.3,2025.0 1217.2,1534.0 77.7,1547.3 77.0,1637.0\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1650.0,2025.0 1572.1,2025.0 1585.5,1619.1 1005.8,1602.5 1003.5,1751.6 823.4,1746.0 725.2,1667.2 457.0,1819.3 316.6,2025.0 -0.0,2025.0 -0.0,-0.0 1650.0,0.0 1650.0,2025.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.66648100730393,39.054899712842094]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.66279799899661,39.054000300677004]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.66420945171836,39.05046539941905]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.66789246002568,39.05136481158414]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,1761.9 -0.0,176.3 1650.0,163.0 1650.0,1781.3 -0.0,1761.9\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1583.0,302.0 1579.7,1891.6 236.1,1885.6 253.9,259.9 1583.0,302.0\" /></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":"8"},{"label":"intersections","value":"15"},{"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":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,2025.0 1650.0,2025.0 1650.0,0.0 320.3,0.0 320.4,318.0 356.1,329.7 77.7,1263.7 84.3,1445.9 -0.0,1722.3 -0.0,2025.0\" /></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":[-95.651741,39.04768]}},{"type":"Feature","properties":{"resourceCoords":[477.0,768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.652833,39.047965]}}]}},{"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":"6"},{"label":"intersections","value":"7"},{"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":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,2025.0 1476.4,2008.3 1506.1,67.0 1650.0,69.8 1650.0,0.0 611.8,0.0 608.8,1038.5 0.0,1044.7 -0.0,2025.0\" /></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":[-95.6958638,39.0575885]}},{"type":"Feature","properties":{"resourceCoords":[1295.0,366.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.693883,39.0587141]}}]}},{"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":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2447.2"},{"label":"split_canvas_h","value":"4178.8"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,1044.7 354.6,1041.1 355.9,903.9 609.2,908.0 611.8,0.0 -0.0,-0.0 -0.0,1044.7\" /></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":[447.9,104.0],"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"119.7,1921.2 -0.0,1813.0 -0.0,23.9 51.9,24.0 -0.0,-0.0 1650.0,0.0 1650.0,1820.2 690.0,1821.0 691.6,1919.2 119.7,1921.2\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,2025.0 -0.0,0.0 1650.0,0.0 1650.0,155.8 1548.8,156.3 1544.3,1916.5 542.1,1912.1 541.9,2025.0 -0.0,2025.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69313312723514,39.059158976272265]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68929238934527,39.05815746013775]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.6908641695532,39.0544713952932]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69470490744307,39.055472911427714]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"91.9,0.0 1317.5,0.0 1315.2,176.3 1594.1,178.2 1580.5,1648.5 638.5,1642.1 637.4,1802.8 86.2,1799.5 91.9,0.0\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"976.6,2025.0 974.9,1765.6 613.9,1769.6 614.9,2025.0 -0.0,2025.0 -0.0,173.4 334.6,171.2 333.8,0.0 644.5,0.0 639.1,169.2 1593.1,163.0 1592.5,7.6 1650.0,7.2 1650.0,1760.1 1607.4,1760.6 1608.0,2025.0 976.6,2025.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0032/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68620216046772,39.057045825366224]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68239506507007,39.05602442562294]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68399800318886,39.052370540293566]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68780509858651,39.05339194003685]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"912.1,1794.8 280.1,1794.2 285.4,0.0 535.0,0.0 535.3,159.3 1466.0,160.0 1469.8,1793.8 1300.0,1793.9 1300.6,2012.8 906.8,2025.0 912.1,1794.8\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1439.5,1809.9 169.7,1806.5 170.0,174.0 1437.4,178.1 1439.5,1809.9\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1468.8,1793.3 216.6,1784.8 222.0,158.0 1473.9,168.7 1468.8,1793.3\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1124.6,1775.3 486.7,1780.1 475.3,134.7 1114.8,128.0 1090.9,173.3 1146.2,1387.8 1124.6,1775.