{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03883_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Westfield, Massachusetts | 1900 | 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":"20"},{"label":"placed","value":"13"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef-snap 8, georef 5"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p12__1 (tier 1, 42.13459,-72.74609 +/-128m); p12__2 (tier 1, 42.13626,-72.74446 +/-100m); p12__3 (tier 1, 42.13618,-72.74468 +/-100m); p12__4 (tier 1, 42.13461,-72.74593 +/-100m); p13__2 (tier 1, 42.13362,-72.74093 +/-103m); p13__3 (tier 1, 42.13416,-72.74084 +/-100m); p6__2 (tier 1, 42.12366,-72.75122 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1900 | sanborn03883_004 p10","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:40:08Z","modified":"2026-10-18T22:40:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"183.5,1348.8 159.0,1238.0 136.4,1042.5 133.2,894.4 137.2,827.3 155.2,764.2 156.1,464.6 152.8,214.9 461.9,191.4 957.0,144.0 1116.2,102.4 1327.7,66.2 1334.9,106.2 1450.5,775.5 1520.4,765.4 1525.7,1384.2 1379.3,1460.0 1443.2,1696.7 1526.2,1681.5 1524.7,1783.5 1233.2,1862.2 1212.0,1816.0 601.4,1622.8 629.9,1602.6 540.0,1589.6 501.3,1560.4 462.2,1375.6 430.8,1507.9 383.7,1552.3 300.1,1566.3 226.7,1457.0 196.2,1388.4 183.5,1348.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[957.0,144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7465127,42.1222315]}},{"type":"Feature","properties":{"resourceCoords":[1046.0,959.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7468413,42.1206716]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1900 | sanborn03883_004 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:40:08Z","modified":"2026-10-18T22:40:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"84.2,229.4 140.5,98.6 155.9,59.1 327.9,100.5 481.8,142.7 648.8,106.9 717.0,113.0 794.9,75.5 868.6,59.8 867.9,65.3 867.0,140.4 888.0,270.2 969.8,292.4 1031.1,271.6 1114.8,164.6 1073.2,348.7 1096.2,391.4 1172.4,440.6 1138.1,447.1 1612.0,877.2 1612.0,923.1 1612.0,928.0 1585.1,923.4 1541.1,1860.0 37.0,1855.3 41.5,394.0 83.9,230.3 84.2,229.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[456.0,99.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.75030287399547,42.12010420963253]}},{"type":"Feature","properties":{"resourceCoords":[1009.0,1735.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74818058915997,42.1171716699877]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1900 | sanborn03883_004 p13 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.80"},{"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":"3846.0"},{"label":"split_canvas_h","value":"4260.0"}],"created":"2026-10-18T22:40:08Z","modified":"2026-10-18T22:40:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"18.2,1018.6 276.9,1053.0 431.9,1004.8 499.2,731.8 499.2,718.5 499.5,718.5 502.5,718.5 503.3,715.5 935.4,713.1 917.6,36.6 33.3,49.1 18.2,1018.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[606.7,69.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7410217,42.1342212]}},{"type":"Feature","properties":{"resourceCoords":[177.9,69.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7417485,42.1335682]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0013__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1900 | sanborn03883_004 p13 [4]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.56"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3243.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4408.8"}],"created":"2026-10-18T22:40:08Z","modified":"2026-10-18T22:40:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0013__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"395.7,1912.0 658.5,1912.0 661.5,1907.9 1554.6,1905.4 1589.3,1358.4 1548.0,1126.0 1441.0,965.7 1305.1,875.3 1204.3,1039.8 1054.1,1011.1 961.5,1126.0 961.5,1134.3 961.5,1134.5 954.6,1134.5 951.3,1138.7 897.5,1134.5 499.5,1134.5 499.5,1134.3 499.5,1115.5 499.5,1103.5 163.1,1077.4 1.0,1381.2 1.0,1418.3 149.4,1652.5 52.7,1688.1 395.7,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0013__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1149.0,1445.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7421737,42.1248055]}},{"type":"Feature","properties":{"resourceCoords":[1413.0,1445.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.741815,42.124406]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1900 | sanborn03883_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:40:08Z","modified":"2026-10-18T22:40:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1271.8,1896.4 1275.5,1906.4 1253.2,1912.0 967.7,1912.0 930.2,1868.8 235.9,1821.3 53.9,1706.0 42.0,1140.0 144.1,1076.5 163.8,943.8 54.2,761.6 133.3,590.5 73.2,189.0 130.2,125.4 258.6,139.8 503.2,52.1 729.1,87.3 1483.8,41.7 1477.2,190.8 1341.1,290.6 1320.2,388.2 1368.4,583.5 1565.8,830.4 1597.2,1668.5 1524.7,1870.3 1530.7,1879.8 1271.8,1896.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1064.0,1097.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74462636591075,42.13006725328888]}},{"type":"Feature","properties":{"resourceCoords":[769.0,1097.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74522313535752,42.13042096948979]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1900 | sanborn03883_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:40:08Z","modified":"2026-10-18T22:40:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"290.4,1835.7 256.2,1858.5 153.7,1868.4 26.9,1232.2 76.8,103.9 344.9,19.4 873.9,14.9 1314.7,104.5 1463.6,57.6 1459.0,472.6 1426.0,883.5 1443.0,965.3 1443.4,1247.2 1440.1,1455.0 1445.3,1764.9 1445.5,1777.5 1018.5,1703.5 998.0,1912.0 808.3,1911.0 808.3,1912.0 365.4,1912.0 360.0,1845.8 290.4,1835.