{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03883_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Westfield, Massachusetts | 1917 | 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":"38"},{"label":"placed","value":"29"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef-snap 19, georef 8, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"10 sheet(s) cut into 25 panels"},{"label":"unplaced pages","value":"p11__2 (tier 1, 42.11514,-72.74772 +/-100m); p16__1 (tier 1, 42.11935,-72.75790 +/-104m); p19__2 (tier 1, 42.11467,-72.75430 +/-100m); p21__2 (tier 1, 42.13167,-72.74391 +/-100m); p21__3 (tier 1, 42.13120,-72.74201 +/-134m); p24__2 (tier 1, 42.11335,-72.73642 +/-134m); p24__3 (tier 1, 42.12182,-72.77073 +/-145m); p4__1 (tier 1, 42.13563,-72.73947 +/-143m); p4__3 (tier 1, 42.12561,-72.74019 +/-119m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0010__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 | 1917 | sanborn03883_007 p10 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"465.8,1694.1 471.1,1753.3 639.6,1912.0 1095.6,1912.0 1127.8,1886.5 1124.0,1886.6 1078.8,1888.4 1239.3,217.1 1248.6,90.0 1143.8,85.5 1107.3,83.0 963.8,69.0 858.8,50.5 856.2,89.3 332.1,79.1 465.7,1693.1 465.8,1694.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[785.0,47.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7437453066805,42.119814429887796]}},{"type":"Feature","properties":{"resourceCoords":[1192.0,1878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74448086722924,42.11632339306828]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0010__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 | 1917 | sanborn03883_007 p10 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.15"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4694.8"},{"label":"split_canvas_y","value":"4684.8"},{"label":"split_canvas_w","value":"1757.2"},{"label":"split_canvas_h","value":"2967.2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,1176.6 1222.3,1171.2 1173.7,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1173.7,1171.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.74322444470818,42.119228598858385]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1171.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.74348755230697,42.118370481987625]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.74542476990621,42.118701921196156]}},{"type":"Feature","properties":{"resourceCoords":[1173.7,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.74516166230741,42.119560038066915]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0011__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 | 1917 | sanborn03883_007 p11 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"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":"3491.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.4,1626.7 78.9,1816.8 147.8,1817.3 268.1,1848.7 347.3,1857.0 695.9,1869.5 707.6,1580.8 747.4,1469.0 766.8,702.0 768.3,701.2 867.8,650.9 871.3,192.5 105.7,7.7 105.8,46.6 112.0,570.2 115.8,712.8 119.6,1510.5 95.1,1626.0 71.4,1626.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[699.9,1852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74581832739375,42.11421167705087]}},{"type":"Feature","properties":{"resourceCoords":[699.9,657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7463955045461,42.11640667260481]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0011__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p11 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.56"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2944.8"},{"label":"split_canvas_y","value":"2604.4"},{"label":"split_canvas_w","value":"3507.2"},{"label":"split_canvas_h","value":"5047.6"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0011__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"961.0,656.9 951.0,656.3 950.9,663.2 807.9,694.5 784.4,876.0 755.7,1521.2 852.2,1643.2 790.5,1650.0 775.6,1886.2 1403.2,1895.5 1544.5,1841.3 1591.2,1065.7 1601.7,1068.0 1612.0,1017.9 1612.0,749.0 1569.2,744.2 1218.9,712.0 1139.7,699.1 1020.3,660.8 961.0,656.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0011__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1432.0,1873.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.745458,42.112085]}},{"type":"Feature","properties":{"resourceCoords":[1667.0,755.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.745576,42.114203]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0012__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 | 1917 | sanborn03883_007 p12 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"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":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"132.5,1770.2 219.7,1873.0 232.0,1895.5 327.2,1845.2 452.4,1885.4 1008.4,1861.0 1146.7,1894.8 1446.6,1894.2 1565.8,1872.4 1599.2,1608.6 1560.2,1222.0 1591.5,821.3 1567.0,638.5 1581.3,136.6 1505.7,31.6 1466.2,67.1 1331.4,15.4 997.2,12.4 991.6,1.0 900.4,1.0 868.8,12.5 745.6,30.1 693.1,42.6 643.5,58.5 530.1,102.7 445.5,139.2 383.5,163.7 360.2,99.2 1.0,234.8 1.0,235.6 2.8,236.4 56.2,234.3 56.7,299.2 56.7,299.3 44.0,1153.6 66.9,1150.8 1.0,1214.0 1.0,1294.3 264.0,1257.6 262.6,1435.0 55.4,1435.0 1.0,1435.0 1.0,1588.0 13.2,1605.0 31.3,1662.2 114.6,1782.2 132.5,1770.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1298.0,839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7384477161325,42.11539048914627]}},{"type":"Feature","properties":{"resourceCoords":[57.0,1154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74470116217799,42.11636068082484]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0012__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 | 1917 | sanborn03883_007 p12 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5030.4"},{"label":"split_canvas_w","value":"1056.0"},{"label":"split_canvas_h","value":"709.6"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1374.5 1.0,1434.0 98.1,1434.0 177.6,1358.4 1.0,1374.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1257.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.74502819209088,42.11664525054956]}},{"type":"Feature","properties":{"resourceCoords":[264.0,1257.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.74443702324587,42.116424876196874]}},{"type":"Feature","properties":{"resourceCoords":[264.0,1435.