{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07216_009.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ponca City, Oklahoma | 1925 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"36"},{"label":"placed","value":"31"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 23, georef-snap 8"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 36.70998,-97.06638 +/-130m); p22__2 (tier 1, 36.70679,-97.07578 +/-100m); p24__1 (tier 1, 36.72032,-97.08477 +/-258m); p24__2 (tier 1, 36.71984,-97.08463 +/-110m); p24__3 (tier 1, 36.72122,-97.08403 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,162.4 1123.9,158.8 1141.5,199.8 1613.0,210.2 1613.0,1913.0 1168.2,1913.0 1169.3,1772.5 -0.0,1782.0 -0.0,162.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08935753135535,36.70283645819814]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.0856529423863,36.70280050651723]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.0857057503099,36.69925301517903]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08941033927894,36.699288966859946]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1397.4,1808.0 630.7,1820.8 631.3,1913.0 -0.0,1913.0 -0.0,-0.0 645.5,0.0 646.4,100.3 1613.0,102.2 1613.0,669.5 1488.5,670.4 1391.0,671.0 1397.4,1808.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08530551299563,36.702844423103734]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08164116272206,36.70275105996646]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08177829996312,36.6992421016023]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08544265023669,36.699335464739576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p12","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1512.4,1835.1 -0.0,1815.3 -0.0,672.5 221.6,672.3 224.8,102.0 1515.0,111.3 1512.4,1835.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[389.0,1249.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0813419,36.7004625]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,681.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.078734,36.701446]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p13","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.0,1828.5 73.6,117.8 1388.0,118.1 1389.2,1823.3 78.0,1828.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[643.0,1251.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0774836,36.7003709]}},{"type":"Feature","properties":{"resourceCoords":[1206.0,686.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0761537,36.701379]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p14","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1753.4 -0.0,1182.2 -0.0,47.5 1613.0,50.4 1613.0,1913.0 1012.6,1913.0 1013.2,1755.3 -0.0,1753.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[381.0,618.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.074862,36.7013442]}},{"type":"Feature","properties":{"resourceCoords":[945.0,1755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0736447,36.699224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p15","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1558.3,134.3 1548.8,1913.0 980.8,1913.0 981.0,1834.0 410.1,1844.6 412.1,1913.0 -0.0,1913.0 -0.0,236.6 414.9,238.3 414.8,146.4 1558.3,134.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[416.0,698.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0840354,36.698453]}},{"type":"Feature","properties":{"resourceCoords":[981.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.082811,36.6963339]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p16","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1794.9 85.6,1809.3 69.9,95.0 1613.0,87.0 1613.0,1794.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[649.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.080114,36.6983507]}},{"type":"Feature","properties":{"resourceCoords":[649.0,95.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0800606,36.6993885]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0017__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p17 [1]","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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0017__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1500.3,1249.7 1613.0,1238.1 1613.0,721.9 1546.1,722.4 1539.8,110.0 259.6,121.5 257.2,1819.1 984.0,1822.0 983.3,1719.2 1260.8,1714.0 1261.6,1254.2 1500.4,1254.5 1500.3,1249.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0017__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[984.0,1822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0763642,36.6961571]}},{"type":"Feature","properties":{"resourceCoords":[421.0,117.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0774972,36.699327]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0017__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p17 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"5042.0"},{"label":"split_canvas_y","value":"5016.8"},{"label":"split_canvas_w","value":"1410.0"},{"label":"split_canvas_h","value":"2635.2"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0017__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1254.7 1606.8,1254.7 1261.5,1281.8 1260.5,1913.0 1613.0,1913.0 1613.0,1254.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0017__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1310.4,1814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0750331,36.6961674]}},{"type":"Feature","properties":{"resourceCoords":[1310.4,1282.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0750132,36.6971675]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"642.1,1913.0 -0.0,1913.0 -0.0,716.5 64.1,715.1 74.8,129.1 1613.0,121.2 1613.0,1257.9 1467.9,1258.4 1476.5,1826.5 642.5,1831.6 642.1,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08166293810156,36.69654699137559]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.0779810764508,36.69643814805133]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.07814093872106,36.692912130319954]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08182280037182,36.69302097364422]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p19 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"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":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1778.9 547.0,1784.0 544.5,1913.0 1091.0,1913.0 1382.0,1913.0 1613.0,1913.0 1613.0,654.0 958.5,650.3 958.8,0.0 865.1,0.0 863.9,101.8 160.2,85.8 143.2,1215.7 -0.0,1214.0 -0.0,1778.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[875.0,1229.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0763942,36.6940661]}},{"type":"Feature","properties":{"resourceCoords":[1439.0,84.