{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07038_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Chickasha, Oklahoma | 1911 | 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":"31"},{"label":"placed","value":"15"},{"label":"unplaced","value":"16"},{"label":"fit sources","value":"georef 10, georef-snap 5"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p15__1 (tier 1, 35.05667,-97.93654 +/-139m); p15__2 (tier 1, 35.06063,-97.94352 +/-100m); p15__3 (tier 1, 35.05825,-97.94080 +/-100m); p15__4 (tier 1, 35.05085,-97.94007 +/-131m); p15__5 (tier 1, 35.06276,-97.94492 +/-181m); p16__1 (tier 1, 35.05782,-97.93419 +/-126m); p16__2 (tier 3, 35.05663,-97.93270 +/-561m); p17__1 (tier 1, 35.05796,-97.94045 +/-184m); p17__2 (tier 1, 35.05734,-97.94152 +/-100m); p17__4 (tier 1, 35.05727,-97.94014 +/-100m); p17__5 (tier 1, 35.05456,-97.93847 +/-100m); p17__6 (tier 1, 35.05616,-97.94033 +/-100m); p1__1 (tier 3, 35.04145,-97.94262 +/-561m); p1__2 (tier 3, 35.04145,-97.94262 +/-561m); p1__3 (tier 1, 35.04179,-97.94029 +/-100m); p1__4 (tier 1, 35.04233,-97.94087 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000100/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.53"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000100/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000100","type":"ImageService3","width":2164,"height":2577},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"459.6,42.6 458.6,50.8 1714.6,31.9 1913.0,61.8 2029.0,162.7 2113.6,1898.5 2062.6,2525.0 889.4,2476.1 889.2,2512.2 97.4,2502.2 113.2,1716.0 116.2,1313.0 116.3,898.9 142.9,898.8 191.3,121.9 282.3,66.4 459.6,42.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000100/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[106.0,1690.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.93401712676189,35.049981681553874]}},{"type":"Feature","properties":{"resourceCoords":[106.0,2493.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.93399701907565,35.04878265196967]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000110/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p11","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.64"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000110/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000110","type":"ImageService3","width":2164,"height":2572},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"210.0,2571.0 213.9,2188.6 208.0,1970.4 210.0,1529.2 201.5,492.2 210.2,280.2 1063.7,280.2 1063.3,264.9 1913.6,287.3 1911.0,677.0 1922.0,1956.6 1921.5,2474.1 1817.0,2427.9 1134.8,2389.3 1069.0,2400.0 452.6,2524.9 218.7,2446.8 215.6,2571.0 210.0,2571.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000110/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1069.0,2389.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.938305,35.045219]}},{"type":"Feature","properties":{"resourceCoords":[1911.0,677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.9368825,35.0475892]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000120/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000120/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000120","type":"ImageService3","width":2165,"height":2569},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"258.5,1912.7 241.0,642.1 241.6,221.8 241.3,186.4 1076.2,210.1 1076.3,228.6 1928.2,183.4 1928.6,211.7 1943.9,634.8 1946.5,1910.3 1949.7,2334.0 1763.8,2499.3 1299.3,2520.9 1028.0,2454.5 486.4,2524.8 260.6,2426.5 258.5,1912.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000120/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1087.0,1484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.9354489,35.04641]}},{"type":"Feature","properties":{"resourceCoords":[1087.0,2342.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.9354559,35.045214]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000130/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p13","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000130/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000130","type":"ImageService3","width":2179,"height":2570},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.6,2111.0 108.0,907.0 100.5,507.3 101.7,107.2 902.5,116.4 902.7,79.8 2089.3,128.0 2042.7,708.2 2129.4,1074.7 2124.4,2198.5 2093.8,2453.9 2001.7,2516.7 1938.6,2442.8 1352.7,2536.0 85.7,2511.0 89.6,2111.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000130/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[108.0,907.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.933983,35.047588]}},{"type":"Feature","properties":{"resourceCoords":[873.0,2513.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.932567,35.045231]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000140/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p14","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000140/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000140","type":"ImageService3","width":2190,"height":2579},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.0,128.2 59.5,2431.3 184.2,2537.0 491.4,2479.8 2103.6,2500.7 2140.4,1107.8 2134.9,1106.8 2139.1,730.2 2133.4,515.4 2135.7,81.0 440.9,80.9 1.0,80.9 1.0,128.1 62.0,128.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000140/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[439.0,1767.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.942668,35.044036]}},{"type":"Feature","properties":{"resourceCoords":[1276.0,81.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.941234,35.0464073]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000170__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p17 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.27"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4106.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2637.2"},{"label":"split_canvas_h","value":"3102.4"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000170__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000170","type":"ImageService3","width":2166,"height":2584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1052.4,38.7 1060.2,679.5 1646.8,758.6 1657.6,47.9 1052.4,38.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000170__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1630.8,718.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.944091,35.04006]}},{"type":"Feature","properties":{"resourceCoords":[1630.8,83.