{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01198_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Windsor, Connecticut | 1921 | 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":"16"},{"label":"placed","value":"7"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef-snap 6, georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"6 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 41.84184,-72.64955 +/-3696m); p1__2 (tier 1, 41.64818,-72.79401 +/-142m); p1__3 (tier 4, 41.84184,-72.64955 +/-3696m); p5__2 (tier 2, 41.85199,-72.64535 +/-254m); p6__2 (tier 4, 41.84184,-72.64955 +/-3696m); p7__1 (tier 1, 41.84874,-72.64894 +/-221m); p7__2 (tier 1, 41.85038,-72.65214 +/-205m); p9__1 (tier 4, 41.84184,-72.64955 +/-3696m); p9__2 (tier 4, 41.84184,-72.64955 +/-3696m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Windsor, Connecticut | 1921 | sanborn01198_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:10:10Z","modified":"2026-10-19T00:10:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"568.6,1798.7 1191.9,1722.9 1396.5,1687.0 1448.2,886.8 1458.3,821.3 1491.0,738.2 1453.4,712.9 1477.0,373.2 1452.5,116.8 1013.7,50.8 1013.0,1.0 921.5,1.0 563.4,35.4 569.5,43.0 103.8,227.4 114.7,1793.7 357.6,1822.7 568.6,1798.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[549.0,1795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.64936031764046,41.85242311291837]}},{"type":"Feature","properties":{"resourceCoords":[997.0,1742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.64824598801458,41.852508130651266]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Windsor, Connecticut | 1921 | sanborn01198_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:10:10Z","modified":"2026-10-19T00:10:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1475.2,1393.8 1481.7,1157.7 1487.9,1109.6 1529.3,1040.3 1317.8,957.4 1147.5,1.0 1100.6,1.0 1096.3,36.5 791.1,84.5 705.0,25.5 146.9,43.5 129.4,1.0 129.0,1.0 129.0,278.6 168.4,301.4 141.4,387.0 135.8,453.4 139.5,1260.1 135.9,1537.4 596.3,1852.5 901.4,1856.0 1471.0,1550.3 1472.4,1499.2 1475.2,1393.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[794.0,1849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.64576531465237,41.85141762428439]}},{"type":"Feature","properties":{"resourceCoords":[134.0,1257.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.64726480997626,41.85260482817831]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Windsor, Connecticut | 1921 | sanborn01198_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.44"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:10:10Z","modified":"2026-10-19T00:10:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"351.6,1513.4 361.0,1465.2 407.3,1397.8 198.7,1300.3 87.3,321.3 40.3,318.3 60.1,213.0 176.8,106.4 636.2,29.5 1046.8,102.3 1328.4,59.0 1531.4,158.8 1498.1,1022.1 1595.2,1384.4 1530.2,1817.1 1225.0,1872.8 1226.3,1850.1 520.8,1823.0 327.4,1780.7 330.0,1751.8 351.6,1513.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[650.0,405.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.64314433930078,41.854575823436996]}},{"type":"Feature","properties":{"resourceCoords":[1128.0,1819.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6420550898971,41.85199198949351]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Windsor, Connecticut | 1921 | sanborn01198_001 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T00:10:10Z","modified":"2026-10-19T00:10:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,99.2 1.0,107.7 59.5,111.2 34.8,365.2 125.0,1078.4 85.0,1421.3 93.9,1830.0 767.2,1889.0 871.0,1859.2 993.1,1879.2 1139.3,1831.7 1152.8,1622.3 1221.6,1613.5 1222.4,1138.3 1261.5,1074.6 1261.5,1072.0 1263.1,1072.0 1264.7,1069.4 1463.0,1032.5 1479.6,768.1 1557.5,638.0 1579.0,486.5 1551.7,123.1 1583.2,115.6 1583.3,104.5 1237.2,109.6 1141.5,94.0 1140.0,132.1 1139.1,157.5 854.8,306.6 703.2,303.4 476.1,144.7 479.2,7.0 378.1,30.9 69.5,87.3 1.0,99.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[749.0,1352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.64641656692706,41.84755885224563]}},{"type":"Feature","properties":{"resourceCoords":[463.0,20.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.64733684467323,41.85255471961611]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Windsor, Connecticut | 1921 | sanborn01198_001 p6 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.48"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T00:10:10Z","modified":"2026-10-19T00:10:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"682.6,1885.0 721.1,1807.8 775.6,1770.9 865.5,1815.7 1110.8,1854.0 1296.8,1810.5 1354.5,1703.0 1542.1,1760.5 1587.0,1678.7 1590.0,1415.7 1532.1,1322.7 1514.3,1093.4 1443.6,978.0 1486.8,867.3 1449.9,828.9 1443.5,761.5 1347.2,713.5 1318.2,651.0 1238.1,651.0 1125.8,587.0 1131.9,253.4 1086.9,182.9 1122.1,112.3 610.5,29.4 461.4,55.2 243.3,154.8 142.5,389.1 94.4,381.1 40.7,1300.1 93.9,1619.2 222.2,1683.2 256.0,1736.1 234.3,1778.5 479.4,1803.4 478.4,1798.7 647.3,1866.7 682.6,1885.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[475.0,1144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6507475,41.8578747]}},{"type":"Feature","properties":{"resourceCoords":[475.0,655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.65185,41.8595207]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Windsor, Connecticut | 1921 | sanborn01198_001 p8 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3805.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3846.8"}],"created":"2026-10-19T00:10:10Z","modified":"2026-10-19T00:10:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.5,1906.7 1520.7,1909.9 1553.3,1864.6 1582.5,1670.3 1585.0,1388.8 1543.2,1330.0 1543.1,1185.3 1418.0,1180.3 1425.8,1208.0 1339.9,1223.5 712.5,1213.8 697.7,1181.5 648.4,1178.7 647.0,1178.7 647.0,1178.6 627.5,1164.7 641.2,1059.8 608.8,987.0 516.1,967.2 325.7,995.7 177.9,1193.5 72.5,1183.5 70.2,1842.2 126.5,1906.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[831.0,1506.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.65687893175834,41.808855267468054]}},{"type":"Feature","properties":{"resourceCoords":[1579.0,1506.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.65332598153198,41.80920147432178]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Windsor, Connecticut | 1921 | sanborn01198_001 p8 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"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":"6452.0"},{"label":"split_canvas_h","value":"4714.8"}],"created":"2026-10-19T00:10:10Z","modified":"2026-10-19T00:10:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"708.3,1177.2 1433.2,1175.0 1432.9,1138.4 1517.1,1137.7 1516.8,1097.5 1439.7,1079.8 1434.9,933.4 1526.3,925.4 1558.7,855.5 1589.0,518.6 1538.9,218.8 1439.5,153.8 1439.1,95.2 1384.0,73.7 1340.4,114.3 1223.2,115.2 980.9,22.1 747.0,75.2 271.1,71.7 182.9,32.2 62.1,36.8 20.6,329.9 72.9,922.5 644.3,950.8 644.3,951.0 645.0,951.0 645.0,953.5 708.3,1177.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784wm:g3784wm_g011981921:01198_1921-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1370.0,488.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.65434281683629,41.81544189465159]}},{"type":"Feature","properties":{"resourceCoords":[1269.0,878.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6548577425459,41.814007894722614]}}]}}]}