{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08224_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Dell Rapids, South-Dakota | 1911 | 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":"5"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 3, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dell Rapids, South-Dakota | 1911 | sanborn08224_003 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5787.6"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"1920.4"}],"created":"2026-09-21T14:18:46Z","modified":"2026-09-21T14:18:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1485.0,1927.0 1526.0,1524.8 956.3,1457.7 686.2,1453.7 299.8,1468.4 116.0,1572.0 78.0,1819.7 112.9,1897.0 1485.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[146.0,1524.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.7137067,43.8213199]}},{"type":"Feature","properties":{"resourceCoords":[1526.0,1524.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.7102838,43.8215329]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dell Rapids, South-Dakota | 1911 | sanborn08224_003 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"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":"5868.4"}],"created":"2026-09-21T14:18:46Z","modified":"2026-09-21T14:18:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1171.1,1079.3 1157.0,1100.1 863.1,1079.2 850.2,1266.5 214.3,1273.3 197.0,1238.0 210.8,1122.5 224.0,1100.1 292.8,1072.3 -0.0,1049.8 0.0,1446.9 640.5,1453.0 1522.9,1466.2 1628.0,1467.1 1628.0,1464.7 1628.0,961.2 1628.0,0.0 1300.0,0.0 1122.0,0.0 837.9,0.0 835.1,38.1 312.8,0.0 -0.0,-0.0 -0.0,115.0 602.5,161.2 601.5,173.2 1346.5,230.6 1298.3,857.6 1207.0,851.2 1171.1,1079.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1157.0,1100.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.7087014,43.8215123]}},{"type":"Feature","properties":{"resourceCoords":[224.0,1100.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.7137067,43.8213199]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dell Rapids, South-Dakota | 1911 | sanborn08224_003 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T14:18:46Z","modified":"2026-09-21T14:18:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1927.0 -0.0,0.0 1575.0,0.0 1575.2,128.9 1575.8,863.8 1575.9,911.1 1576.6,1665.4 1576.8,1845.5 1298.6,1861.8 1080.7,1927.0 -0.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[217.0,1332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.7155525,43.8226001]}},{"type":"Feature","properties":{"resourceCoords":[217.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.715584,43.821629]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dell Rapids, South-Dakota | 1911 | sanborn08224_003 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:18:46Z","modified":"2026-09-21T14:18:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1386.5,1829.3 57.9,1847.6 55.8,0.0 1628.0,0.0 1628.0,1319.4 1435.3,1320.8 1386.5,1829.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.71208740625883,43.82500236280871]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.70793223696369,43.82493066952423]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.7080490329225,43.82135716766722]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.71220420221765,43.821428860951706]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dell Rapids, South-Dakota | 1911 | sanborn08224_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:18:46Z","modified":"2026-09-21T14:18:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,1927.0 -0.0,1927.0 0.0,-0.0 1628.0,0.0 1628.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184dm:g082241911:08224_1911-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.71481884181539,43.82923385725058]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.71063231854359,43.829173596375895]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.7107304912933,43.82557318095019]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.7149170145651,43.82563344182487]}}]}}]}