{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02927_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Clay Center, Kansas | 1917 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"21"},{"label":"placed","value":"14"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 9, georef-snap 4, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 39.37475,-97.11716 +/-112m); p1__3 (tier 1, 39.37457,-97.11807 +/-128m); p4__3 (tier 3, 39.38077,-97.13069 +/-747m); p8__3 (tier 1, 39.37310,-97.12265 +/-100m); p9__2 (tier 1, 39.37573,-97.12976 +/-110m); p9__4 (tier 1, 39.37097,-97.12802 +/-100m); p9__5 (tier 1, 39.37607,-97.12844 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.0,1706.8 21.6,1913.0 -0.0,1913.0 -0.0,-0.0 1578.2,0.0 1580.3,273.7 1613.0,273.7 1592.4,1841.2 61.8,1826.3 59.7,1706.5 20.0,1706.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12841221064004,39.38492667874393]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12446896479375,39.38489107120924]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12452321903739,39.38125088791232]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12846646488367,39.381286495447014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p1 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4941.2"},{"label":"split_canvas_w","value":"2424.4"},{"label":"split_canvas_h","value":"2710.8"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"597.1,1913.0 605.9,1349.9 606.1,1333.6 519.4,1332.1 0.0,1235.3 3.4,1913.0 597.1,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1235.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.11694668253223,39.37818704878959]}},{"type":"Feature","properties":{"resourceCoords":[606.1,1235.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.11545608784485,39.37818074799889]}},{"type":"Feature","properties":{"resourceCoords":[606.1,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.11546520619645,39.37689145261449]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.11695580088383,39.37689775340519]}},{"type":"Feature","properties":{"resourceCoords":[88.0,1813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.117537,39.377104]}},{"type":"Feature","properties":{"resourceCoords":[88.0,1813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.116738,39.377087]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1762.2 -0.0,-0.0 41.0,0.0 41.1,121.4 1580.1,148.8 1578.2,1795.3 -0.0,1762.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[802.0,1235.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1264729,39.3793521]}},{"type":"Feature","properties":{"resourceCoords":[802.0,682.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.126468,39.3803913]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"15.9,1751.7 66.0,0.0 1613.0,0.0 1613.0,1820.3 15.9,1751.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[807.0,1242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.122655,39.379309]}},{"type":"Feature","properties":{"resourceCoords":[62.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1245716,39.3813879]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p4 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 0.0,981.7 314.3,975.8 317.9,1272.9 459.2,1272.8 824.4,1272.7 833.1,1913.0 1538.4,1913.0 1549.8,639.7 1573.5,639.9 1585.1,0.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[817.0,1247.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.130324,39.377339]}},{"type":"Feature","properties":{"resourceCoords":[817.0,710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.130327,39.378398]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p4 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3903.2"},{"label":"split_canvas_w","value":"1272.4"},{"label":"split_canvas_h","value":"1246.0"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.0,1237.4 68.1,1286.4 318.1,1283.1 317.9,1272.9 314.3,975.8 66.5,980.5 68.0,1237.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,975.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12471726030493,39.38496547000698]}},{"type":"Feature","properties":{"resourceCoords":[318.1,975.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12393509267449,39.384959563419656]}},{"type":"Feature","properties":{"resourceCoords":[318.1,1287.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12394258865267,39.38436627878309]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1287.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12472475628311,39.38437218537042]}},{"type":"Feature","properties":{"resourceCoords":[68.0,1237.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1245563,39.384466]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0004__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p4 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"1836.8"},{"label":"split_canvas_y","value":"5090.8"},{"label":"split_canvas_w","value":"1495.6"},{"label":"split_canvas_h","value":"2561.2"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0004__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"833.1,1913.0 824.4,1272.7 459.2,1272.8 459.2,1280.9 459.3,1913.0 833.1,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0004__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[792.1,1869.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.1303203,39.3804473]}},{"type":"Feature","properties":{"resourceCoords":[792.1,1326.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.130319,39.38146]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 24.9,0.0 24.0,91.3 1588.4,119.0 1594.8,1770.2 46.6,1744.8 52.5,1576.8 14.3,1577.2 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12845790935839,39.37853987188418]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12452907456385,39.3785191910275]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12456058255562,39.37489198040805]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12848941735015,39.37491266126473]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1572.1,110.6 1613.0,1913.0 34.5,1913.0 20.1,98.0 1572.1,110.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.1246377048082,39.37848126402606]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12068190397761,39.3784477832424]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12073291304125,39.37479567293945]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12468871387183,39.374829153723105]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"25.2,0.0 1613.0,0.0 1609.4,790.1 1613.0,790.3 1613.0,1913.0 40.1,1913.0 25.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12084635114644,39.378607943689296]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.11693105005251,39.378584685832244]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.11696648422709,39.37496997344537]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12088178532102,39.37499323130242]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p8 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1070.2,1817.4 1073.6,1913.0 1613.0,1913.0 1613.0,1413.1 1555.8,1418.1 1557.6,1114.6 1613.0,1109.8 1613.0,383.2 1562.0,382.6 1563.1,206.6 30.5,167.4 37.8,0.0 -0.0,-0.0 0.0,1365.8 290.7,1367.0 291.0,1672.1 291.1,1804.1 1070.2,1817.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[800.0,1264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.126474,39.373149]}},{"type":"Feature","properties":{"resourceCoords":[800.0,1813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.126471,39.372105]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p8 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5463.2"},{"label":"split_canvas_w","value":"1164.0"},{"label":"split_canvas_h","value":"1225.2"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.8,1672.0 291.0,1672.1 290.7,1367.0 96.1,1366.2 67.8,1672.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1365.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12484135486173,39.373420415625546]}},{"type":"Feature","properties":{"resourceCoords":[291.0,1365.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12414438805271,39.37346846918406]}},{"type":"Feature","properties":{"resourceCoords":[291.0,1672.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12407926674051,39.37289606173015]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1672.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.12477623354953,39.37284800817164]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p9 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"185.6,900.2 1613.0,909.1 1613.0,631.5 1107.8,631.4 1107.8,0.0 162.8,0.0 185.6,900.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[124.0,1089.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.120786,39.378237]}},{"type":"Feature","properties":{"resourceCoords":[124.0,38.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.120782,39.3802964]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0009__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clay Center, Kansas | 1917 | sanborn02927_007 p9 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3898.8"},{"label":"split_canvas_w","value":"5087.6"},{"label":"split_canvas_h","value":"3753.2"}],"created":"2026-09-22T09:47:14Z","modified":"2026-09-22T09:47:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0009__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"485.4,1119.6 414.0,1147.6 414.9,1113.5 0.0,1114.6 0.0,1683.0 440.1,1683.0 440.2,1646.1 830.6,1646.2 830.6,1913.0 1271.9,1913.0 1110.3,1622.9 1112.9,1152.5 485.4,1119.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd420m:g4204m:g4204cm:g4204cm_g029271917:02927_1917-0009__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1013.9,1147.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.126471,39.372105]}},{"type":"Feature","properties":{"resourceCoords":[414.0,1147.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.128014,39.37206]}}]}}]}