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0036/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67506323710751,39.05403839233054]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.6713767975351,39.05304947918329]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67292868820314,39.04951124710805]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67661512777555,39.050500160255304]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"517.4,1821.5 542.7,1439.0 500.2,519.1 544.8,519.4 525.4,193.7 1073.2,194.9 1121.1,157.1 1121.5,1825.4 517.4,1821.5\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,1782.7 -0.0,129.8 42.2,96.4 44.1,0.0 1270.2,0.0 1266.4,528.2 1650.0,532.7 1650.0,1795.5 1618.1,1795.5 1613.8,2025.0 632.9,2025.0 633.7,1880.5 555.4,1849.6 182.7,1838.7 -0.0,1782.7 -0.0,1782.7\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1014.0,1802.0 428.9,1804.7 426.8,1644.5 209.0,1647.7 189.2,441.8 420.1,440.7 552.8,228.7 810.1,71.5 908.8,146.3 1085.0,146.8 1082.4,0.0 1650.0,0.0 1650.0,1626.7 1006.5,1636.0 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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"732.9,2025.0 733.0,1875.3 -0.0,1871.6 -0.0,1776.3 47.7,1776.3 52.3,18.1 -0.0,-0.0 1325.4,0.0 1299.7,41.6 1276.0,1476.9 1410.7,1587.8 1524.7,1778.5 1271.0,1779.4 1267.0,2025.0 732.9,2025.0\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1650.0,2025.0 8.0,2025.0 -0.0,-0.0 1491.2,0.0 1472.0,93.6 1561.7,93.0 1472.3,591.0 1474.1,1947.6 1599.9,1947.0 1600.3,1729.8 1633.3,1729.8 1650.0,2025.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0040/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.66463376314107,39.04958629717781]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.66089835120201,39.04859394920394]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.66245553213892,39.04500848345547]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.66619094407798,39.04600083142934]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"89.5,165.1 -0.0,165.2 -0.0,106.0 177.6,108.8 177.6,105.1 1561.0,135.1 1565.0,1809.0 1463.2,1809.0 1462.3,1997.1 1650.0,1997.9 1650.0,2025.0 171.0,2025.0 159.0,1807.3 126.2,1807.2 125.5,2025.0 -0.0,2025.0 -0.0,661.1 89.5,165.1\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1650.0,2025.0 -0.0,2025.0 -0.0,1836.3 102.1,1835.8 90.5,156.6 1531.1,149.1 1528.4,488.9 1650.0,850.4 1650.0,2025.0\" /></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":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5826.4"},{"label":"split_canvas_w","value":"1514.8"},{"label":"split_canvas_h","value":"1279.6"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,1776.5 378.7,1671.6 312.1,1459.4 0.0,1456.6 -0.0,1776.5\" /></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":[315.8,1521.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6956452,39.051122]}},{"type":"Feature","properties":{"resourceCoords":[315.8,2188.4],"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"21.3,1545.7 -0.0,90.3 1564.0,97.0 1560.5,1565.1 21.3,1545.7\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,0.0 1022.5,0.0 1023.6,160.1 951.9,160.7 951.4,380.6 1579.5,420.2 1580.2,978.1 1580.2,978.1 1581.4,1799.8 76.4,1802.2 69.0,162.4 -0.0,162.5 -0.0,0.0\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1596.0,1608.3 -0.0,1610.1 -0.0,182.4 360.6,179.9 361.4,439.0 992.1,441.4 992.5,177.2 1650.0,175.4 1650.0,1775.1 1600.5,1775.4 1596.0,1608.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0046/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68604346971114,39.05380283317874]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68222761585426,39.052791687384]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68381438913352,39.04912922813165]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.6876302429904,39.05014037392639]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"98.4,386.2 489.4,375.1 489.4,157.7 1570.5,160.5 1577.2,1785.0 96.2,1785.2 98.4,386.2\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1583.8,158.7 1572.4,1474.5 340.6,1484.6 340.2,1528.7 338.4,1705.8 339.5,1758.2 -0.0,1757.3 -0.0,155.7 1583.8,158.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0048/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67887656375576,39.05187443258009]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67506534328771,39.050883261234446]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67662072924,39.04722515086181]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68043194970805,39.04821632220746]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"582.8,1789.6 577.0,164.0 1202.8,161.2 1185.8,572.6 1233.2,1463.0 1222.0,1789.0 582.8,1789.6\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"124.5,1403.5 67.0,1311.7 -0.0,1259.2 -0.0,558.5 12.3,538.0 -0.0,538.2 -0.0,0.0 1650.0,0.0 1650.0,188.9 1408.1,281.4 1459.2,420.6 1486.5,410.9 1493.7,605.0 1255.5,607.4 1263.3,1169.3 1468.3,1705.0 1270.8,1708.1 1272.2,1806.0 775.6,1814.7 784.0,2025.0 -0.0,2025.0 -0.0,1406.6 124.5,1403.