{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05159_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cedar Rapids, Nebraska | 1900 | 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":"7"},{"label":"placed","value":"4"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p2__1 (tier 1, 41.55580,-98.14669 +/-100m); p2__3 (tier 1, 41.56002,-98.14987 +/-100m); p2__4 (tier 1, 41.55674,-98.14813 +/-110m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Nebraska | 1900 | sanborn05159_001 p1","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.66"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T11:57:49Z","modified":"2026-10-18T11:57:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"95.0,837.9 87.6,887.4 10.1,862.8 8.6,835.9 59.1,69.8 866.1,12.3 1510.8,72.1 1577.0,178.2 1571.9,1865.9 63.3,1879.0 40.0,1434.9 61.8,1434.3 213.3,1430.0 281.4,1429.0 156.8,767.2 147.2,770.8 95.0,837.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1299.0,732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.144246,41.558795]}},{"type":"Feature","properties":{"resourceCoords":[665.0,732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.144217,41.559991]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Nebraska | 1900 | sanborn05159_001 p2 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.83"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2303.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2382.4"},{"label":"split_canvas_h","value":"2505.2"}],"created":"2026-10-18T11:57:49Z","modified":"2026-10-18T11:57:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1019.1,605.8 1153.2,599.0 1147.1,12.7 596.7,11.8 588.8,527.4 979.2,534.8 996.5,534.8 996.5,535.1 998.0,535.1 1019.1,605.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[575.9,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.1504944434856,41.5618121184051]}},{"type":"Feature","properties":{"resourceCoords":[1171.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.15049198214807,41.5606735014363]}},{"type":"Feature","properties":{"resourceCoords":[1171.5,626.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.15209043596288,41.56067157369506]}},{"type":"Feature","properties":{"resourceCoords":[575.9,626.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.1520928973004,41.56181019066386]}},{"type":"Feature","properties":{"resourceCoords":[907.1,298.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.151254,41.561178]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0002__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Nebraska | 1900 | sanborn05159_001 p2 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3326.0"},{"label":"split_canvas_y","value":"2489.6"},{"label":"split_canvas_w","value":"3126.0"},{"label":"split_canvas_h","value":"2352.4"}],"created":"2026-10-18T11:57:49Z","modified":"2026-10-18T11:57:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0002__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"916.3,1207.2 1573.7,1202.0 1590.5,651.0 1025.0,648.4 1005.2,832.2 996.5,833.7 996.5,842.0 996.4,842.0 996.4,842.0 948.8,842.0 878.2,854.4 916.3,1207.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0002__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[831.5,622.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.15050462539733,41.557882615046005]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,622.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.15048893051967,41.55937402564108]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1210.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.14898755187043,41.559365210970846]}},{"type":"Feature","properties":{"resourceCoords":[831.5,1210.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.1490032467481,41.55787380037577]}},{"type":"Feature","properties":{"resourceCoords":[1303.2,1009.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.149507,41.558777]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0002__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Nebraska | 1900 | sanborn05159_001 p2 [6]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.53"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3368.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4284.0"}],"created":"2026-10-18T11:57:49Z","modified":"2026-10-18T11:57:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0002__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.0,1852.0 215.7,1848.7 237.3,1848.1 303.9,1847.3 183.6,1199.5 174.2,1202.9 171.3,1206.7 122.9,1268.5 115.6,1316.9 39.8,1292.6 67.7,1852.5 89.0,1852.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194cm:g051591900:05159_1900-0002__6/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1324.0,1852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.14601,41.558772]}},{"type":"Feature","properties":{"resourceCoords":[89.0,1852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.14596,41.561153]}}]}}]}