{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09750_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Casper, Wyoming | 1918 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"29"},{"label":"placed","value":"19"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef-snap 15, georef 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p13__3 (tier 2, 42.84940,-106.31297 +/-100m); p20 (tier 1, 42.84415,-106.32344 +/-254m); p23 (tier 1, 42.84298,-106.32259 +/-255m); p24__2 (tier 1, 42.83804,-106.32297 +/-100m); p24__3 (tier 1, 42.84118,-106.32967 +/-100m); p24__4 (tier 1, 42.84249,-106.32944 +/-100m); p4 (tier 2, 42.85137,-106.32627 +/-118m); p5 (tier 1, 42.84509,-106.32209 +/-254m); p7__1 (tier 1, 42.84835,-106.31479 +/-260m); p7__2 (tier 1, 42.85375,-106.31287 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0010","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"103.3,1477.8 100.8,950.6 103.7,196.3 70.7,195.9 125.4,97.0 1426.2,73.3 1426.9,188.3 1521.8,187.5 1525.6,187.4 1525.0,934.4 1526.9,934.4 1536.2,934.2 1552.2,1686.0 1533.1,1686.1 1251.0,1684.6 685.4,1681.6 612.5,1683.4 516.3,1674.0 280.7,1691.4 106.5,1680.7 103.3,1477.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1248.0,1697.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.32093826060375,42.848713832860746]}},{"type":"Feature","properties":{"resourceCoords":[108.0,1697.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.32376196213772,42.84872809156643]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0011","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"365.0,1685.0 287.7,1687.3 98.4,1687.6 89.5,937.5 80.2,937.5 78.3,937.6 86.2,192.3 376.4,187.7 657.9,191.6 953.6,190.1 1523.3,193.7 1527.8,941.8 1627.0,943.4 1627.0,950.2 1627.0,979.0 1541.6,1020.5 1541.7,1299.7 1520.7,1309.1 1518.5,1694.2 1231.8,1689.2 940.3,1688.3 365.0,1685.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32043866568468,42.8518013615491]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.31642505646708,42.85180966797005]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.31641178792458,42.84831489105599]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32042539714217,42.84830658463504]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p12","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0012","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1052.1,1676.0 75.0,1677.0 75.2,1303.2 95.5,1294.0 93.9,1023.1 176.0,982.4 175.8,947.8 80.2,946.8 72.2,220.7 79.6,220.7 121.8,21.2 139.0,48.6 165.5,39.9 352.6,89.8 1150.9,88.0 1438.5,29.8 1553.7,72.7 1597.8,944.1 1509.3,944.5 1504.9,1681.1 1569.3,1919.0 1489.4,1919.0 1500.2,1827.8 1052.1,1828.8 1052.1,1676.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[630.0,1677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.3152635,42.8487229]}},{"type":"Feature","properties":{"resourceCoords":[75.0,1677.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.3166833,42.8487253]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p13 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0013","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"189.8,24.8 97.8,25.2 93.3,791.0 160.3,1038.3 77.2,1039.3 66.5,1130.5 874.0,1143.5 874.3,1148.0 877.8,1148.0 878.2,1208.4 920.6,1861.2 1526.3,1897.1 1586.1,1882.0 1608.2,1739.9 1621.7,1134.2 1565.5,1129.9 1561.4,785.6 1627.0,785.2 1627.0,760.4 1620.8,760.3 1619.5,214.5 1551.8,42.6 190.9,46.0 189.8,24.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[910.0,786.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.3110157,42.8487169]}},{"type":"Feature","properties":{"resourceCoords":[1483.0,786.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.3096057,42.8487144]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p13 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.41"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4592.0"},{"label":"split_canvas_w","value":"3521.2"},{"label":"split_canvas_h","value":"1416.0"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0013","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"196.9,1156.8 196.7,1180.0 135.3,1180.0 137.3,1501.0 488.4,1501.0 854.5,1494.5 862.2,1270.8 834.5,1165.8 196.9,1156.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[856.3,1180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.3075164,42.8487194]}},{"type":"Feature","properties":{"resourceCoords":[62.0,1180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.3096057,42.8487144]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0014","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"925.0,86.5 624.5,23.9 352.9,96.2 119.5,101.5 49.8,310.1 35.5,1842.2 313.5,1897.1 1419.8,1914.9 1419.8,1919.0 1465.3,1919.0 1577.4,1149.6 1590.6,1143.2 1568.8,143.0 1434.3,206.3 1328.9,204.4 1232.6,1.0 926.6,1.0 925.0,86.