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.6615997404084,39.06222727295222]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.65402355508763,39.06011660364174]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.65733607898999,39.052845607221805]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.66491226431076,39.05495627653229]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1114.2,1787.5 484.6,1784.8 497.9,1335.1 455.1,492.8 479.4,150.1 1111.0,152.0 1114.2,1787.5\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1303.8,1639.3 685.1,1658.7 687.5,1780.5 83.8,1790.7 56.6,182.9 214.8,234.9 634.2,237.5 666.8,266.1 668.6,409.9 1650.0,387.4 1650.0,961.6 1556.8,963.1 1569.0,2025.0 1310.0,2025.0 1303.8,1639.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0051/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.6724568598972,39.05025080148318]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.66868250526854,39.049213392172774]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67031041048946,39.045590579361]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67408476511812,39.0466279886714]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"942.8,165.9 937.8,0.0 1650.0,0.0 1650.0,1668.4 -0.0,1699.4 -0.0,978.6 94.5,979.1 108.3,160.7 140.7,160.7 140.4,0.0 358.1,0.0 358.0,160.1 942.8,165.9\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"394.0,1716.4 -0.0,1721.4 -0.0,0.0 1616.5,0.0 1584.5,897.1 1620.4,896.0 1626.7,1700.7 1302.0,1704.9 1082.0,1780.8 1166.3,2025.0 1014.8,2025.0 1008.2,1708.6 704.5,1712.5 705.6,2011.5 397.0,2025.0 394.0,1716.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0053/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69446755833157,39.05262309116934]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69071178809955,39.05161117183028]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69229974863374,39.04800632037609]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69605551886576,39.049018239715146]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"37.4,1708.1 35.8,903.1 -0.0,904.0 -0.0,487.4 37.1,487.1 41.1,93.3 1488.8,88.0 1489.4,1913.6 1345.4,1962.9 1286.5,1823.8 1286.9,1982.4 652.6,1703.9 37.4,1708.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0054/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69086782068469,39.05166615006961]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68710590770384,39.050671972821284]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68866600510148,39.04706117626351]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69242791808233,39.048055353511835]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,170.2 45.0,170.0 45.1,0.0 1650.0,0.0 1650.0,1670.1 -0.0,1671.2 -0.0,170.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0055/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68740897455079,39.0509182526044]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.683612888354,39.0499159643012]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68518569738305,39.04627232900535]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68898178357983,39.047274617308545]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"18.9,1750.2 25.2,159.1 1650.0,162.5 1650.0,977.6 1511.4,977.1 1519.0,1726.7 18.9,1750.2\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"382.6,1805.9 -0.0,1804.4 -0.0,1069.0 136.8,1070.4 145.0,270.9 398.3,273.4 401.6,0.0 1632.6,0.0 1623.2,2025.0 379.9,2025.0 382.6,1805.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0057/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68016107416177,39.049223417405834]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67633676474198,39.048256068321045]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67785470929093,39.044585253233265]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68167901871072,39.045552602318054]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0058__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 p58 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"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":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0058__1/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=\"1442.0,268.6 173.7,267.3 174.7,362.7 249.0,361.9 238.3,665.0 462.2,657.2 457.7,762.6 449.2,958.1 180.9,956.2 190.8,1899.8 1455.3,1906.5 1442.0,268.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0058__1/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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"102.0,112.0 695.9,120.5 696.8,0.0 1305.5,0.0 1303.8,128.0 1301.2,397.2 1556.0,389.5 1560.6,929.1 1560.6,929.1 1565.8,1529.8 682.8,1512.0 680.2,1714.6 87.5,1709.1 102.0,112.0\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1650.0,2025.0 781.6,2025.0 256.9,1827.6 342.0,1599.8 153.1,1535.9 152.3,1565.5 -0.0,1563.4 0.0,0.0 1650.0,-0.0 1650.0,2025.0\" /></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":"5"},{"label":"intersections","value":"4"},{"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":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"861.5,2025.0 859.2,1551.4 1367.8,1093.2 1647.6,987.0 1645.2,0.0 12.6,0.0 10.8,96.1 -0.0,95.8 0.0,638.0 0.0,844.1 -0.0,2025.0 861.5,2025.0\" /></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":[-95.6681413,39.0455402]}},{"type":"Feature","properties":{"resourceCoords":[344.0,919.