{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn06968_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ada, Oklahoma | 1920 | 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":"25"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 19, georef-snap 6"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 19 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 34.77652,-96.67864 +/-230m); p18__2 (tier 1, 34.76888,-96.67677 +/-100m); p20__10 (tier 2, 34.77777,-96.67932 +/-593m); p20__3 (tier 1, 34.78140,-96.68510 +/-100m); p20__5 (tier 2, 34.77777,-96.67932 +/-593m); p20__6 (tier 2, 34.77777,-96.67932 +/-593m); p20__7 (tier 1, 34.77990,-96.67675 +/-100m); p21 (tier 4, 34.77453,-96.67906 +/-1446m); p8__3 (tier 1, 34.77362,-96.68028 +/-100m); p8__4 (tier 1, 34.77345,-96.67926 +/-100m); p8__5 (tier 1, 34.77363,-96.68013 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1586.2,63.0 1585.8,1841.8 564.2,1845.0 563.8,1739.6 31.9,1735.2 -0.0,80.8 1586.2,63.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.67347757539937,34.77574857516329]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.66988995930264,34.775745814700564]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.66989391706443,34.77222616529017]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.67348153316117,34.7722289257529]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p11","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,166.1 1522.2,173.9 1520.7,1806.7 87.7,1806.8 88.0,1913.0 -0.0,1913.0 -0.0,166.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[808.0,662.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6850806,34.7713011]}},{"type":"Feature","properties":{"resourceCoords":[1525.0,1232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6834821,34.7702588]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p12","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.4,1812.0 91.9,109.3 799.4,103.3 799.0,168.1 1523.0,167.5 1520.8,1806.4 87.4,1812.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[91.0,674.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.683489,34.7713002]}},{"type":"Feature","properties":{"resourceCoords":[807.0,1809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6818795,34.7692159]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p13","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1533.2,1808.8 67.8,1812.6 57.9,187.6 1522.6,191.3 1533.2,1808.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1526.0,1240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6770239,34.7702598]}},{"type":"Feature","properties":{"resourceCoords":[798.0,1809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6786531,34.7692241]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p14","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"179.5,1785.7 32.7,1783.3 44.0,103.2 744.2,100.8 743.7,164.6 1587.7,170.9 1589.0,0.0 1613.0,0.0 1613.0,1913.0 176.9,1913.0 179.5,1785.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[735.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6754428,34.7713217]}},{"type":"Feature","properties":{"resourceCoords":[735.0,1795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6754209,34.7692073]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1913.0 -0.0,0.0 530.1,0.0 531.5,105.0 1549.6,93.5 1560.2,781.8 1613.0,781.7 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.67341008581342,34.77255599452451]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.66981093320473,34.77252869434912]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.66985007280097,34.76899758990831]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.67344922540966,34.7690248900837]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 15.9,20.6 1419.7,20.1 1429.7,1120.3 1589.5,1123.5 1585.8,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.68671997095689,34.769243500913156]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.68305100654557,34.76924494910494]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.68304893039172,34.76564520813056]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.68671789480304,34.765643759938776]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1515.2,18.5 1514.0,1913.0 266.7,1913.0 270.9,1131.8 110.7,1128.5 101.3,26.0 1515.2,18.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.68372067379839,34.76925569574683]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.6800591659467,34.7692588757611]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.68005460702041,34.76566645105922]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.6837161148721,34.76566327104494]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0018__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p18 [1]","metadata":[{"label":"streets","value":"10"},{"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":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0018__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"74.0,1913.0 1613.0,1913.0 1613.0,1149.8 1613.0,8.8 50.4,23.2 71.0,1680.3 74.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[64.0,1131.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6802805,34.7671272]}},{"type":"Feature","properties":{"resourceCoords":[1474.0,562.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6770164,34.768172]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.6,1913.0 42.4,384.2 346.8,390.0 343.7,0.0 1613.0,0.0 1613.0,1913.0 54.6,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.67012708399464,34.778089499056996]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.66299020772054,34.77804790771095]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.66304983895273,34.77104628724285]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.67018671522683,34.771087878588894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p20 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"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":"4436.4"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,288.9 1374.9,294.0 901.5,307.0 900.2,0.0 847.4,0.0 844.5,60.8 373.5,38.4 375.3,0.0 0.0,0.0 -0.0,694.6 94.3,695.2 93.3,901.4 437.1,896.0 765.0,890.2 768.9,1109.1 820.5,1108.6 1395.6,1102.3 1395.9,1102.2 1613.0,1100.4 1613.0,288.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[96.0,322.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6786703,34.7797739]}},{"type":"Feature","properties":{"resourceCoords":[820.0,322.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6770262,34.7797848]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p20 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3600.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1899.2"},{"label":"split_canvas_h","value":"1228.0"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"900.2,-0.0 901.5,307.0 1374.9,294.0 1375.0,0.0 900.2,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[900.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.67801807704042,34.780875258090454]}},{"type":"Feature","properties":{"resourceCoords":[1375.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.67694802266936,34.78084054311779]}},{"type":"Feature","properties":{"resourceCoords":[1375.0,307.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.6769753369424,34.780272446036015]}},{"type":"Feature","properties":{"resourceCoords":[900.2,307.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.67804539131346,34.78030716100868]}},{"type":"Feature","properties":{"resourceCoords":[1332.0,12.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6770471,34.7808212]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p20 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3584.0"},{"label":"split_canvas_w","value":"1791.6"},{"label":"split_canvas_h","value":"1635.2"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1304.8 447.9,1296.5 437.1,896.0 0.0,902.9 0.0,1304.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,896.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.69161978013905,34.77509474511995]}},{"type":"Feature","properties":{"resourceCoords":[447.9,896.