{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05222_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Nelson, Nebraska | 1899 | 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":"5"},{"label":"placed","value":"4"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p2__4 (tier 1, 40.20841,-98.06809 +/-126m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nelson, Nebraska | 1899 | sanborn05222_002 p1","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T15:32:52Z","modified":"2026-10-18T15:32:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"24.3,1015.5 1.0,1015.9 1.0,1186.7 33.9,1171.1 108.5,1701.0 63.8,1792.8 147.8,1873.1 305.2,1869.8 305.0,1782.0 838.6,1784.2 1213.8,1778.7 1366.3,1772.4 1351.8,1813.5 1612.0,1834.5 1612.0,1819.7 1612.0,1817.0 1576.9,1810.0 1542.8,1388.1 1572.2,317.9 1540.8,110.2 1449.5,36.9 1091.6,86.6 571.5,32.9 99.5,73.1 56.1,100.8 38.4,409.8 48.3,474.6 76.3,658.0 96.8,658.0 24.3,1015.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[305.0,658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.068758,40.202569]}},{"type":"Feature","properties":{"resourceCoords":[305.0,1782.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0687002,40.2004451]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nelson, Nebraska | 1899 | sanborn05222_002 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.56"},{"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":"2962.0"}],"created":"2026-10-18T15:32:52Z","modified":"2026-10-18T15:32:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1413.6,97.6 1413.2,115.2 1153.7,88.8 1169.0,48.0 1016.5,51.3 641.5,49.1 108.3,36.2 106.8,124.0 120.8,124.0 106.2,480.6 160.6,718.5 574.9,714.1 666.5,567.9 1510.2,538.2 1552.7,197.1 1509.7,202.5 1498.9,116.3 1413.6,97.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1169.0,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.066075,40.200505]}},{"type":"Feature","properties":{"resourceCoords":[93.0,560.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.068685,40.199454]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nelson, Nebraska | 1899 | sanborn05222_002 p2 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2357.2"},{"label":"split_canvas_w","value":"4789.6"},{"label":"split_canvas_h","value":"3028.4"}],"created":"2026-10-18T15:32:52Z","modified":"2026-10-18T15:32:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1117.8,593.1 1109.6,593.1 1107.1,611.0 702.1,615.1 675.7,734.8 603.3,767.2 63.9,758.5 61.4,1319.4 962.4,1343.5 1033.2,1311.7 1036.5,1129.8 1086.6,1130.2 1166.3,776.5 1145.9,776.0 1122.0,593.2 1117.8,593.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[839.3,769.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.070087,40.202548]}},{"type":"Feature","properties":{"resourceCoords":[291.1,1310.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.071393,40.201476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nelson, Nebraska | 1899 | sanborn05222_002 p2 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.64"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4091.2"},{"label":"split_canvas_y","value":"2375.2"},{"label":"split_canvas_w","value":"2360.8"},{"label":"split_canvas_h","value":"5276.8"}],"created":"2026-10-18T15:32:52Z","modified":"2026-10-18T15:32:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1551.1,1795.0 1502.6,1509.2 1565.9,770.4 1503.3,658.8 1280.5,644.6 1231.3,1083.7 1192.6,1106.9 1192.4,1130.9 1153.0,1130.6 1091.9,1167.2 1070.5,1773.6 1390.8,1857.6 1551.1,1795.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194nm:g052221899:05222_1899-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1055.8,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0688861851334,40.20768313629269]}},{"type":"Feature","properties":{"resourceCoords":[1566.1,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.06759206294305,40.20768403866496]}}]}}]}