{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08270_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Vermillion, South-Dakota | 1898 | 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":"7"},{"label":"placed","value":"4"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.77960,-96.93217 +/-375m); p1__3 (tier 4, 42.77960,-96.93217 +/-375m); p1__4 (tier 4, 42.77960,-96.93217 +/-375m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_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":"Vermillion, South-Dakota | 1898 | sanborn08270_003 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.81"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2952.0"},{"label":"split_canvas_w","value":"3077.6"},{"label":"split_canvas_h","value":"2573.2"}],"created":"2026-10-18T14:48:21Z","modified":"2026-10-18T14:48:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"732.4,1348.2 724.9,889.7 649.5,841.9 444.2,883.2 327.8,828.6 54.0,835.8 89.0,1376.5 260.0,1307.8 514.0,1377.3 678.2,1376.0 677.6,1362.0 732.4,1348.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[733.4,1061.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9350298,42.7814859]}},{"type":"Feature","properties":{"resourceCoords":[178.1,1061.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9365208,42.7814874]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Vermillion, South-Dakota | 1898 | sanborn08270_003 p2","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T14:48:21Z","modified":"2026-10-18T14:48:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1523.8,74.0 1495.7,109.4 1000.8,119.0 796.6,32.6 294.6,56.7 291.9,1.0 134.2,1.0 134.5,64.8 69.2,123.3 29.8,1033.2 77.1,1819.0 776.1,1888.6 1627.0,1867.4 1627.0,1850.4 1627.0,1837.7 1408.0,1840.0 1405.8,1259.0 1398.0,688.7 1526.3,687.6 1523.8,74.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[943.0,122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9335255,42.7804563]}},{"type":"Feature","properties":{"resourceCoords":[1408.0,1840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9323713,42.777268]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Vermillion, South-Dakota | 1898 | sanborn08270_003 p3 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.97"},{"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":"2026-10-18T14:48:21Z","modified":"2026-10-18T14:48:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"246.6,75.1 245.3,687.9 117.2,688.2 121.5,1257.8 120.0,1838.0 338.7,1837.0 338.5,1866.7 920.5,1855.8 1058.8,1783.3 1103.0,1452.4 1103.0,1404.0 1109.5,1404.0 1110.2,1398.2 1379.2,1398.7 1380.2,1404.0 1383.3,1404.0 1383.3,1420.5 1465.7,1856.7 1581.9,1871.4 1627.0,1093.8 1627.0,874.3 1627.0,655.7 1605.7,672.2 1613.6,265.2 1570.2,112.5 1512.1,90.6 509.2,23.6 276.6,37.8 246.6,75.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[717.0,1263.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.930864,42.778337]}},{"type":"Feature","properties":{"resourceCoords":[120.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.9323713,42.777268]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Vermillion, South-Dakota | 1898 | sanborn08270_003 p3 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4412.0"},{"label":"split_canvas_y","value":"5616.0"},{"label":"split_canvas_w","value":"1121.2"},{"label":"split_canvas_h","value":"2092.0"}],"created":"2026-10-18T14:48:21Z","modified":"2026-10-18T14:48:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1107.0,1909.4 1368.7,1909.0 1360.7,1450.5 1149.8,1436.3 1105.7,1470.8 1107.0,1909.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184vm:g082701898:08270_1898-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1103.0,1404.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.9285719677634,42.779590654786745]}},{"type":"Feature","properties":{"resourceCoords":[1383.3,1404.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.92786368113306,42.779589895019704]}},{"type":"Feature","properties":{"resourceCoords":[1383.3,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.927865617683,42.77862039435845]}},{"type":"Feature","properties":{"resourceCoords":[1103.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-96.92857390431334,42.77862115412549]}},{"type":"Feature","properties":{"resourceCoords":[1181.1,1496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-96.928375,42.7794199]}}]}}]}