{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08250_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Miller, 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":"7"},{"label":"placed","value":"2"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 44.51702,-98.98895 +/-193m); p2__2 (tier 2, 44.51717,-98.98806 +/-100m); p2__3 (tier 2, 44.51717,-98.98806 +/-100m); p2__4 (tier 2, 44.51717,-98.98806 +/-100m); p2__5 (tier 2, 44.51717,-98.98806 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082501904:08250_1904-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Miller, South-Dakota | 1904 | sanborn08250_001 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.51"},{"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":"2026-10-18T08:42:51Z","modified":"2026-10-18T08:42:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082501904:08250_1904-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082501904:08250_1904-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"143.5,1878.0 143.2,1830.0 994.0,1835.0 1620.5,1839.6 1620.3,1817.7 1593.8,1812.8 1582.2,246.8 1482.9,56.6 1278.5,113.6 1203.2,307.0 1203.2,308.0 1202.8,308.0 1201.5,311.4 771.2,312.6 685.8,37.8 114.6,102.9 30.4,272.5 42.0,1817.3 70.4,1873.6 143.5,1878.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082501904:08250_1904-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[994.0,595.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.9886784,44.5194576]}},{"type":"Feature","properties":{"resourceCoords":[994.0,1835.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.9886881,44.5170863]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082501904:08250_1904-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Miller, South-Dakota | 1904 | sanborn08250_001 p2 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.42"},{"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":"2026-10-18T08:42:51Z","modified":"2026-10-18T08:42:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082501904:08250_1904-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082501904:08250_1904-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"39.1,81.1 35.1,1080.5 187.5,1157.4 508.3,1166.8 731.0,1166.8 735.7,1173.5 816.8,1722.0 795.7,1784.4 663.8,1811.7 948.1,1868.3 1087.1,1806.4 1372.8,1523.0 1394.2,1363.5 1199.9,1369.6 1195.0,1364.3 1195.0,1163.1 1404.0,1161.6 1406.5,1161.6 1582.5,1156.0 1610.5,1093.7 1607.0,198.4 1572.9,52.5 1453.3,29.2 1453.3,50.8 837.0,42.0 1.0,31.4 1.0,78.6 39.1,81.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd418m:g4184m:g4184mm:g082501904:08250_1904-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[837.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.9886808,44.5157723]}},{"type":"Feature","properties":{"resourceCoords":[837.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.9886881,44.5170863]}}]}}]}