{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07214_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Picher, Oklahoma | 1920 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"97"},{"label":"placed","value":"8"},{"label":"unplaced","value":"89"},{"label":"fit sources","value":"snap:0 3, georef 3, georef-snap 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"14 sheet(s) cut into 95 panels"},{"label":"unplaced pages","value":"p10__1 (tier 3, 36.94868,-94.82161 +/-809m); p10__2 (tier 3, 36.94868,-94.82161 +/-809m); p10__3 (tier 3, 36.94868,-94.82161 +/-809m); p10__4 (tier 3, 36.94868,-94.82161 +/-809m); p10__5 (tier 3, 36.94868,-94.82161 +/-809m); p10__6 (tier 3, 36.94868,-94.82161 +/-809m); p10__7 (tier 3, 36.94868,-94.82161 +/-809m); p11__1 (tier 1, 36.98512,-94.83362 +/-100m); p11__2 (tier 3, 36.96736,-94.82661 +/-2288m); p11__3 (tier 3, 36.96736,-94.82661 +/-2288m); p11__4 (tier 3, 36.96736,-94.82661 +/-2288m); p11__5 (tier 3, 36.96736,-94.82661 +/-2288m); p11__6 (tier 3, 36.96736,-94.82661 +/-2288m); p11__7 (tier 3, 36.96736,-94.82661 +/-2288m); p11__8 (tier 1, 36.98441,-94.83471 +/-106m); p11__9 (tier 3, 36.96736,-94.82661 +/-2288m); p12__1 (tier 3, 36.95911,-94.82560 +/-2344m); p12__2 (tier 3, 36.95911,-94.82560 +/-2344m); p12__3 (tier 3, 36.95911,-94.82560 +/-2344m); p12__4 (tier 3, 36.95911,-94.82560 +/-2344m); p12__5 (tier 3, 36.95911,-94.82560 +/-2344m); p12__6 (tier 3, 36.95911,-94.82560 +/-2344m); p12__7 (tier 3, 36.95911,-94.82560 +/-2344m); p12__8 (tier 3, 36.95911,-94.82560 +/-2344m); p12__9 (tier 3, 36.95911,-94.82560 +/-2344m); p13__1 (tier 4, 36.98315,-94.83172 +/-1062m); p13__2 (tier 4, 36.98315,-94.83172 +/-1062m); p13__3 (tier 4, 36.98315,-94.83172 +/-1062m); p13__4 (tier 4, 36.98315,-94.83172 +/-1062m); p13__5 (tier 4, 36.98315,-94.83172 +/-1062m); p13__6 (tier 4, 36.98315,-94.83172 +/-1062m); p13__7 (tier 4, 36.98315,-94.83172 +/-1062m); p13__8 (tier 4, 36.98315,-94.83172 +/-1062m); p14__1 (tier 3, 36.96891,-94.84662 +/-809m); p14__2 (tier 3, 36.96891,-94.84662 +/-809m); p14__3 (tier 3, 36.96891,-94.84662 +/-809m); p14__4 (tier 3, 36.96891,-94.84662 +/-809m); p14__5 (tier 3, 36.96891,-94.84662 +/-809m); p14__6 (tier 3, 36.96891,-94.84662 +/-809m); p14__7 (tier 3, 36.96891,-94.84662 +/-809m); p14__8 (tier 3, 36.96891,-94.84662 +/-809m); p14__9 (tier 3, 36.96891,-94.84662 +/-809m); p15__1 (tier 1, 36.97319,-94.83635 +/-133m); p15__2 (tier 3, 36.97491,-94.83910 +/-809m); p15__3 (tier 1, 36.97643,-94.83975 +/-100m); p15__4 (tier 1, 36.97661,-94.83877 +/-100m); p15__5 (tier 1, 36.97633,-94.84114 +/-100m); p15__6 (tier 3, 36.97491,-94.83910 +/-809m); p15__7 (tier 3, 36.97491,-94.83910 +/-809m); p16__2 (tier 1, 36.97850,-94.83116 +/-100m); p16__3 (tier 3, 36.97675,-94.83131 +/-809m); p16__4 (tier 3, 36.97675,-94.83131 +/-809m); p16__5 (tier 1, 36.97719,-94.83132 +/-110m); p16__6 (tier 1, 36.97549,-94.83242 +/-114m); p17__1 (tier 4, 36.98315,-94.83172 +/-1062m); p17__2 (tier 4, 36.98315,-94.83172 +/-1062m); p17__3 (tier 4, 36.98315,-94.83172 +/-1062m); p17__4 (tier 4, 36.98315,-94.83172 +/-1062m); p17__5 (tier 4, 36.98315,-94.83172 +/-1062m); p17__6 (tier 4, 36.98315,-94.83172 +/-1062m); p17__7 (tier 4, 36.98315,-94.83172 +/-1062m); p17__8 (tier 4, 36.98315,-94.83172 +/-1062m); p17__9 (tier 4, 36.98315,-94.83172 +/-1062m); p2__1 (tier 3, 36.96026,-94.82155 +/-809m); p5__2 (tier 1, 36.97753,-94.84019 +/-104m); p5__3 (tier 2, 36.98192,-94.83068 +/-100m); p6__1 (tier 1, 36.98735,-94.83590 +/-100m); p6__2 (tier 1, 36.98312,-94.84001 +/-100m); p6__3 (tier 1, 36.97786,-94.83336 +/-114m); p6__4 (tier 1, 36.98724,-94.82233 +/-156m); p6__5 (tier 1, 36.98250,-94.83951 +/-117m); p6__6 (tier 1, 36.99837,-94.83083 +/-100m); p7__1 (tier 1, 36.98683,-94.83172 +/-100m); p7__2 (tier 2, 36.98727,-94.83427 +/-100m); p7__3 (tier 1, 36.98750,-94.83011 +/-102m); p8__1 (tier 3, 36.97798,-94.83514 +/-3252m); p8__2 (tier 1, 36.99311,-94.82664 +/-100m); p8__3 (tier 3, 36.97798,-94.83514 +/-3252m); p8__4 (tier 3, 36.97798,-94.83514 +/-3252m); p8__5 (tier 3, 36.97798,-94.83514 +/-3252m); p8__6 (tier 3, 36.97798,-94.83514 +/-3252m); p8__7 (tier 3, 36.97798,-94.83514 +/-3252m); p8__8 (tier 3, 36.97798,-94.83514 +/-3252m); p8__9 (tier 3, 36.97798,-94.83514 +/-3252m); p9__1 (tier 1, 36.99262,-94.82940 +/-124m); p9__2 (tier 1, 36.99271,-94.83063 +/-127m); p9__3 (tier 1, 36.99073,-94.82872 +/-100m); p9__5 (tier 1, 36.99261,-94.82863 +/-100m); p9__6 (tier 3, 36.98224,-94.82936 +/-3749m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Picher, Oklahoma | 1920 | sanborn07214_001 p16 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.36"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2072.0"},{"label":"split_canvas_h","value":"2380.4"}],"created":"2026-10-19T16:16:04Z","modified":"2026-10-19T16:16:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"58.5,37.5 89.5,534.1 451.2,528.2 488.0,143.7 220.7,32.2 58.5,37.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.82993221943079,36.979573635871866]}},{"type":"Feature","properties":{"resourceCoords":[518.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.82874854382548,36.979500006082056]}},{"type":"Feature","properties":{"resourceCoords":[518.0,595.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.82885366874325,36.97840616305969]}},{"type":"Feature","properties":{"resourceCoords":[0.0,595.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.83003734434855,36.9784797928495]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0016__7/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Picher, Oklahoma | 1920 | sanborn07214_001 p16 [7]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.23"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5228.0"},{"label":"split_canvas_w","value":"2850.0"},{"label":"split_canvas_h","value":"2424.0"}],"created":"2026-10-19T16:16:04Z","modified":"2026-10-19T16:16:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0016__7/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.5,1333.5 76.7,1509.2 113.2,1873.5 495.6,1912.0 499.7,1912.0 673.0,1845.8 680.8,1320.7 367.6,1329.3 297.4,1400.3 171.1,1394.9 121.5,1333.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0016__7/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1307.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.83334247401841,36.9766484412494]}},{"type":"Feature","properties":{"resourceCoords":[712.5,1307.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.83172718201426,36.97670450127951]}},{"type":"Feature","properties":{"resourceCoords":[712.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.83166795752511,36.97559999234017]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.83328324952926,36.97554393231007]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_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":"Picher, Oklahoma | 1920 | sanborn07214_001 p2 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.79"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T16:16:04Z","modified":"2026-10-19T16:16:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1521.7,1844.0 1562.4,1779.5 1552.8,1779.6 1564.2,538.5 1570.5,538.5 1490.8,30.2 1435.3,2.7 128.7,58.2 40.5,414.9 51.2,1610.3 118.2,1669.5 370.6,1668.8 370.8,1670.5 377.0,1670.5 377.6,1720.3 385.8,1780.2 623.6,1868.7 1521.7,1844.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[163.0,550.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8373123,36.9842551]}},{"type":"Feature","properties":{"resourceCoords":[627.0,1782.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8362646,36.9820146]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Picher, Oklahoma | 1920 | sanborn07214_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:16:04Z","modified":"2026-10-19T16:16:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.3,1853.3 132.2,614.4 138.5,614.5 64.8,106.1 98.4,123.2 225.0,57.6 966.6,34.6 1530.7,95.7 1529.7,596.3 1524.3,1116.5 1521.2,1706.3 1517.2,1876.9 580.7,1857.7 106.3,1853.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[125.0,1090.