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.332596778263,42.84810489017136]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32861731527765,42.84813228268002]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32857356129112,42.84466705077429]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.33255302427646,42.844639658265635]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0015","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1413.5,1735.0 982.5,1756.0 982.4,1756.2 434.3,1746.0 434.5,1761.0 107.3,1698.5 129.8,1528.8 142.7,1522.3 109.0,528.5 147.2,509.8 417.9,356.6 678.9,221.7 968.7,76.0 1034.3,49.8 1182.2,53.2 1335.6,34.7 1454.6,38.3 1552.0,53.6 1558.5,820.4 1555.7,1664.9 1413.5,1735.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[974.0,84.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.32661343709898,42.84867564415065]}},{"type":"Feature","properties":{"resourceCoords":[1547.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.32519416787332,42.84870711713345]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0016","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1436.9,1858.8 120.5,1850.0 73.5,1841.0 72.1,1769.7 73.6,918.0 65.8,144.7 253.1,122.9 359.9,136.4 544.6,125.6 642.4,125.5 818.0,136.8 1055.7,119.9 1152.7,129.6 1226.2,127.9 1482.7,129.9 1491.9,1085.0 1469.5,1095.8 1493.4,1843.1 1445.1,1843.5 1445.2,1869.4 1436.9,1858.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1209.0,138.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.32237404101211,42.84873079829887]}},{"type":"Feature","properties":{"resourceCoords":[68.0,138.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.32517628999315,42.848739958178335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0017","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.4,1799.1 86.3,1052.9 108.9,1042.2 105.9,88.7 421.5,93.2 707.5,97.3 918.0,96.9 996.0,94.5 1576.6,97.4 1578.2,670.9 1582.9,1236.0 1573.8,1800.2 993.3,1795.3 693.6,1785.1 422.9,1801.2 131.9,1799.0 105.4,1799.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32196095802593,42.84890288257869]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.31798388354174,42.84890903242626]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.3179740603118,42.84544591336906]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32195113479598,42.84543976352149]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p18","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0018","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"335.2,116.4 620.0,120.0 1627.0,119.0 1627.0,185.7 1627.0,276.4 1614.4,276.5 1595.9,1877.7 202.3,1888.3 181.9,1905.9 45.7,1863.0 50.3,1804.7 56.8,1245.5 49.7,685.5 45.6,117.0 335.2,116.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[620.0,120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.3166833,42.8487253]}},{"type":"Feature","properties":{"resourceCoords":[1192.0,120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.3152635,42.8487229]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0019","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.1,699.7 143.2,111.7 468.1,171.5 467.9,156.7 1011.8,163.9 1011.8,163.7 1439.3,140.7 1580.1,70.9 1581.7,140.5 1627.0,148.9 1603.8,149.1 1594.2,1671.7 1597.4,1674.7 1598.0,1796.2 1019.4,1790.5 307.0,1796.4 307.1,1848.5 40.1,1823.6 91.1,1750.0 46.6,1713.7 23.5,700.5 68.1,699.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32912661551512,42.84595669708963]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32506309304347,42.845931885585365]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32510272371297,42.842393395294266]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32916624618463,42.842418206798534]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0002","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1539.4,45.4 52.3,20.4 1.0,151.2 1.0,181.6 63.8,1897.8 1627.0,1881.9 1627.0,1863.5 1566.8,1863.1 1574.1,76.7 1574.4,1.0 1555.4,1.0 1539.4,45.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32594558096957,42.86064042003187]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32193661080076,42.86064590126423]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32192785392425,42.857155659839265]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32593682409306,42.85715017860691]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0021","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,45.2 1.0,71.9 43.2,126.2 57.9,669.3 35.9,1696.7 109.2,1828.8 586.3,1902.2 1569.7,1894.9 1621.1,1594.0 1577.1,170.3 1608.2,143.6 1473.5,100.9 1478.2,43.1 912.5,39.5 620.4,30.1 356.6,46.5 73.2,45.0 1.0,45.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[790.0,1307.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.31983216100491,42.843338678830236]}},{"type":"Feature","properties":{"resourceCoords":[644.0,555.