{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08206_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Big Stone City, South-Dakota | 1910 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"10"},{"label":"placed","value":"2"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p1__10 (tier 4, 45.29339,-96.46359 +/-171m); p1__3 (tier 4, 45.29339,-96.46359 +/-171m); p1__4 (tier 4, 45.29339,-96.46359 +/-171m); p1__5 (tier 4, 45.29339,-96.46359 +/-171m); p1__6 (tier 4, 45.29339,-96.46359 +/-171m); p1__7 (tier 4, 45.29339,-96.46359 +/-171m); p1__8 (tier 4, 45.29339,-96.46359 +/-171m); p1__9 (tier 4, 45.29339,-96.46359 +/-171m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184bm:g082061910:08206_1910-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Stone City, South-Dakota | 1910 | sanborn08206_003 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.11"},{"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":"2759.6"},{"label":"split_canvas_h","value":"1934.0"}],"created":"2026-10-17T19:11:10Z","modified":"2026-10-17T19:11:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184bm:g082061910:08206_1910-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184bm:g082061910:08206_1910-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.6,32.0 44.6,470.1 264.8,407.8 590.1,413.7 648.1,142.8 616.6,49.3 338.3,17.7 151.0,93.9 32.6,32.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184bm:g082061910:08206_1910-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[646.9,435.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.464089,45.294188]}},{"type":"Feature","properties":{"resourceCoords":[105.0,435.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.465654,45.294168]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184bm:g082061910:08206_1910-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Stone City, South-Dakota | 1910 | sanborn08206_003 p1 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.26"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"858.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5653.2"},{"label":"split_canvas_h","value":"5710.8"}],"created":"2026-10-17T19:11:10Z","modified":"2026-10-17T19:11:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184bm:g082061910:08206_1910-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184bm:g082061910:08206_1910-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1581.8,1343.5 1556.9,418.8 1121.7,412.3 1079.5,61.2 796.8,26.3 740.1,156.6 762.7,500.5 691.7,785.5 691.8,797.0 688.9,797.0 687.7,801.8 316.8,797.0 305.0,797.0 257.6,841.6 261.3,1376.3 392.9,1381.2 590.2,1381.2 789.4,1381.2 797.0,1386.2 813.0,1396.8 1190.5,1410.9 1284.8,1347.8 1581.8,1343.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184bm:g082061910:08206_1910-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[800.4,1032.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.4625257,45.2915393]}},{"type":"Feature","properties":{"resourceCoords":[1571.0,192.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.4603595,45.2933034]}}]}}]}