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.69061019345727,34.77507052823582]}},{"type":"Feature","properties":{"resourceCoords":[447.9,1304.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.69063717409182,34.77431156384048]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1304.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.6916467607736,34.774335780724606]}},{"type":"Feature","properties":{"resourceCoords":[77.0,1233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6914622,34.7745419]}},{"type":"Feature","properties":{"resourceCoords":[77.0,1233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6914685,34.7744649]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__8/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p20 [8]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5154.8"},{"label":"split_canvas_w","value":"3366.4"},{"label":"split_canvas_h","value":"2497.2"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__8/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1913.0 841.6,1913.0 829.9,1444.0 829.9,1443.8 825.6,1288.7 772.0,1289.8 447.9,1296.5 0.0,1304.8 0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__8/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[98.0,1344.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6866941,34.7818461]}},{"type":"Feature","properties":{"resourceCoords":[792.6,1344.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.685083,34.7818406]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__9/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p20 [9]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3319.6"},{"label":"split_canvas_y","value":"5752.4"},{"label":"split_canvas_w","value":"2270.4"},{"label":"split_canvas_h","value":"1899.6"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__9/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1005.0,1913.0 1296.0,1913.0 1397.5,1913.0 1396.6,1438.1 840.4,1443.9 829.9,1443.8 829.9,1444.0 841.6,1913.0 1005.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0020__9/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[829.9,1438.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.6852490999338,34.78713056986386]}},{"type":"Feature","properties":{"resourceCoords":[1397.5,1438.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.6839663468678,34.787140654694554]}},{"type":"Feature","properties":{"resourceCoords":[1397.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.68395609795006,34.78626103214998]}},{"type":"Feature","properties":{"resourceCoords":[829.9,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.68523885101605,34.78625094731929]}},{"type":"Feature","properties":{"resourceCoords":[857.8,1474.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6851852,34.7870644]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p2 [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":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.6,1445.8 113.2,1752.2 108.5,1781.6 98.0,1803.5 78.2,1820.0 -0.0,1840.4 -0.0,1913.0 510.0,1913.0 798.0,1913.0 807.2,1913.0 807.3,1861.7 1518.3,1850.8 1518.7,0.0 821.0,0.0 812.0,420.6 0.0,423.8 -0.0,1450.4 94.6,1445.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[103.0,741.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6819076,34.7776792]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,741.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6786615,34.7776835]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p2 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3284.0"},{"label":"split_canvas_h","value":"1695.2"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,377.4 705.0,398.9 813.8,337.7 821.0,0.0 -0.0,-0.0 -0.0,377.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[99.0,381.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.683495,34.7755866]}},{"type":"Feature","properties":{"resourceCoords":[786.0,381.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6819604,34.7756488]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1492.1,1856.1 92.0,1856.0 92.4,424.4 1590.5,413.9 1587.7,0.0 1613.0,0.0 1613.0,620.0 1496.0,860.4 1492.1,1856.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[808.0,1856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.677011,34.7755968]}},{"type":"Feature","properties":{"resourceCoords":[92.0,1856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6786613,34.7755953]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1508.5,1862.3 80.1,1867.8 80.2,847.1 199.2,600.2 196.9,0.0 1500.1,0.0 1508.5,1862.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1506.0,1302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6722244,34.7766359]}},{"type":"Feature","properties":{"resourceCoords":[79.0,1302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6754333,34.7766431]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p5","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"19.4,1872.8 17.7,0.0 1613.0,0.0 1613.0,1310.1 1019.8,1294.0 1020.1,1858.3 19.4,1872.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[720.0,756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6706336,34.7776852]}},{"type":"Feature","properties":{"resourceCoords":[720.0,1861.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6706313,34.7756243]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1465.8,0.0 1470.1,81.0 1569.2,80.0 1579.5,1913.0 -0.0,1913.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.68700381036955,34.77574740194806]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.68339628388073,34.775734254898964]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.68341513321658,34.7721950723345]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.6870226597054,34.77220821938359]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p7","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.7,1853.6 93.4,90.5 697.9,79.7 697.8,153.8 1522.4,155.3 1521.8,635.0 1613.0,634.1 1613.0,677.8 1521.8,677.9 1518.6,1913.0 795.6,1913.0 796.1,1848.3 89.7,1853.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[808.0,682.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6818892,34.7745014]}},{"type":"Feature","properties":{"resourceCoords":[96.0,682.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6834847,34.774497]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p8 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"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":"2374.0"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1556.4,68.6 97.0,63.0 91.3,577.2 406.6,567.9 693.8,558.2 737.0,556.8 736.9,554.7 739.2,554.9 1540.9,590.3 1556.4,68.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[822.0,60.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6786613,34.7755953]}},{"type":"Feature","properties":{"resourceCoords":[97.0,63.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6802901,34.7755725]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p8 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2219.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5432.4"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1548.5,1913.0 1541.7,590.4 1534.5,590.0 1534.2,591.6 740.1,607.7 742.3,721.7 683.5,721.9 412.5,722.8 435.1,1318.8 384.5,1318.2 93.9,1315.5 98.7,1913.0 1548.5,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1542.0,1241.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6770239,34.7734238]}},{"type":"Feature","properties":{"resourceCoords":[824.0,1829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6786508,34.7723457]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ada, Oklahoma | 1920 | sanborn06968_005 p9","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-23T10:22:29Z","modified":"2026-09-23T10:22:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"762.0,1913.0 762.0,1848.8 55.9,1856.5 62.0,98.0 1613.0,97.9 1613.0,1913.0 762.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069681920:06968_1920-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[763.0,98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6754343,34.7755981]}},{"type":"Feature","properties":{"resourceCoords":[62.0,98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.677011,34.7755968]}}]}}]}