{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08202_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Artesian, South-Dakota | 1930 | 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":"9"},{"label":"placed","value":"7"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 5, 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, 44.00791,-97.92272 +/-402m); p1__2 (tier 1, 44.00597,-97.92461 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Artesian, South-Dakota | 1930 | sanborn08202_005 p1 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"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":"2380.0"},{"label":"split_canvas_w","value":"2524.0"},{"label":"split_canvas_h","value":"1443.2"}],"created":"2026-10-18T15:11:46Z","modified":"2026-10-18T15:11:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"568.7,595.0 553.1,595.0 553.8,615.0 69.2,616.3 20.2,651.6 13.8,890.2 564.8,915.8 584.7,915.8 568.7,595.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[73.0,915.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.9283379,44.0070922]}},{"type":"Feature","properties":{"resourceCoords":[590.0,915.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.926957,44.0070894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Artesian, South-Dakota | 1930 | sanborn08202_005 p1 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2524.0"},{"label":"split_canvas_y","value":"2380.0"},{"label":"split_canvas_w","value":"2030.0"},{"label":"split_canvas_h","value":"1443.2"}],"created":"2026-10-18T15:11:46Z","modified":"2026-10-18T15:11:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"826.0,595.0 790.4,595.0 631.0,724.5 640.5,728.0 669.7,949.4 1077.5,948.3 1126.8,662.4 1055.1,605.4 903.3,595.0 826.0,595.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[631.0,595.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.91932931192699,44.00737945530404]}},{"type":"Feature","properties":{"resourceCoords":[1138.5,595.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.9179989175242,44.00737688027594]}},{"type":"Feature","properties":{"resourceCoords":[1138.5,955.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.91800146729109,44.00669570262555]}},{"type":"Feature","properties":{"resourceCoords":[631.0,955.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.91933186169388,44.00669827765365]}},{"type":"Feature","properties":{"resourceCoords":[941.3,756.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.918517,44.0070722]}},{"type":"Feature","properties":{"resourceCoords":[941.3,756.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.918517,44.0070722]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Artesian, South-Dakota | 1930 | sanborn08202_005 p1 [5]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"3823.2"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"3884.8"}],"created":"2026-10-18T15:11:46Z","modified":"2026-10-18T15:11:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1627.0,1822.0 1596.5,1805.7 1575.3,990.2 65.9,982.1 36.5,1898.5 302.9,1926.0 331.9,1926.0 331.6,1879.2 1415.6,1879.9 1415.5,1893.6 1627.0,1886.0 1627.0,1822.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[333.0,1857.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.92414330699941,44.010079528515305]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,1289.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.92130310171106,44.011141661070624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Artesian, South-Dakota | 1930 | sanborn08202_005 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T15:11:46Z","modified":"2026-10-18T15:11:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.5,721.5 147.4,560.7 148.0,433.4 141.9,433.4 132.6,221.7 146.4,221.2 146.0,167.0 1245.5,166.7 1245.3,180.6 1459.9,172.7 1459.8,107.7 1528.9,144.5 1544.7,177.6 1529.2,177.5 1531.6,464.5 1531.8,682.6 1537.8,682.6 1525.8,1222.5 1516.0,1222.4 1508.5,1774.8 1235.2,1774.0 143.2,1771.2 146.8,718.9 154.5,721.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[684.0,1219.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.9227701,44.0081004]}},{"type":"Feature","properties":{"resourceCoords":[146.0,167.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.924147,44.010038]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Artesian, South-Dakota | 1930 | sanborn08202_005 p3 [1]","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":"3067.6"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"4640.4"}],"created":"2026-10-18T15:11:46Z","modified":"2026-10-18T15:11:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1089.0,1874.3 1337.7,1925.0 1586.7,1897.4 1597.4,853.0 1627.0,852.6 1627.0,838.5 1308.3,806.6 1094.9,805.5 73.3,798.3 32.8,918.6 57.8,1920.5 762.9,1902.2 763.0,1886.5 1088.1,1872.4 1089.0,1874.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[565.0,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.92695935304019,44.00808190313013]}},{"type":"Feature","properties":{"resourceCoords":[63.0,809.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.92417598162949,44.0090411996619]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Artesian, South-Dakota | 1930 | sanborn08202_005 p3 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.59"},{"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":"3108.0"}],"created":"2026-10-18T15:11:46Z","modified":"2026-10-18T15:11:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1595.5,476.3 1579.5,240.6 1439.8,71.2 1429.5,108.3 1147.8,22.2 305.4,37.5 91.7,113.5 33.3,187.9 20.9,439.4 75.2,719.7 1.0,736.4 1.0,752.3 289.6,747.2 509.6,744.9 509.6,739.0 1054.4,746.0 1054.4,755.9 1611.8,758.4 1609.9,476.1 1595.5,476.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1053.0,464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.919899,44.0080913]}},{"type":"Feature","properties":{"resourceCoords":[507.0,464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.919886,44.0090878]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Artesian, South-Dakota | 1930 | sanborn08202_005 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.54"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T15:11:46Z","modified":"2026-10-18T15:11:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"39.6,620.1 69.9,318.4 71.0,116.8 1071.8,123.5 1578.7,126.9 1585.2,1886.2 41.2,1860.0 26.3,619.1 39.6,620.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184am:g082021930:08202_1930-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1069.0,1050.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.9213569,44.0052162]}},{"type":"Feature","properties":{"resourceCoords":[66.0,1050.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.924159,44.0052084]}}]}}]}