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.944109,35.041037]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000170__7/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p17 [7]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.44"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4500.8"},{"label":"split_canvas_w","value":"8664.0"},{"label":"split_canvas_h","value":"5835.2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000170__7/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000170","type":"ImageService3","width":2166,"height":2584},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2057.4,2544.8 2109.3,2111.8 2070.0,1196.9 1903.6,1188.1 1672.9,1345.8 1340.2,1365.1 888.1,1680.5 509.3,1773.8 103.4,2079.9 67.2,2375.7 150.6,2467.9 529.7,2531.7 1925.4,2518.9 1924.6,2560.2 2057.4,2544.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000170__7/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[426.0,2490.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.9426956,35.054791]}},{"type":"Feature","properties":{"resourceCoords":[2066.0,2490.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.939772,35.054785]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000020","type":"ImageService3","width":2175,"height":2570},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.1,71.5 991.5,41.8 1436.5,163.3 1954.3,108.9 2028.6,888.3 2049.9,888.5 2044.6,1303.8 2037.7,2142.1 2031.4,2539.8 1238.1,2536.8 475.5,2531.2 476.0,2499.4 81.9,2513.2 63.1,71.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1254.0,1717.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.9441227467275,35.05115642727139]}},{"type":"Feature","properties":{"resourceCoords":[455.0,1717.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.94556967703002,35.05114787154744]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000030","type":"ImageService3","width":2168,"height":2570},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"226.7,2110.6 224.2,1273.9 224.7,859.4 203.5,859.4 120.5,82.4 330.4,57.8 1674.5,70.4 1675.0,47.3 1826.9,45.0 1824.5,853.6 1834.2,1276.2 1839.8,1695.0 1846.0,2508.9 1423.8,2509.3 225.0,2507.5 226.7,2110.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1033.0,1699.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.941232,35.051141]}},{"type":"Feature","properties":{"resourceCoords":[225.0,1699.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.9426981,35.051146]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000040","type":"ImageService3","width":2176,"height":2592},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"146.3,98.1 276.9,83.5 274.4,103.2 1593.0,33.6 1881.0,34.5 1879.3,825.8 1876.8,1209.6 1867.1,1645.7 1871.7,2066.2 1870.8,2478.3 1531.2,2476.9 282.6,2483.0 279.6,2064.1 272.6,1641.3 280.1,832.4 128.1,833.8 146.3,98.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000040/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1097.0,846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.93829702422312,35.05357543498871]}},{"type":"Feature","properties":{"resourceCoords":[1097.0,2476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.93829069454223,35.05115499574451]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p5","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.66"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000050","type":"ImageService3","width":2166,"height":2571},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"202.4,34.0 1677.4,41.0 1786.0,130.2 2020.0,155.4 2099.7,1198.1 2058.7,1595.0 1882.6,1622.4 1793.2,1679.5 1761.4,2453.8 1735.0,2454.5 949.0,2462.0 169.2,2472.3 166.2,2064.3 157.7,1648.0 163.2,1216.2 162.0,836.2 156.2,52.8 202.4,34.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[949.0,833.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.935436,35.053604]}},{"type":"Feature","properties":{"resourceCoords":[949.0,2462.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.9354582,35.0511607]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000060","type":"ImageService3","width":2176,"height":2581},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.6,2537.1 75.0,51.0 475.8,37.6 475.1,70.0 1250.6,77.0 2057.3,81.5 2067.9,485.7 2056.6,893.8 2065.7,1290.2 2055.8,2508.8 1630.8,2505.5 1630.5,2551.0 89.6,2537.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1261.0,1689.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.94409654926875,35.047590973553206]}},{"type":"Feature","properties":{"resourceCoords":[357.0,1689.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.94570641124047,35.047579108722836]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p7","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000070","type":"ImageService3","width":2170,"height":2572},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1480.3,100.8 1908.8,102.1 1912.7,1295.8 1903.2,1529.3 1911.6,2510.1 283.9,2511.8 282.8,1297.8 270.2,903.0 277.8,496.4 263.6,93.9 1480.3,100.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1086.0,2511.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.941234,35.0464073]}},{"type":"Feature","properties":{"resourceCoords":[1086.0,98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.941234,35.049939]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000080","type":"ImageService3","width":2190,"height":2590},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1116.2,2330.4 1116.4,2345.5 275.6,2340.3 277.2,2305.8 281.2,1062.5 284.0,201.9 1603.7,201.3 1962.6,204.4 1955.5,1911.0 1954.0,2324.6 1953.5,2357.6 1116.2,2330.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000080/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[268.0,1056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.93978582352885,35.049941937389214]}},{"type":"Feature","properties":{"resourceCoords":[1127.0,190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.93832124403494,35.05116653983192]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000090/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chickasha, Oklahoma | 1911 | sanborn07038_007 p9","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:03:34Z","modified":"2026-10-19T16:03:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000090/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000090","type":"ImageService3","width":2178,"height":2574},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"208.7,1920.1 222.0,207.9 1057.2,211.5 1899.1,218.3 1900.5,659.9 1898.8,1089.7 1885.0,1928.0 1884.8,2321.8 1036.3,2354.2 1036.5,2335.7 205.9,2299.7 208.7,1920.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07038007:sb000090/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[215.0,1069.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.936884,35.049948]}},{"type":"Feature","properties":{"resourceCoords":[1885.0,1928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.9340125,35.0487688]}}]}}]}