{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08278_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Woonsocket, South-Dakota | 1884 | 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":"2"},{"label":"placed","value":"1"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 44.05303,-98.27576 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082781884:08278_1884-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woonsocket, South-Dakota | 1884 | sanborn08278_001 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-18T00:40:40Z","modified":"2026-10-18T00:40:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082781884:08278_1884-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082781884:08278_1884-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"107.6,1855.9 1054.3,1877.0 1083.0,1834.0 1563.5,1869.7 1527.6,1604.3 1577.8,1546.9 1534.7,1482.4 1592.0,1367.6 1591.9,1030.5 1534.5,958.8 1283.5,958.9 1226.0,693.5 1254.6,542.9 1505.6,492.6 1505.5,141.2 1247.2,55.2 738.0,19.6 343.5,41.2 300.5,91.5 250.3,55.6 228.8,113.0 142.7,113.0 107.6,1855.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082781884:08278_1884-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1353.0,1559.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.2743519,44.0519118]}},{"type":"Feature","properties":{"resourceCoords":[803.0,477.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.2757901,44.0539473]}}]}}]}