{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08275_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"White, South-Dakota | 1904 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"4"},{"label":"placed","value":"2"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__3 (tier 4, 44.43658,-96.64944 +/-108m); p1__4 (tier 4, 44.43658,-96.64944 +/-108m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751904:08275_1904-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"White, South-Dakota | 1904 | sanborn08275_003 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.12"},{"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":"2026-10-22T13:05:49Z","modified":"2026-10-22T13:05:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751904:08275_1904-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751904:08275_1904-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"585.6,51.4 286.1,45.8 76.0,156.6 92.8,788.2 268.1,924.0 292.0,924.0 453.4,1067.5 453.1,1071.8 453.9,1072.5 452.9,1076.0 420.6,1662.3 489.3,1828.6 918.6,1886.9 941.0,1837.1 1199.3,1834.8 1324.0,1686.5 1273.8,1305.3 1340.0,984.0 1340.4,984.0 1531.0,980.2 1582.8,895.1 1601.7,271.4 1545.2,146.1 1395.9,157.4 1397.7,96.2 585.1,74.7 585.6,51.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751904:08275_1904-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1385.0,1176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6512781,44.4357401]}},{"type":"Feature","properties":{"resourceCoords":[832.0,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6484321,44.4368186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751904:08275_1904-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"White, South-Dakota | 1904 | sanborn08275_003 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.27"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3696.0"},{"label":"split_canvas_w","value":"1815.6"},{"label":"split_canvas_h","value":"4012.0"}],"created":"2026-10-22T13:05:49Z","modified":"2026-10-22T13:05:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751904:08275_1904-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751904:08275_1904-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"414.0,1281.6 414.1,1274.7 414.7,1207.2 443.8,1079.9 329.3,981.1 137.1,939.8 137.0,924.0 128.1,924.0 113.9,924.0 113.2,1729.9 52.6,1729.7 67.7,1877.4 79.5,1871.7 328.3,1862.8 414.0,1281.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751904:08275_1904-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[110.0,1169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6484321,44.4368186]}},{"type":"Feature","properties":{"resourceCoords":[110.0,1730.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6484424,44.4357543]}}]}}]}