{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08232_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Flandreau, South-Dakota | 1904 | 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":"8"},{"label":"placed","value":"5"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 3, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 44.04852,-96.59413 +/-437m); p1__2 (tier 4, 44.04852,-96.59413 +/-437m); p3__2 (tier 1, 44.05131,-96.60070 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flandreau, South-Dakota | 1904 | sanborn08232_004 p1 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1456.0"},{"label":"split_canvas_w","value":"2894.4"},{"label":"split_canvas_h","value":"3642.0"}],"created":"2026-10-18T12:28:43Z","modified":"2026-10-18T12:28:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.3,1251.3 71.4,1243.8 563.2,1073.4 695.0,777.3 700.2,408.6 69.0,399.7 68.9,389.2 40.2,388.9 29.7,1263.8 66.3,1251.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[54.0,939.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.58948245263063,44.048395796253516]}},{"type":"Feature","properties":{"resourceCoords":[54.0,414.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.58950193029796,44.04939561242747]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flandreau, South-Dakota | 1904 | sanborn08232_004 p1 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2898.8"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"4809.2"}],"created":"2026-10-18T12:28:43Z","modified":"2026-10-18T12:28:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"704.5,771.1 702.9,774.5 720.6,775.6 583.8,1035.1 562.3,1082.1 558.3,1083.5 555.7,1088.4 56.2,1293.3 34.5,1393.0 247.8,1521.8 639.8,1516.0 640.6,1521.3 644.0,1521.2 644.2,1542.8 702.7,1900.8 1572.0,1925.0 1554.4,764.1 1560.0,760.8 1171.0,759.0 709.9,759.3 704.5,771.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[855.0,1592.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.59540771308066,44.045772775334996]}},{"type":"Feature","properties":{"resourceCoords":[1585.0,773.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.59349214727933,44.04732766781781]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flandreau, South-Dakota | 1904 | sanborn08232_004 p1 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.84"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6086.8"},{"label":"split_canvas_w","value":"2588.4"},{"label":"split_canvas_h","value":"1621.2"}],"created":"2026-10-18T12:28:43Z","modified":"2026-10-18T12:28:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13.2,1891.5 626.2,1921.2 584.4,1752.3 626.9,1570.6 21.1,1547.0 13.2,1891.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1521.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.60036695333658,44.04951192403221]}},{"type":"Feature","properties":{"resourceCoords":[647.1,1521.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.59864375331199,44.04951507325053]}},{"type":"Feature","properties":{"resourceCoords":[647.1,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.59864100514403,44.04873750468568]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.60036420516862,44.04873435546736]}},{"type":"Feature","properties":{"resourceCoords":[600.1,1570.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.5987686,44.049421]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flandreau, South-Dakota | 1904 | sanborn08232_004 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T12:28:43Z","modified":"2026-10-18T12:28:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1584.0,1752.0 1565.0,1751.0 1565.2,1.0 1524.5,1.0 1508.2,51.4 96.2,48.0 56.2,1873.5 665.9,1909.6 672.9,1894.3 1134.3,1893.6 1523.6,1895.0 1589.5,1855.8 1584.0,1752.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[818.0,1350.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.5954187,44.0483798]}},{"type":"Feature","properties":{"resourceCoords":[1565.0,1350.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.5934527,44.0483832]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Flandreau, South-Dakota | 1904 | sanborn08232_004 p3 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.95"},{"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":"2026-10-18T12:28:43Z","modified":"2026-10-18T12:28:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.0,1926.0 101.0,1926.0 99.8,1902.2 1576.0,1891.2 1614.1,1834.4 1577.3,1847.5 1577.5,963.5 1606.5,963.4 1593.7,400.7 898.7,356.1 896.9,349.5 892.0,349.5 892.0,331.5 820.5,69.3 756.1,19.0 204.3,39.2 197.1,82.2 82.5,39.0 41.4,166.4 82.0,166.4 82.0,1926.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184fm:g082321904:08232_1904-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[82.0,965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.593456,44.0494336]}},{"type":"Feature","properties":{"resourceCoords":[82.0,1523.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.5934527,44.0483832]}}]}}]}