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6701017,39.0444452]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,2024.9 -0.0,-0.0 1360.1,0.0 1177.8,555.4 1650.0,708.2 1650.0,1055.5 1613.1,1065.8 1620.4,1656.4 1584.7,1656.9 1475.0,2009.5 -0.0,2024.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0061/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.70058806981432,39.051556854809355]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69661857217153,39.05154404269474]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69663867749621,39.04773402108235]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.700608175139,39.04774683319696]}}]}},{"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":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4708.0"},{"label":"split_canvas_w","value":"6600.0"},{"label":"split_canvas_h","value":"3392.0"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"975.0,2025.0 1237.3,2025.0 1478.9,2025.0 1523.6,1890.9 1047.4,1453.5 420.8,1244.9 0.0,1177.0 -0.0,1900.8 975.0,2025.0\" /></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":[504.0,1272.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6920986,39.0485979]}},{"type":"Feature","properties":{"resourceCoords":[1581.0,1891.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6893126,39.0473555]}}]}},{"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":"5"},{"label":"intersections","value":"9"},{"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":"5773.2"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"910.4,543.1 625.0,455.4 721.7,171.4 361.4,48.2 378.3,0.0 36.3,0.0 35.8,45.8 -0.0,55.3 -0.0,629.6 245.1,629.4 245.6,1199.1 1083.8,1207.2 1093.5,1074.8 1322.7,1077.6 1325.5,705.0 1187.6,655.8 1283.5,363.4 1005.8,268.5 910.4,543.1\" /></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":[-95.6949167,39.0493259]}},{"type":"Feature","properties":{"resourceCoords":[178.0,5.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6962752,39.0496394]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"76.6,139.8 1347.5,135.8 1347.0,0.0 1592.5,0.0 1593.1,131.0 1650.0,129.7 1650.0,1819.5 -0.0,1819.0 -0.0,-0.0 76.6,0.0 76.6,139.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0063/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69724547302197,39.047593572014684]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69326132440257,39.04758130430285]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69328057432243,39.043757000926]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69726472294182,39.04376926863783]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,119.5 960.2,122.5 959.9,262.6 1498.5,268.1 1405.9,535.2 1604.3,603.1 1609.0,127.1 1650.0,127.4 1650.0,1815.0 1600.0,1813.2 1596.1,2025.0 948.6,2025.0 949.6,1810.8 -0.0,1806.7 -0.0,119.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0064/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.6932079259069,39.047563042604786]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68921678796974,39.04759675658091]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68916388559303,39.04376574296511]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.6931550235302,39.043732028988984]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0065__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 p65 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5715.6"},{"label":"split_canvas_w","value":"1702.0"},{"label":"split_canvas_h","value":"2384.4"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0065__1/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=\"-0.0,2025.0 211.1,2025.0 58.6,1568.9 17.9,1471.5 0.0,1475.3 -0.0,2025.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0065__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1428.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68933990556262,39.047638934223734]}},{"type":"Feature","properties":{"resourceCoords":[425.5,1428.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68836874641904,39.047388193987416]}},{"type":"Feature","properties":{"resourceCoords":[425.5,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68882216606612,39.046328489186465]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68979332520969,39.04657922942278]}},{"type":"Feature","properties":{"resourceCoords":[59.1,1568.