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.83413223657219,36.98340364025732]}},{"type":"Feature","properties":{"resourceCoords":[1524.0,1096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.83094564699539,36.983415530450145]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Picher, Oklahoma | 1920 | sanborn07214_001 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:16:04Z","modified":"2026-10-19T16:16:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"129.3,1631.0 126.1,1045.7 125.9,529.4 121.6,32.6 451.6,64.7 1408.0,26.1 1540.7,158.4 1496.7,217.3 1541.0,327.6 1489.6,371.9 1505.0,754.4 1593.7,953.0 1543.8,1850.7 219.4,1875.2 218.8,1894.0 127.4,1816.0 127.2,1800.4 129.3,1631.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[997.0,1043.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8289458,36.9833803]}},{"type":"Feature","properties":{"resourceCoords":[565.0,522.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8299351,36.9843369]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Picher, Oklahoma | 1920 | sanborn07214_001 p5 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.43"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T16:16:04Z","modified":"2026-10-19T16:16:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1488.0,148.7 562.0,138.0 102.5,138.0 62.1,201.5 77.3,1601.5 429.1,1601.5 430.5,1604.5 435.0,1604.5 435.2,1615.1 531.8,1828.7 1037.5,1872.6 1147.4,1396.2 1074.1,1242.2 1074.1,1029.7 1159.6,972.6 1159.6,970.9 1255.2,970.2 1513.9,963.6 1557.8,912.3 1579.2,242.0 1488.2,164.2 1488.0,148.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[93.0,138.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8341591,36.9820145]}},{"type":"Feature","properties":{"resourceCoords":[562.0,138.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.8330786,36.9820144]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0006__7/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Picher, Oklahoma | 1920 | sanborn07214_001 p6 [7]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4260.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3391.2"}],"created":"2026-10-19T16:16:04Z","modified":"2026-10-19T16:16:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0006__7/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1052.9,1118.8 92.6,1108.2 41.1,1160.1 59.0,1891.1 1063.7,1909.0 1152.0,1842.2 1484.3,1833.4 1557.7,1714.9 1534.7,1508.2 1342.0,1440.8 1323.3,1440.9 1323.3,1440.1 1323.2,1434.2 1305.3,1428.0 1267.8,1273.0 1052.9,1118.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0006__7/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[971.0,1714.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.83548641941735,36.987083852343446]}},{"type":"Feature","properties":{"resourceCoords":[67.0,1714.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.83755315420231,36.98709088049126]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0009__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Picher, Oklahoma | 1920 | sanborn07214_001 p9 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.13"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2937.2"},{"label":"split_canvas_y","value":"3908.0"},{"label":"split_canvas_w","value":"3514.8"},{"label":"split_canvas_h","value":"2482.0"}],"created":"2026-10-19T16:16:04Z","modified":"2026-10-19T16:16:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0009__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1574.9,1245.5 1475.1,1057.1 911.5,1011.8 841.8,1077.0 765.0,1496.3 812.8,1578.8 1013.3,1593.3 1076.2,1421.3 1538.4,1391.2 1508.5,1288.6 1574.9,1245.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024pm:g4024pm_g072141920:07214_1920-0009__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[734.3,977.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.82511169330448,36.99224494841074]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,977.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.82482211887867,36.99066534718191]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1597.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.82620954000816,36.99050079455765]}},{"type":"Feature","properties":{"resourceCoords":[734.3,1597.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-94.82649911443397,36.99208039578648]}}]}}]}