{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07039_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Choteau, Oklahoma | 1917 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"8"},{"label":"placed","value":"2"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 36.18571,-95.34720 +/-132m); p1__3 (tier 4, 36.18571,-95.34720 +/-132m); p1__4 (tier 4, 36.18571,-95.34720 +/-132m); p1__5 (tier 4, 36.18571,-95.34720 +/-132m); p1__7 (tier 4, 36.18571,-95.34720 +/-132m); p1__8 (tier 4, 36.18571,-95.34720 +/-132m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07039004:sb000010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Choteau, Oklahoma | 1917 | sanborn07039_004 p1 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.16"},{"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":"8708.0"},{"label":"split_canvas_h","value":"10308.0"}],"created":"2026-10-18T01:28:21Z","modified":"2026-10-18T01:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07039004:sb000010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07039004:sb000010","type":"ImageService3","width":2177,"height":2577},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2035.9,2494.6 2154.9,688.0 2107.3,59.4 1597.8,35.8 1552.5,215.8 1552.5,380.1 1552.5,409.0 1552.3,409.0 1502.0,416.5 1257.0,406.0 1201.5,68.4 868.6,55.2 809.5,417.2 809.5,444.0 805.1,444.0 803.8,452.1 403.4,446.1 378.5,560.1 378.5,565.0 377.4,565.0 377.2,565.9 124.5,573.4 43.9,913.5 58.0,1867.3 429.4,1876.4 429.6,1877.5 433.2,1877.5 432.9,1924.3 449.7,2157.0 791.2,2159.5 792.1,2163.7 800.0,2163.7 800.0,2200.7 830.0,2340.6 1219.5,2338.0 1219.5,2140.8 1219.5,2140.8 1227.0,2132.5 1549.2,2137.1 1549.7,2142.4 1557.2,2142.4 1556.6,2226.4 1582.0,2532.7 1666.9,2533.9 2035.9,2494.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07039004:sb000010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1213.0,2527.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.345993,36.1846383]}},{"type":"Feature","properties":{"resourceCoords":[426.0,2527.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3473422,36.1847546]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07039004:sb000010__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Choteau, Oklahoma | 1917 | sanborn07039_004 p1 [6]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.48"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"8654.8"},{"label":"split_canvas_w","value":"1725.6"},{"label":"split_canvas_h","value":"1653.2"}],"created":"2026-10-18T01:28:21Z","modified":"2026-10-18T01:28:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07039004:sb000010__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07039004:sb000010","type":"ImageService3","width":2177,"height":2577},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"211.7,2549.6 412.9,2515.8 410.9,2174.4 106.1,2240.1 51.0,2188.1 1.0,2567.2 1.0,2574.4 195.1,2493.0 211.7,2549.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024cm:g07039004:sb000010__6/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,2163.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34875343480884,36.185372687914544]}},{"type":"Feature","properties":{"resourceCoords":[431.4,2163.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34801561232878,36.18530141969024]}},{"type":"Feature","properties":{"resourceCoords":[431.4,2577.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.3481005493146,36.18473020795872]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2577.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-95.34883837179466,36.184801476183026]}},{"type":"Feature","properties":{"resourceCoords":[74.1,2501.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.3486961,36.1848941]}}]}}]}