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[663.0,768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74879714061231,42.12790695040632]}},{"type":"Feature","properties":{"resourceCoords":[1440.0,1790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74767362357552,42.125587762469365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1900 | sanborn03883_004 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"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":"2026-10-18T22:40:08Z","modified":"2026-10-18T22:40:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1540.2,1693.8 1612.0,1680.6 1612.0,1610.3 1491.5,1497.6 1398.0,1117.1 1488.8,1155.3 1541.6,875.8 1530.0,879.8 1346.0,872.2 1200.8,782.6 923.8,782.5 842.8,106.2 599.2,9.3 598.3,20.1 502.2,1.0 341.1,1.0 291.6,13.4 256.4,430.9 192.9,842.2 204.0,925.8 183.7,1209.7 165.0,1418.7 147.5,1731.0 145.9,1759.8 1175.2,1776.4 1351.4,1773.3 1416.4,1776.7 1450.2,1790.9 1582.8,1874.2 1540.2,1693.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[177.0,841.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74704241834326,42.12726466401936]}},{"type":"Feature","properties":{"resourceCoords":[1120.0,1769.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7452369771245,42.125134946148606]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1900 | sanborn03883_004 p4 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3698.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2753.2"},{"label":"split_canvas_h","value":"3130.0"}],"created":"2026-10-18T22:40:08Z","modified":"2026-10-18T22:40:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1052.7,781.5 1125.6,781.5 1132.9,734.9 1387.0,665.9 1402.8,751.5 1561.4,742.9 1588.0,645.8 1579.5,124.0 1527.1,34.8 1352.1,46.4 1349.3,75.9 1048.0,81.0 1052.7,781.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1035.6,45.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74556203633284,42.12218125485237]}},{"type":"Feature","properties":{"resourceCoords":[1035.6,83.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74557154110796,42.12211060287228]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1900 | sanborn03883_004 p5","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:40:08Z","modified":"2026-10-18T22:40:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"128.8,1764.7 140.1,1407.5 146.2,963.0 138.2,711.4 136.8,551.0 142.9,449.1 164.6,225.6 1185.4,281.4 1360.3,285.1 1424.8,290.9 1457.8,306.2 1586.2,394.0 1596.8,448.4 1524.0,699.6 1579.7,1313.3 1547.8,1700.0 1572.4,1788.5 1612.0,1782.1 1612.0,1811.0 1319.5,1843.6 1315.0,1803.0 1100.3,1824.4 937.7,1854.9 437.6,1867.6 126.0,1869.4 128.8,1764.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[658.0,1339.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.746965,42.123304]}},{"type":"Feature","properties":{"resourceCoords":[1315.0,1803.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.745531,42.1221901]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1900 | sanborn03883_004 p6 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.97"},{"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":"2026-10-18T22:40:08Z","modified":"2026-10-18T22:40:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"243.1,1793.2 1499.8,1806.7 1479.1,1447.5 1445.5,1001.2 1415.0,749.6 1399.2,588.9 1396.2,486.1 1398.0,260.0 1398.1,243.8 968.9,159.5 943.4,369.4 752.0,363.9 752.0,551.0 752.0,551.0 752.0,551.0 254.1,551.0 88.0,904.4 189.2,912.0 207.3,1194.4 231.5,1649.8 243.1,1793.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[842.0,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.750132,42.12306]}},{"type":"Feature","properties":{"resourceCoords":[1398.0,260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.747662,42.125578]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1900 | sanborn03883_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.65"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:40:08Z","modified":"2026-10-18T22:40:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.3,1773.4 161.4,1111.9 134.5,1109.9 58.4,348.6 115.8,347.4 137.1,195.8 401.6,37.5 1301.4,27.8 1500.0,101.3 1577.8,901.6 1581.1,1712.0 1582.6,1711.8 1584.2,1811.7 1603.6,1846.5 1588.6,1912.0 1446.9,1912.0 1008.9,1674.2 995.9,1770.8 723.9,1772.5 285.7,1770.3 147.5,1773.4 118.3,1773.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[518.0,1771.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.75138821458711,42.12410594184969]}},{"type":"Feature","properties":{"resourceCoords":[271.0,1771.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.75153492095616,42.12362942384476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1900 | sanborn03883_004 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:40:08Z","modified":"2026-10-18T22:40:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"840.7,124.2 843.4,96.9 1514.2,156.1 1511.3,273.4 1503.3,590.5 1492.9,893.4 1472.0,1715.6 1485.4,1791.2 942.5,1890.1 457.6,1869.1 299.4,1717.6 263.4,1541.2 63.4,1461.9 65.8,183.7 840.7,124.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1478.0,870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.75208808727491,42.121985452152835]}},{"type":"Feature","properties":{"resourceCoords":[1478.0,572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7519314051051,42.122554176222856]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1900 | sanborn03883_004 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:40:08Z","modified":"2026-10-18T22:40:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"282.1,1724.3 257.0,892.4 250.5,585.8 240.7,264.9 236.2,116.3 1477.2,161.2 1480.9,265.4 1482.4,515.1 1479.6,814.8 1461.2,877.9 1456.8,944.9 1459.0,1093.1 1480.2,1288.9 1504.0,1399.8 1514.8,1434.2 1454.0,1479.0 1398.4,1545.2 1333.5,1567.8 1195.9,1669.2 1038.0,1694.0 864.1,1727.0 866.2,1769.4 871.6,1912.0 869.0,1912.0 868.7,1912.0 842.8,1760.9 397.6,1776.5 299.8,1800.0 282.1,1724.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831900:03883_1900-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1458.0,131.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74854519095254,42.12276464068019]}},{"type":"Feature","properties":{"resourceCoords":[262.0,1829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7526674173764,42.12018893818769]}}]}}]}