{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02787_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Osceola, Iowa | 1913 | 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":"10"},{"label":"placed","value":"7"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 6, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 41.02935,-93.76258 +/-204m); p1__4 (tier 1, 41.03657,-93.76981 +/-100m); p1__7 (tier 1, 41.03011,-93.77440 +/-115m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osceola, Iowa | 1913 | sanborn02787_005 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.69"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2189.6"},{"label":"split_canvas_w","value":"3924.0"},{"label":"split_canvas_h","value":"2140.4"}],"created":"2026-10-18T19:20:55Z","modified":"2026-10-18T19:20:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"176.1,1081.5 176.2,1076.5 850.0,1069.8 900.3,926.4 850.4,567.8 456.1,574.7 355.7,675.0 108.5,674.9 146.9,1081.5 176.1,1081.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[161.0,946.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.763779,41.0377591]}},{"type":"Feature","properties":{"resourceCoords":[914.0,946.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7619006,41.0377601]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osceola, Iowa | 1913 | sanborn02787_005 p1 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.69"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3910.0"},{"label":"split_canvas_y","value":"2189.6"},{"label":"split_canvas_w","value":"2542.0"},{"label":"split_canvas_h","value":"2140.4"}],"created":"2026-10-18T19:20:55Z","modified":"2026-10-18T19:20:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1599.9,1052.2 1596.8,564.5 1003.6,573.8 993.3,969.5 1013.9,1047.5 1599.9,1052.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[977.5,547.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76799218041211,41.029821367887656]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,547.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76638276711358,41.02983121651861]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1082.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76637178426692,41.02880999052111]}},{"type":"Feature","properties":{"resourceCoords":[977.5,1082.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76798119756545,41.02880014189016]}},{"type":"Feature","properties":{"resourceCoords":[1148.4,662.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7675571,41.0296045]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osceola, Iowa | 1913 | sanborn02787_005 p1 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.56"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1620.8"},{"label":"split_canvas_y","value":"4330.0"},{"label":"split_canvas_w","value":"2312.8"},{"label":"split_canvas_h","value":"1500.0"}],"created":"2026-10-18T19:20:55Z","modified":"2026-10-18T19:20:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"953.8,1247.0 897.1,1260.3 849.2,1146.8 516.8,1156.0 529.5,1254.9 429.7,1309.8 442.7,1387.5 958.4,1416.3 953.8,1247.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[405.2,1082.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77287569028466,41.031591750135824]}},{"type":"Feature","properties":{"resourceCoords":[983.4,1082.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77285414786498,41.03048852765795]}},{"type":"Feature","properties":{"resourceCoords":[983.4,1457.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77380555301548,41.03047795675467]}},{"type":"Feature","properties":{"resourceCoords":[405.2,1457.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77382709543517,41.031581179232546]}},{"type":"Feature","properties":{"resourceCoords":[934.4,1339.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7735088,41.0305748]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osceola, Iowa | 1913 | sanborn02787_005 p1 [6]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3924.0"},{"label":"split_canvas_y","value":"4330.0"},{"label":"split_canvas_w","value":"2528.0"},{"label":"split_canvas_h","value":"3322.0"}],"created":"2026-10-18T19:20:55Z","modified":"2026-10-18T19:20:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1563.1,1114.5 1022.4,1107.1 1022.1,1127.5 1080.3,1136.0 1048.0,1778.5 1280.5,1843.5 1555.9,1802.9 1523.5,1350.7 1562.8,1154.0 1563.1,1114.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0001__6/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1563.1,1114.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7694564,41.0320306]}},{"type":"Feature","properties":{"resourceCoords":[1563.1,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7694446,41.0306085]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osceola, Iowa | 1913 | sanborn02787_005 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:20:55Z","modified":"2026-10-18T19:20:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.5,461.6 112.2,176.1 74.9,55.7 1091.5,12.2 1327.3,87.0 1501.8,84.4 1546.1,487.1 1575.1,486.7 1580.2,1797.7 1534.5,1871.9 1227.0,1865.1 821.0,1868.0 772.2,1886.1 81.7,1902.2 71.3,1511.3 61.2,1511.5 52.5,461.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1558.0,353.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.763779,41.0377591]}},{"type":"Feature","properties":{"resourceCoords":[821.0,1868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7656881,41.0349069]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osceola, Iowa | 1913 | sanborn02787_005 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:20:55Z","modified":"2026-10-18T19:20:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1523.1,52.0 51.7,49.9 49.0,1852.2 244.3,1879.6 244.4,1859.2 784.0,1864.0 788.2,1881.4 1499.2,1882.5 1498.5,1912.0 1525.8,1912.0 1525.1,1493.0 1516.1,1109.9 1537.2,1026.8 1535.7,744.5 1537.5,387.0 1533.5,1.0 1523.5,1.0 1523.1,52.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[784.0,1124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7694592,41.0334485]}},{"type":"Feature","properties":{"resourceCoords":[784.0,1864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7694564,41.0320306]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osceola, Iowa | 1913 | sanborn02787_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T19:20:55Z","modified":"2026-10-18T19:20:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"798.0,45.2 846.9,28.3 1250.5,33.8 1556.2,47.0 1553.2,51.6 1611.0,1013.9 1556.2,1869.4 113.3,1881.8 57.0,1839.0 64.8,1579.8 92.3,1578.9 93.5,1158.0 86.3,773.0 107.9,689.7 107.7,406.1 111.1,46.9 798.0,45.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027871913:02787_1913-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[851.0,782.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.76566601193049,41.03346941295922]}},{"type":"Feature","properties":{"resourceCoords":[851.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.76567744046729,41.03488076741813]}}]}}]}