{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08246_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Lead, South-Dakota | 1903 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"18"},{"label":"placed","value":"9"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef 5, georef-snap 3, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p11__1 (tier 4, 44.35104,-103.76758 +/-690m); p11__3 (tier 4, 44.35104,-103.76758 +/-690m); p1__1 (tier 1, 44.38097,-103.72728 +/-246m); p1__2 (tier 4, 44.35104,-103.76758 +/-690m); p2__1 (tier 4, 44.35104,-103.76758 +/-690m); p2__3 (tier 4, 44.35104,-103.76758 +/-690m); p2__4 (tier 4, 44.35104,-103.76758 +/-690m); p4__2 (tier 4, 44.35104,-103.76758 +/-690m); p5 (tier 2, 44.35242,-103.76529 +/-226m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lead, South-Dakota | 1903 | sanborn08246_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T13:51:26Z","modified":"2026-09-22T13:51:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0010","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1175.2,1581.1 901.9,1613.8 801.0,1684.9 717.0,1818.6 457.8,1656.9 147.0,467.1 129.9,143.2 424.6,209.2 433.4,52.5 1628.0,221.3 1628.0,1927.0 1332.4,1927.0 1175.2,1581.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.77063474333168,44.35196954787564]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.76940792582043,44.34920097648627]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.7739585726255,44.34815525220632]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.77518539013676,44.350923823595686]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lead, South-Dakota | 1903 | sanborn08246_005 p11 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"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":"2026-09-22T13:51:26Z","modified":"2026-09-22T13:51:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0011","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"536.9,0.0 625.8,230.2 795.3,362.2 814.4,615.8 600.4,630.3 332.6,566.0 338.4,890.0 0.0,891.0 -0.0,1927.0 263.8,1927.0 1265.1,1927.0 1528.3,1837.8 1527.0,1541.0 1365.3,1368.6 1554.5,1142.3 1231.2,964.0 1204.6,0.0 536.9,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[168.0,1682.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.7768267,44.3482808]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,1142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.7742026,44.3502918]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lead, South-Dakota | 1903 | sanborn08246_005 p2 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"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":"2026-09-22T13:51:26Z","modified":"2026-09-22T13:51:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"445.6,0.0 444.4,421.2 0.0,421.2 -0.0,1075.7 657.4,464.6 1628.0,1509.7 1628.0,475.8 1090.4,476.4 1090.3,378.6 1090.0,0.0 445.6,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.76230897487363,44.354726265329276]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.75824919619538,44.35394514302901]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.75954300028319,44.35051108599152]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.76360277896144,44.35129220829179]}},{"type":"Feature","properties":{"resourceCoords":[-201.0,1806.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.7640234,44.3516044]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lead, South-Dakota | 1903 | sanborn08246_005 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"0"}],"created":"2026-09-22T13:51:26Z","modified":"2026-09-22T13:51:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1642.7 -0.0,0.0 1628.0,0.0 1628.0,1443.0 1356.3,1735.2 127.0,1750.6 121.7,1661.1 -0.0,1642.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.7646549,44.3521963]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.7609816,44.353583]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.7586862,44.350473799999996]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.7623595,44.3490871]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lead, South-Dakota | 1903 | sanborn08246_005 p4 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"17"},{"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":"2026-09-22T13:51:26Z","modified":"2026-09-22T13:51:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1927.0 1151.1,1927.0 1142.2,1474.1 1628.0,1473.6 1628.0,-0.0 -0.0,-0.0 -0.0,307.4 133.7,429.3 159.7,1625.2 72.6,1631.2 44.0,1832.9 -0.0,1868.8 -0.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[571.0,341.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.7587955,44.3498995]}},{"type":"Feature","properties":{"resourceCoords":[146.0,698.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.7601389,44.3503002]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lead, South-Dakota | 1903 | sanborn08246_005 p6","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-22T13:51:26Z","modified":"2026-09-22T13:51:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1656.3 50.6,1486.4 -0.0,1477.2 -0.0,18.4 1628.0,0.0 1628.0,240.7 1237.3,299.8 1280.7,587.7 1280.7,587.7 1482.5,1927.0 1381.2,1927.0 1353.0,1887.3 1293.7,1895.7 1298.2,1927.0 -0.0,1927.0 -0.0,1656.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[644.0,199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.766167,44.352013]}},{"type":"Feature","properties":{"resourceCoords":[825.0,1243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.764855,44.350327]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lead, South-Dakota | 1903 | sanborn08246_005 p7","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"7"}],"created":"2026-09-22T13:51:26Z","modified":"2026-09-22T13:51:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1927.0 -0.0,1752.9 132.9,1512.2 297.2,1377.7 178.6,1115.9 -0.0,1203.3 -0.0,821.8 34.5,797.9 -0.0,721.7 -0.0,-0.0 1628.0,0.0 1628.0,1717.6 790.1,1684.3 -0.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[792.0,1489.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.76989,44.352283]}},{"type":"Feature","properties":{"resourceCoords":[1148.0,1700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.7689458,44.3519284]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lead, South-Dakota | 1903 | sanborn08246_005 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T13:51:26Z","modified":"2026-09-22T13:51:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1683.4 248.9,1627.7 153.6,435.6 -0.0,461.0 -0.0,161.6 413.7,57.5 1210.9,120.8 1574.8,1547.7 1628.0,1548.0 1628.0,1927.0 -0.0,1927.0 -0.0,1683.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.77091094209321,44.35196086869371]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.76685574313697,44.35222036942919]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.76642920466398,44.34876378493149]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.77048440362022,44.34850428419601]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lead, South-Dakota | 1903 | sanborn08246_005 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T13:51:26Z","modified":"2026-09-22T13:51:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1313.3,1927.0 1047.2,1927.0 -0.0,1927.0 0.0,-0.0 861.1,-0.0 1010.8,-0.0 1424.2,427.2 1504.2,1603.0 1313.3,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184lm:g082461903:08246_1903-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.77235732388282,44.35407736486339]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.77045335505112,44.35144122787735]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.77478646572136,44.34981836189835]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-103.77669043455306,44.35245449888439]}}]}}]}