{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08251_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mitchell, South-Dakota | 1887 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"5"},{"label":"placed","value":"4"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 43.70944,-98.02903 +/-151m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mitchell, South-Dakota | 1887 | sanborn08251_002 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"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":"2026-09-21T14:43:36Z","modified":"2026-09-21T14:43:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,1825.5 1628.0,1265.8 913.9,1269.0 921.7,5.1 103.9,11.1 69.3,1797.1 1628.0,1825.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1153.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0227035,43.7114789]}},{"type":"Feature","properties":{"resourceCoords":[101.0,184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0255602,43.7144704]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mitchell, South-Dakota | 1887 | sanborn08251_002 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-21T14:43:36Z","modified":"2026-09-21T14:43:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"198.4,1681.4 121.7,1664.4 120.0,51.0 1628.0,41.3 1628.0,1927.0 198.7,1915.8 198.4,1681.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1202.0,580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0226974,43.7104714]}},{"type":"Feature","properties":{"resourceCoords":[120.0,51.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0255111,43.7114488]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mitchell, South-Dakota | 1887 | sanborn08251_002 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-21T14:43:36Z","modified":"2026-09-21T14:43:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1550.5,43.0 1550.5,1673.0 1628.0,1690.2 1628.0,1927.0 -0.0,1927.0 2.0,42.5 1550.5,43.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[463.0,584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0282901,43.7104296]}},{"type":"Feature","properties":{"resourceCoords":[1551.0,584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0254988,43.7104454]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mitchell, South-Dakota | 1887 | sanborn08251_002 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"}],"created":"2026-09-21T14:43:36Z","modified":"2026-09-21T14:43:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1806.4 0.0,0.0 1557.7,0.0 1557.0,1813.9 -0.0,1806.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082511887:08251_1887-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1003.0,720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0269591,43.7134537]}},{"type":"Feature","properties":{"resourceCoords":[1003.0,1810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.0269247,43.7114443]}}]}}]}