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.32019824053816,42.84472097057888]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0022","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.8,184.4 19.9,1332.5 81.2,1692.8 37.5,1832.9 92.8,1858.2 92.2,1785.2 445.6,1787.3 725.7,1781.2 1013.2,1778.5 1299.4,1782.8 1607.1,1781.3 1591.5,1360.5 1606.5,79.8 1532.1,28.7 1361.8,73.8 1297.9,11.0 1298.2,133.2 716.4,125.9 1.0,129.9 1.0,182.4 20.8,184.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.3283956305405,42.842879543743344]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32435459966071,42.84286275657687]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32438141127298,42.83934358620803]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32842244215277,42.839360373374504]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0024__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p24 [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":"6512.0"},{"label":"split_canvas_h","value":"4876.0"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0024__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0024","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.0,135.7 53.3,1160.2 80.2,1165.5 97.7,1211.9 981.0,1214.2 1567.5,1193.7 1604.8,1142.2 1585.1,176.6 1518.5,95.4 1517.0,45.1 1209.0,44.1 922.4,37.4 634.5,37.7 353.9,41.5 1.0,36.5 1.0,110.0 56.0,135.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0024__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32819183462571,42.83967331919996]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32415670311258,42.83968121162887]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1219.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32414870013828,42.837450129483]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1219.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32818383165142,42.83744223705409]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0003","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"59.7,91.5 41.7,91.6 59.7,91.5 61.9,34.9 199.2,20.0 1588.0,64.7 1627.0,860.6 1627.0,879.3 1588.1,1888.8 122.2,1912.4 121.2,1894.5 63.0,1894.5 59.9,165.7 59.7,91.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32221961816762,42.8608179771137]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.31807715096032,42.86080571449847]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.318096741869,42.8571992533599]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.3222392090763,42.85721151597513]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.46"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0006","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1522.7,1867.0 1530.2,1867.0 1574.1,1663.3 1567.0,698.2 1611.2,51.8 612.7,15.3 35.8,88.8 13.9,1756.3 1.0,1756.4 1.0,1870.1 94.5,1870.0 385.9,1864.4 664.9,1867.5 958.0,1865.1 1522.7,1867.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32046856987434,42.854885788010726]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.31641890863656,42.85488527118848]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.31641973423697,42.85135926031075]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32046939547475,42.851359777133]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0008","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1562.5,695.5 1556.3,1082.4 1553.8,1405.7 1261.0,1550.5 997.1,1684.8 723.5,1837.2 553.8,1919.0 446.8,1919.0 348.7,1716.3 294.6,1716.8 44.5,1718.9 59.8,49.0 1019.0,27.2 1536.0,79.7 1565.7,12.6 1562.5,695.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.33044381247208,42.85123649859938]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32644652224705,42.85123844637187]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.32644341094388,42.84775783739735]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-106.33044070116891,42.84775588962486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Casper, Wyoming | 1918 | sanborn09750_005 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:34:38Z","modified":"2026-10-19T18:34:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0009","type":"ImageService3","width":1628,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"261.5,1420.5 268.6,1031.8 273.3,345.8 273.4,318.9 326.5,151.7 790.2,78.3 969.6,86.3 1171.0,221.5 1387.8,237.1 1399.3,216.7 1432.6,217.4 1422.2,976.5 1419.5,1507.1 1420.7,1711.2 1323.1,1710.6 1138.7,1719.9 1032.2,1705.7 845.2,1726.1 747.3,1710.2 627.6,1705.8 473.1,1723.6 324.3,1719.2 258.1,1745.2 261.5,1420.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd426m:g4264m:g4264cm:g097501918:09750_1918-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[842.0,1722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.32518961692679,42.84873522400526]}},{"type":"Feature","properties":{"resourceCoords":[1414.0,1720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-106.3237817782183,42.848741895418854]}}]}}]}