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6893126,39.0473555]}}]}},{"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":"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":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,329.4 519.4,1808.0 740.2,1739.0 834.2,2025.0 1650.0,2025.0 1631.3,0.0 93.1,0.0 94.1,288.1 -0.0,329.4\" /></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":"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":"6412.0"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"131.1,0.0 140.6,1513.0 987.2,1236.1 1055.9,1166.6 1294.7,1135.5 1650.0,1019.3 1650.0,966.5 1403.4,966.8 1396.6,0.0 131.1,0.0\" /></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":[129.0,820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.685577,39.0453487]}},{"type":"Feature","properties":{"resourceCoords":[1398.0,820.0],"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":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"3805.6"},{"label":"split_canvas_y","value":"4356.8"},{"label":"split_canvas_w","value":"2794.4"},{"label":"split_canvas_h","value":"3743.2"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1602.0,1886.8 1605.5,1095.0 1055.9,1166.6 1009.2,1213.8 1013.8,2025.0 1394.9,2025.0 1624.6,1944.9 1602.0,1886.8\" /></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":[1008.4,1886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6826942,39.0446069]}},{"type":"Feature","properties":{"resourceCoords":[1008.4,1155.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.682115,39.0459701]}}]}},{"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":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6374.4"},{"label":"split_canvas_w","value":"3825.2"},{"label":"split_canvas_h","value":"1725.6"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"0.0,2025.0 705.5,2025.0 708.1,1822.0 747.7,1822.5 746.7,1895.1 955.5,1896.9 953.7,1603.0 804.6,1601.5 748.3,1775.3 0.0,1773.3 0.0,2025.0\" /></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":[301.1,1775.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.6991492,39.0477498]}},{"type":"Feature","properties":{"resourceCoords":[748.2,1775.3],"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1047.2,1367.5 1099.5,1532.5 492.1,1735.0 235.0,958.5 238.0,341.9 1500.5,337.6 1492.7,985.1 1316.6,984.0 1314.0,1372.5 1047.2,1367.5\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1449.7,1759.6 247.9,1765.4 173.2,1421.3 -0.0,1480.4 -0.0,1000.0 177.3,1000.0 178.4,203.4 1454.1,211.5 1459.6,940.0 1387.3,940.0 1387.3,1000.1 1454.3,1000.6 1449.7,1759.6\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1081.3,1745.3 61.9,1749.5 66.8,997.0 -0.0,996.7 -0.0,937.2 72.1,936.8 66.8,214.5 678.3,207.9 677.6,0.0 1588.7,0.0 1601.2,506.2 1650.0,504.8 1650.0,2025.0 1083.5,2025.0 1081.3,1745.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0069/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.6749224403732,39.04450767691822]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.6711887208281,39.043517994649406]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67274160803665,39.03993389779884]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67647532758174,39.040923580067656]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"676.3,1642.3 675.0,1831.7 222.6,1830.8 218.1,950.8 -0.0,952.8 -0.0,0.0 1601.0,0.0 1650.0,1631.9 1618.6,2025.0 1304.2,2025.0 1301.2,1642.5 676.3,1642.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68593223784423,39.06329511039889]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68219875379417,39.06231523558968]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68373666156802,39.05873231842463]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68747014561808,39.05971219323384]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1650.0,2025.0 185.2,2025.0 100.4,1724.3 13.4,1722.3 21.0,247.7 1650.0,253.2 1650.0,2025.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0070/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67742516780875,39.042209257393864]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67362112931524,39.04122658426767]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67516296782856,39.03757486604024]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67896700632207,39.03855753916643]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,2025.0 -0.0,-0.0 898.4,0.0 899.4,116.4 1608.9,102.0 1617.7,1696.7 1617.0,1742.1 1094.8,1743.5 1095.8,2025.0 601.9,2025.0 601.0,1744.9 119.1,1746.3 122.3,2025.0 -0.0,2025.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0071/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69937857241078,39.04439395112413]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69549052023903,39.04435544982394]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69555093197063,39.040623220143864]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69943898414238,39.04066172144405]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"990.7,137.7 992.2,0.0 1039.1,0.0 1039.6,138.0 1253.7,137.9 1242.8,1684.6 8.6,1678.0 31.2,118.3 990.7,137.