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0750331,36.6961674]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0019__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p19 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"3834.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2618.0"},{"label":"split_canvas_h","value":"2616.0"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0019__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,71.0 1011.5,71.0 1009.1,650.6 1613.0,654.0 1613.0,71.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0019__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1011.5,71.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.074936,36.699258]}},{"type":"Feature","properties":{"resourceCoords":[1548.0,71.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0736447,36.699224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1830.5 -0.0,1886.6 -0.0,76.0 1613.0,57.7 1613.0,1830.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.09037337047957,36.706100523313346]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08660145422515,36.705972998593815]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08678877773772,36.70236118497442]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.09056069399215,36.70248870969395]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p20","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"15"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"14.2,107.5 1387.4,107.9 1389.1,675.2 1613.0,678.5 1613.0,1797.1 1263.0,1793.1 1263.0,1758.3 18.6,1753.8 14.2,107.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[567.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0852397,36.707931]}},{"type":"Feature","properties":{"resourceCoords":[1264.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0836399,36.7078917]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"221.4,279.1 221.0,0.0 1511.8,0.0 1503.3,1911.5 212.6,1900.6 215.9,829.6 -0.0,825.9 -0.0,280.1 221.4,279.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08329838997071,36.70946446378451]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.07945813111174,36.70937823084144]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.07958480586767,36.70570113595138]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08342506472664,36.70578736889445]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0022__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p22 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"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":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0022__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1561.0,1884.9 1578.3,18.4 1613.0,0.0 1300.8,0.0 1291.3,463.3 840.4,449.0 846.4,0.0 -0.0,-0.0 41.7,25.9 16.8,1861.3 1561.0,1884.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0022__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1066.0,1352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0772023,36.7066908]}},{"type":"Feature","properties":{"resourceCoords":[48.0,302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0796961,36.7088306]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"7.9,1884.5 12.9,0.0 1613.0,0.0 1613.0,1878.8 7.9,1884.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.07589319074307,36.70934249809124]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.07193191400758,36.709261588229936]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.07205076896354,36.70546860825467]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.07601204569903,36.70554951811597]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"737.3,1913.0 -0.0,1913.0 -0.0,-0.0 1577.9,0.0 1580.2,740.9 1550.3,793.9 1553.5,822.8 1538.0,824.6 1577.4,877.8 1582.3,1872.9 737.8,1875.4 737.3,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0025/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.0934879238681,36.71293386589638]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08615324697679,36.71273528049603]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08644497213885,36.705712394487435]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.09377964903015,36.70591097988779]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0026__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p26 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4080.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0026__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"744.7,61.1 330.1,65.0 330.0,105.7 10.8,106.8 2.7,1458.3 249.5,1441.7 454.0,1659.2 482.4,1913.0 781.1,1913.0 775.7,657.3 1019.2,652.2 1020.1,58.5 744.7,61.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0026__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[618.1,629.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.079131,36.691009]}},{"type":"Feature","properties":{"resourceCoords":[335.1,1197.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0805348,36.68896]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0026__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p26 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"3102.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3349.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0026__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"798.6,1913.0 1613.0,1901.0 1613.0,0.0 1020.2,0.0 1019.2,652.2 775.7,657.3 776.6,865.4 806.2,865.7 803.2,1617.3 780.0,1660.0 780.2,1716.7 798.6,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0026__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[806.7,1178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0863475,36.7116091]}},{"type":"Feature","properties":{"resourceCoords":[1050.5,1178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.085246,36.711586]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0026__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p26 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5766.8"},{"label":"split_canvas_w","value":"1929.6"},{"label":"split_canvas_h","value":"1885.2"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0026__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"482.4,1913.0 454.0,1659.2 249.5,1441.7 0.0,1458.5 -0.0,1913.0 482.4,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0026__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1441.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.08027052195303,36.68564507325009]}},{"type":"Feature","properties":{"resourceCoords":[482.4,1441.