{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05187_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Genoa, Nebraska | 1909 | 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":"6"},{"label":"placed","value":"4"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__3 (tier 1, 41.45282,-97.72997 +/-104m); p1__4 (tier 1, 41.44877,-97.73394 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Genoa, Nebraska | 1909 | sanborn05187_002 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"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":"5306.4"}],"created":"2026-10-18T14:14:12Z","modified":"2026-10-18T14:14:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1560.2,30.1 1556.0,86.5 1475.8,36.0 103.1,49.6 38.0,115.3 82.1,224.0 70.8,928.4 209.2,1000.4 608.6,998.5 943.5,1149.5 1255.8,1155.3 1342.7,1082.3 1560.5,1081.3 1539.5,1159.9 1568.4,1160.0 1569.5,607.0 1567.9,607.0 1567.5,30.0 1560.2,30.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1054.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.73311515728881,41.44958452914657]}},{"type":"Feature","properties":{"resourceCoords":[1546.0,597.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.73190232720087,41.44856818421267]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Genoa, Nebraska | 1909 | sanborn05187_002 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"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":"4010.0"},{"label":"split_canvas_w","value":"2458.0"},{"label":"split_canvas_h","value":"1284.0"}],"created":"2026-10-18T14:14:12Z","modified":"2026-10-18T14:14:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"271.3,1068.8 16.1,1023.9 13.8,1305.6 61.4,1192.1 239.9,1301.7 536.4,1275.5 590.5,1133.8 560.5,1035.8 271.3,1068.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[70.0,1058.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7307051,41.444428]}},{"type":"Feature","properties":{"resourceCoords":[559.5,1058.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7294591,41.444412]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Genoa, Nebraska | 1909 | sanborn05187_002 p1 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2862.0"},{"label":"split_canvas_y","value":"5298.4"},{"label":"split_canvas_w","value":"734.0"},{"label":"split_canvas_h","value":"2353.6"}],"created":"2026-10-18T14:14:12Z","modified":"2026-10-18T14:14:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"762.6,1897.5 896.4,1894.2 869.4,1337.7 735.6,1341.0 762.6,1897.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[715.5,1324.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.72564129720205,41.449118090368785]}},{"type":"Feature","properties":{"resourceCoords":[899.0,1324.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.72517251202719,41.449109935919026]}},{"type":"Feature","properties":{"resourceCoords":[899.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.72520731835905,41.44798454030872]}},{"type":"Feature","properties":{"resourceCoords":[715.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.72567610353391,41.447992694758476]}},{"type":"Feature","properties":{"resourceCoords":[737.5,1630.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7256033,41.4485334]}},{"type":"Feature","properties":{"resourceCoords":[737.5,1630.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7256033,41.4485334]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Genoa, Nebraska | 1909 | sanborn05187_002 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T14:14:12Z","modified":"2026-10-18T14:14:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.7,1851.1 35.4,1763.8 45.1,180.8 132.2,34.6 1343.2,38.2 1460.1,110.8 1380.2,198.6 1389.5,869.6 1427.2,1270.8 1485.6,1277.8 1494.5,1795.8 1347.5,1883.3 1347.5,1854.3 792.0,1852.4 792.0,1854.0 212.4,1853.5 212.5,1860.8 86.7,1851.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194gm:g051871909:05187_1909-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[792.0,844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7293564,41.4485453]}},{"type":"Feature","properties":{"resourceCoords":[792.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.7318482,41.448551]}}]}}]}