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0072/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69566763685712,39.04439080238297]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69169271349571,39.0444134653016]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69165715350505,39.04059784520479]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69563207686646,39.04057518228616]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"720.5,209.8 721.8,419.4 1355.2,412.7 1356.8,205.6 1650.0,204.8 1630.3,1513.6 1372.9,1513.2 1371.7,2025.0 1105.8,2025.0 1045.0,1713.6 1044.5,2025.0 378.7,2025.0 378.1,1720.5 -0.0,1721.1 -0.0,214.1 720.5,209.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0073/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69264523119608,39.04456206869934]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68856568581475,39.044562974457506]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.688564264604,39.04064692912919]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69264380998533,39.040646023371025]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"357.4,1678.7 380.9,2025.0 -0.0,2025.0 18.9,562.9 793.1,828.6 981.3,280.5 1420.8,280.9 1422.2,1495.1 979.8,1497.2 979.0,1678.0 357.4,1678.7\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1257.4,1714.0 1160.8,1989.6 1159.8,1714.0 854.0,1714.0 855.3,1513.8 167.4,1516.3 166.0,1714.0 -0.0,1712.9 -0.0,204.2 1107.0,210.8 1121.8,167.0 1255.2,211.7 1524.9,213.3 1519.0,964.0 1650.0,964.2 1650.0,2025.0 1510.6,2025.0 1513.2,1714.0 1257.4,1714.0\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"209.2,2025.0 -0.0,2024.3 -0.0,1912.0 -0.0,1151.8 121.1,327.6 541.4,0.0 804.6,0.0 974.6,27.4 1603.2,349.9 1616.0,1451.9 1217.7,2025.0 209.2,2025.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0076/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68096695043968,39.04337989939353]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67717842099138,39.04234928428569]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67879550618805,39.038712509250914]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68258403563635,39.03974312435875]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"101.3,0.0 579.3,0.0 579.5,279.8 1069.3,281.1 1068.2,0.0 1587.2,0.0 1592.8,2012.0 -0.0,2025.0 -0.0,278.1 103.8,278.4 101.3,0.0\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"19.3,0.0 1650.0,0.0 1650.0,2025.0 -0.0,2025.0 19.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0078/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69566367612724,39.041229099244234]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69170904695328,39.0412351306151]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69169958365848,39.03743882124578]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.69565421283244,39.03743278987491]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,2025.0 -0.0,209.1 63.4,533.1 337.7,532.7 338.6,0.0 604.5,0.0 607.2,564.1 1021.3,562.1 994.0,185.8 1650.0,181.8 1650.0,2025.0 -0.0,2025.0\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"1650.0,0.0 1650.0,76.2 1541.8,74.2 1508.8,1845.2 1472.8,1844.5 1469.3,2025.0 1238.2,2025.0 1247.2,1646.0 18.8,1621.8 -0.0,0.0 1650.0,0.0\" /></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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,2025.0 24.8,0.0 499.4,0.0 498.7,193.2 663.5,194.8 665.5,0.0 1348.5,0.0 1346.4,197.3 1650.0,198.4 1650.0,469.9 1452.6,1022.7 1650.0,1023.2 1650.0,1760.9 1590.5,1760.6 1500.3,1760.2 1494.5,2025.0 -0.0,2025.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204tm:g4204tm_g03094195401:03094_01_1954-0080/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68612504911302,39.0416606010594]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68212553536571,39.04168650779733]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68208488721265,39.037847126233046]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68608440095996,39.037821219495115]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,2025.0 -0.0,-0.0 1118.8,0.0 1118.8,0.0 1650.0,187.1 1650.0,2025.0 -0.0,2025.0\" /></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":[-95.68242138976565,39.040151320753424]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67851097764422,39.04010937344665]}},{"type":"Feature","properties":{"resourceCoords":[1650.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.67857679273558,39.03635546833356]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2025.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.68248720485701,39.03639741564034]}}]}},{"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"}],"created":"2026-09-21T19:19:19Z","modified":"2026-09-21T19:19:19Z","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=\"-0.0,1787.7 -0.0,0.0 1650.0,0.0 1650.0,334.6 1608.0,339.8 1639.8,1791.8 -0.0,1787.7\" /></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]}}]}}]}