{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08275_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"White, South-Dakota | 1898 | 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":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__3 (tier 4, 44.43659,-96.64946 +/-106m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751898:08275_1898-0001__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 | 1898 | sanborn08275_002 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":"2026-10-22T13:02:19Z","modified":"2026-10-22T13:02:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751898:08275_1898-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751898:08275_1898-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"575.7,54.3 210.2,48.1 57.1,146.4 59.5,853.3 289.1,922.1 289.4,922.6 291.1,922.6 296.7,935.0 422.3,1148.0 489.4,1870.4 1211.4,1825.0 1307.2,1704.0 1299.7,1300.0 1569.5,1124.2 1591.3,266.3 1575.0,152.7 1401.6,171.7 1403.8,95.6 835.0,82.0 834.5,126.5 575.5,68.2 575.7,54.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751898:08275_1898-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1393.0,1178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6512781,44.4357401]}},{"type":"Feature","properties":{"resourceCoords":[835.0,82.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6484321,44.4368186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751898:08275_1898-0001__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 | 1898 | sanborn08275_002 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.22"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3690.4"},{"label":"split_canvas_w","value":"1661.6"},{"label":"split_canvas_h","value":"4017.6"}],"created":"2026-10-22T13:02:19Z","modified":"2026-10-22T13:02:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751898:08275_1898-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751898:08275_1898-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"128.2,923.2 114.5,923.3 63.5,1178.0 107.1,1177.5 107.1,1734.1 32.5,1733.7 55.2,1902.9 339.6,1855.3 376.9,1121.2 298.2,980.6 128.3,939.5 128.2,923.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184wm:g082751898:08275_1898-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[107.1,1177.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6484321,44.4368186]}},{"type":"Feature","properties":{"resourceCoords":[107.1,1734.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.6484424,44.4357543]}}]}}]}