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.07812300210706,36.68608093471001]}},{"type":"Feature","properties":{"resourceCoords":[482.4,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.07759016648359,36.68439639084844]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.07973768632955,36.68396052938852]}},{"type":"Feature","properties":{"resourceCoords":[47.0,1185.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0803508,36.6866034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0027__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p27 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"24"},{"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":"5022.8"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0027__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,612.5 0.0,1253.9 676.5,1255.7 676.5,1242.9 1613.0,1243.1 1613.0,127.7 1579.6,127.3 1581.0,56.9 170.6,52.3 169.0,612.9 -0.0,612.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0027__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[730.0,621.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0906506,36.6974341]}},{"type":"Feature","properties":{"resourceCoords":[449.0,1210.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0919495,36.6952549]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0027__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p27 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5015.6"},{"label":"split_canvas_w","value":"2707.2"},{"label":"split_canvas_h","value":"2636.4"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0027__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"461.1,1913.0 460.8,1873.2 633.8,1872.0 630.6,1298.7 22.4,1298.8 22.5,1254.0 0.0,1253.9 -0.0,1913.0 461.1,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0027__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[66.0,1298.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0957767,36.6995619]}},{"type":"Feature","properties":{"resourceCoords":[633.8,1872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.09324,36.6974687]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0027__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p27 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"2706.0"},{"label":"split_canvas_y","value":"4971.6"},{"label":"split_canvas_w","value":"3746.0"},{"label":"split_canvas_h","value":"2680.4"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0027__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1560.3,1566.8 1571.7,1314.3 1289.3,1309.1 1290.2,1269.9 1006.3,1269.9 1006.6,1303.8 801.8,1300.0 802.9,1242.9 676.5,1242.9 676.5,1255.7 676.8,1913.0 1519.1,1913.0 1528.5,1566.9 1560.3,1566.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0027__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1006.3,1269.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0841217,36.6963435]}},{"type":"Feature","properties":{"resourceCoords":[1290.2,1269.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.082811,36.6963339]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p3","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"16"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1425.9,1671.3 788.7,1672.9 789.4,1913.0 172.9,1913.0 179.9,0.0 1420.9,0.0 1425.9,1671.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1427.0,1771.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0838443,36.7026231]}},{"type":"Feature","properties":{"resourceCoords":[737.0,56.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0852969,36.7058309]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p4","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"15"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1378.7,64.5 1376.6,1803.4 259.1,1808.1 249.8,61.9 1378.7,64.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[814.0,638.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0824777,36.7047327]}},{"type":"Feature","properties":{"resourceCoords":[255.0,1225.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0838054,36.703693]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p5","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"15"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1374.5,96.0 1367.0,1839.0 239.9,1843.0 238.5,101.2 1374.5,96.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[239.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0811865,36.7047037]}},{"type":"Feature","properties":{"resourceCoords":[1367.0,1839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.078712,36.7024859]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p6","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"15"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1313.7,1848.6 44.4,1844.0 70.4,107.2 1341.9,114.2 1313.7,1848.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1178.0,1849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0761131,36.7024194]}},{"type":"Feature","properties":{"resourceCoords":[53.0,681.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.078619,36.7046233]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p7","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1825.1 -0.0,1847.0 -0.0,121.0 1613.0,87.6 1613.0,1825.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[985.0,670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0734149,36.7045071]}},{"type":"Feature","properties":{"resourceCoords":[427.0,1839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0748177,36.7023936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1385.0,0.0 1382.2,699.3 1613.0,701.9 1613.0,1791.2 -0.0,1794.7 -0.0,-0.0 1385.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.09593319721166,36.7028599996009]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.09226376599096,36.70283115861828]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.09230612934894,36.69931733763267]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.09597556056964,36.69934617861529]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ponca City, Oklahoma | 1925 | sanborn07216_009 p9","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T00:45:37Z","modified":"2026-09-23T00:45:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"227.8,797.9 -0.0,796.2 -0.0,0.0 974.0,0.0 967.1,248.4 1486.0,243.1 1488.8,1863.3 232.2,1878.5 227.8,797.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072161925:07216_1925-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[382.0,799.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.091924,36.701536]}},{"type":"Feature","properties":{"resourceCoords":[1515.0,1863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0893462,36.6995412]}}]}}]}