{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02786_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Osage, Iowa | 1883 | 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":"6"},{"label":"placed","value":"4"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p2__1 (tier 4, 43.28464,-92.81060 +/-328m); p3__2 (tier 4, 43.28464,-92.81060 +/-328m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osage, Iowa | 1883 | sanborn02786_001 p1","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.04"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:48:32Z","modified":"2026-10-19T17:48:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,816.4 1409.8,813.8 1405.7,1312.1 1403.8,1785.0 1460.3,1785.3 1459.5,1853.8 1258.8,1863.2 95.1,1797.7 102.8,63.9 1015.4,29.5 1416.0,73.0 1518.2,177.8 1523.8,798.9 1612.0,798.4 1612.0,816.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[797.0,1781.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8146509,43.2830652]}},{"type":"Feature","properties":{"resourceCoords":[797.0,355.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8146994,43.2860386]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osage, Iowa | 1883 | sanborn02786_001 p2 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.92"},{"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":"5272.0"}],"created":"2026-10-19T17:48:32Z","modified":"2026-10-19T17:48:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"225.6,1258.2 732.9,1236.8 1376.0,1309.2 1527.5,1189.0 1512.0,1188.7 1510.7,661.7 1512.9,93.5 400.6,94.2 399.4,114.0 176.2,110.0 169.0,660.0 164.4,1182.0 226.8,1182.5 225.6,1258.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[844.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8111717,43.2840793]}},{"type":"Feature","properties":{"resourceCoords":[169.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8129235,43.284058]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osage, Iowa | 1883 | sanborn02786_001 p3 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.80"},{"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":"5290.0"}],"created":"2026-10-19T17:48:32Z","modified":"2026-10-19T17:48:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.1,1314.0 27.7,1317.0 121.2,1247.7 262.6,1278.4 283.2,1314.2 1426.1,1298.0 1505.9,1193.0 1502.8,114.7 1220.0,53.1 1049.0,92.8 986.0,42.1 850.1,103.7 163.4,87.3 137.3,106.2 135.0,670.8 136.2,1194.3 151.7,1194.5 1.1,1314.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[135.0,670.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8094415,43.2840971]}},{"type":"Feature","properties":{"resourceCoords":[1466.0,1216.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8059419,43.2831019]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Osage, Iowa | 1883 | sanborn02786_001 p3 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.75"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4236.0"},{"label":"split_canvas_y","value":"5238.8"},{"label":"split_canvas_w","value":"2216.0"},{"label":"split_canvas_h","value":"2413.2"}],"created":"2026-10-19T17:48:32Z","modified":"2026-10-19T17:48:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1537.6,1797.4 1569.3,1733.7 1520.7,1456.8 1421.5,1406.8 1378.8,1463.4 1343.5,1413.6 1137.7,1420.0 1109.3,1791.1 1477.9,1797.3 1537.6,1797.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154om:g027861883:02786_1883-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1059.0,1309.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.809529118833,43.286122493002665]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1309.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.80808209492179,43.28612633975084]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.80807632755956,43.284979120084515]}},{"type":"Feature","properties":{"resourceCoords":[1059.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.80952335147077,43.28497527333634]}},{"type":"Feature","properties":{"resourceCoords":[1086.0,1340.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8094583,43.2860638]}}]}}]}