{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06524_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bismarck, North-Dakota | 1904 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"15"},{"label":"placed","value":"9"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 7, georef-snap 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p1__2 (tier 3, 46.80672,-100.78405 +/-587m); p1__3 (tier 1, 46.80804,-100.78324 +/-100m); p7__2 (tier 1, 46.80431,-100.78784 +/-100m); p7__3 (tier 1, 46.80526,-100.78625 +/-100m); p8__3 (tier 1, 46.80603,-100.79184 +/-100m); p9__2 (tier 1, 46.81095,-100.78643 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bismarck, North-Dakota | 1904 | sanborn06524_004 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:53:44Z","modified":"2026-10-22T12:53:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"954.9,1781.4 43.0,1766.4 61.1,76.1 1393.5,31.6 1493.9,124.6 1537.9,113.5 1532.5,461.4 1557.9,493.6 1555.7,634.0 1529.0,680.5 1520.0,1232.0 1512.6,1792.2 954.9,1781.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[416.0,668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7785384,46.8074425]}},{"type":"Feature","properties":{"resourceCoords":[1520.0,1232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7800935,46.8053647]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bismarck, North-Dakota | 1904 | sanborn06524_004 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:53:44Z","modified":"2026-10-22T12:53:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"926.1,1784.5 925.8,1784.5 514.7,1790.3 125.0,1789.0 123.3,1222.2 123.5,664.2 149.7,616.8 149.7,474.8 123.5,442.5 123.2,90.7 338.6,32.9 491.7,88.2 1484.8,100.1 1594.2,562.0 1586.5,1821.9 926.1,1784.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1356.0,668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7786442,46.8030524]}},{"type":"Feature","properties":{"resourceCoords":[1356.0,1226.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7801616,46.8030703]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bismarck, North-Dakota | 1904 | sanborn06524_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:53:44Z","modified":"2026-10-22T12:53:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1270.9,1778.5 1028.8,1773.0 408.5,1788.1 87.6,1790.1 85.1,1790.1 88.2,1227.6 51.6,1227.5 25.8,732.5 37.3,733.6 96.1,369.6 50.0,225.3 49.3,108.9 973.3,108.7 1538.5,110.1 1514.6,157.2 1515.7,362.0 1537.2,426.5 1532.6,659.2 1533.2,1283.2 1537.3,1777.6 1270.9,1778.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[972.0,662.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.78310576668557,46.8064509087363]}},{"type":"Feature","properties":{"resourceCoords":[972.0,1229.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.78464528997367,46.806469706769604]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bismarck, North-Dakota | 1904 | sanborn06524_004 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:53:44Z","modified":"2026-10-22T12:53:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"815.4,1794.3 139.4,1811.0 139.3,1783.4 135.9,1291.7 136.2,670.9 141.1,439.5 119.8,375.2 119.1,171.6 142.9,124.7 531.1,126.5 940.8,121.0 1599.0,158.8 1588.3,1691.0 1532.6,1814.7 1155.6,1820.8 1155.8,1806.6 1155.7,1784.6 815.4,1782.8 815.4,1794.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[136.0,1236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7846678,46.8054267]}},{"type":"Feature","properties":{"resourceCoords":[1368.0,1236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7847229,46.8031248]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bismarck, North-Dakota | 1904 | sanborn06524_004 p6","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:53:44Z","modified":"2026-10-22T12:53:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1569.0,1761.9 1569.2,1149.6 1575.0,636.9 1572.4,131.0 1572.2,83.7 1307.0,84.3 1066.2,78.5 448.9,92.8 129.7,94.5 112.3,94.4 99.0,647.8 103.3,647.8 92.6,1205.4 106.3,1205.5 94.5,1762.7 1.0,1762.5 1.0,1846.7 279.8,1885.4 502.8,1831.2 605.0,1894.5 1012.0,1859.1 1011.9,1764.2 1569.0,1761.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1011.0,640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7876548,46.8065027]}},{"type":"Feature","properties":{"resourceCoords":[1011.0,1206.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7891993,46.8065203]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bismarck, North-Dakota | 1904 | sanborn06524_004 p7 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.91"},{"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":"4933.2"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-22T12:53:44Z","modified":"2026-10-22T12:53:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"210.1,1870.5 522.8,1859.1 673.2,1792.0 731.0,1309.9 731.0,1304.5 731.2,1304.5 749.5,1304.5 1090.7,1230.8 1168.8,1143.2 1223.7,450.1 1183.3,147.8 1231.9,147.1 1232.2,110.9 892.3,108.5 892.2,120.0 217.0,135.2 217.1,155.0 218.5,660.1 211.6,1172.0 210.0,1783.4 210.1,1870.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[890.2,658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7876926,46.8041928]}},{"type":"Feature","properties":{"resourceCoords":[890.2,1784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7907701,46.8042231]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bismarck, North-Dakota | 1904 | sanborn06524_004 p8 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"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":"2862.0"},{"label":"split_canvas_h","value":"5967.2"}],"created":"2026-10-22T12:53:44Z","modified":"2026-10-22T12:53:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"93.6,184.1 97.6,183.7 116.2,1334.9 406.8,1402.7 615.9,1355.8 604.7,660.8 709.1,405.6 640.3,175.0 652.0,174.5 651.8,87.0 93.5,88.9 93.6,184.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[117.9,649.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.79225023001203,46.80650728280606]}},{"type":"Feature","properties":{"resourceCoords":[117.9,1421.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.79435088290498,46.80653046400312]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bismarck, North-Dakota | 1904 | sanborn06524_004 p8 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2862.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3650.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-22T12:53:44Z","modified":"2026-10-22T12:53:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1456.8,1870.9 1456.4,1785.6 1552.3,1785.3 1562.0,1219.5 1548.1,1219.5 1556.6,653.2 1552.2,653.2 1563.4,91.3 1343.8,91.5 773.1,90.4 773.5,137.4 817.2,138.8 882.3,452.8 796.6,916.7 842.5,1715.2 939.6,1801.2 1456.8,1870.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1347.2,654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7876252,46.8085838]}},{"type":"Feature","properties":{"resourceCoords":[1347.2,1220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7891461,46.8086054]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bismarck, North-Dakota | 1904 | sanborn06524_004 p9 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.98"},{"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":"2026-10-22T12:53:44Z","modified":"2026-10-22T12:53:44Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0009","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"124.0,1856.0 689.5,1861.0 689.8,1824.2 1187.5,1799.7 1262.9,1065.8 1272.4,1049.4 1363.6,1050.4 1406.5,1050.9 1466.5,1051.5 1525.3,1047.4 1589.7,958.9 1615.5,236.0 1578.0,163.6 1526.9,164.4 1431.1,100.1 1423.5,78.3 1196.5,23.3 109.7,53.9 66.4,91.0 112.6,250.9 82.8,1054.4 129.7,1054.3 125.2,1622.4 124.0,1856.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174bm:g065241904:06524_1904-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[691.0,1622.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7845852,46.8085538]}},{"type":"Feature","properties":{"resourceCoords":[1253.0,1622.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.7830673,46.8085385]}}]}}]}