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.74463735887065,42.11612924752375]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1435.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.74522852771567,42.11634962187644]}},{"type":"Feature","properties":{"resourceCoords":[205.0,1329.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7446498,42.1163551]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"102.7,440.8 136.9,475.9 98.6,1138.5 84.2,1136.5 84.8,1173.6 79.6,1184.8 77.5,1617.2 75.1,1660.1 97.4,1666.8 94.9,1715.5 352.5,1791.2 359.0,1772.4 408.4,1795.7 477.4,1822.0 489.1,1826.0 880.3,1820.8 880.1,1889.8 947.2,1887.9 1039.8,1882.3 1162.2,1879.3 1214.7,1881.3 1268.7,1887.5 1386.3,1912.0 1507.9,1912.0 1504.9,1884.1 1564.9,1859.2 1580.3,1728.4 1568.7,113.7 1517.7,119.2 1498.3,77.0 1177.5,78.4 1035.1,23.6 810.3,25.7 813.0,7.1 794.0,1.0 793.8,1.0 760.7,43.0 241.6,125.1 233.9,135.2 295.1,173.7 102.7,440.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[749.0,722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74109353380992,42.1234445498814]}},{"type":"Feature","properties":{"resourceCoords":[1303.0,159.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.73806338412915,42.125284901676494]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0014__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 | 1917 | sanborn03883_007 p14 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"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":"6452.0"},{"label":"split_canvas_h","value":"2934.8"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0014__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"172.7,648.0 191.9,643.5 519.5,602.5 498.4,502.7 671.5,520.5 1036.3,555.6 1375.1,590.7 1509.7,602.9 1512.8,317.9 1504.5,7.2 1495.4,40.3 1196.3,105.0 1178.0,150.9 1052.7,190.3 788.6,170.9 745.9,76.7 375.2,140.8 197.2,223.5 141.3,387.9 158.3,637.7 172.7,648.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0014__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[131.0,431.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7568761,42.1288667]}},{"type":"Feature","properties":{"resourceCoords":[474.0,386.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.75516,42.1287154]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0014__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 | 1917 | sanborn03883_007 p14 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.44"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2522.0"},{"label":"split_canvas_y","value":"2238.8"},{"label":"split_canvas_w","value":"3930.0"},{"label":"split_canvas_h","value":"5413.2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0014__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"682.1,744.8 677.7,1109.3 728.2,1262.7 656.6,1551.2 671.0,1734.9 731.6,1828.8 811.4,1855.7 1061.7,1825.2 1308.1,1879.8 1443.4,1844.4 1541.2,1856.2 1585.2,1791.3 1583.8,1436.2 1546.5,1304.2 1569.4,1252.5 1540.7,942.1 1561.1,801.5 1338.0,708.8 1354.3,675.0 1158.1,659.9 1056.7,597.9 1030.0,595.5 1016.5,594.2 1004.2,593.1 799.9,646.9 782.5,631.0 639.2,711.1 639.2,718.5 682.1,744.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1216.2,1344.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.73201794723434,42.129481878495675]}},{"type":"Feature","properties":{"resourceCoords":[1283.2,1570.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.73116452449277,42.12891133478933]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0014__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p14 [3]","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":"2349.2"},{"label":"split_canvas_w","value":"2560.8"},{"label":"split_canvas_h","value":"5302.8"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0014__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"570.3,1856.7 576.8,1631.8 571.2,1632.0 553.1,1035.5 614.2,1027.0 607.8,1003.0 544.7,736.1 514.6,627.0 498.3,619.8 501.5,631.8 395.5,690.5 363.1,673.5 201.2,734.5 225.0,784.1 194.4,839.3 89.8,917.7 71.8,1092.7 38.2,1141.3 68.2,1204.1 44.9,1316.8 74.7,1481.2 35.5,1654.2 76.7,1825.4 563.4,1840.7 570.3,1856.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0014__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[173.1,1635.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.76062605709312,42.12524519151242]}},{"type":"Feature","properties":{"resourceCoords":[173.1,1054.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.75938308595487,42.12717489853763]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1889.3 1.0,1900.3 127.1,1846.4 190.2,1816.5 261.4,1794.0 329.5,1783.5 532.6,1787.5 733.8,1785.0 805.2,1785.0 895.5,1784.8 1254.1,1880.8 1257.5,1894.1 1262.2,1912.0 1574.7,1912.0 1572.7,1583.6 1573.3,1423.8 1572.0,1179.0 1569.8,1105.0 1569.1,870.2 1567.0,724.6 1563.8,724.1 1584.4,409.3 1605.1,398.7 1603.6,178.9 1580.1,174.4 1445.3,160.0 1106.2,119.2 741.0,77.9 567.5,57.1 587.1,157.6 257.9,193.2 238.6,197.4 244.9,310.1 249.9,583.2 251.1,608.1 189.8,603.5 81.5,1188.2 86.9,1189.2 33.1,1406.9 79.6,1648.3 67.5,1835.0 46.6,1873.7 1.0,1889.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[537.0,1532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.75702289369154,42.1230008593681]}},{"type":"Feature","properties":{"resourceCoords":[1319.0,158.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.75165802018422,42.12727560860091]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0016__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 | 1917 | sanborn03883_007 p16 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"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":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0016__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"452.1,1343.9 530.6,1495.0 669.5,1573.9 669.5,1764.3 767.0,1570.8 836.1,1621.0 1330.2,1889.9 1332.7,1873.3 1353.1,1741.1 1376.4,1526.3 1384.3,1423.6 1382.6,1382.2 1371.2,1243.9 1346.8,925.8 1340.7,765.9 1325.2,638.7 1348.4,633.0 1537.2,533.1 1612.0,518.0 1612.0,351.2 1288.4,167.7 1200.5,145.0 1131.6,127.2 1131.0,127.0 934.6,78.6 738.0,23.4 669.1,16.4 594.1,20.2 525.2,33.4 387.8,54.1 390.6,43.4 68.5,68.2 40.7,497.2 60.9,1077.8 52.5,1075.0 133.1,1124.0 452.1,1343.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0016__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[764.0,1141.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.75806623725782,42.11816911654482]}},{"type":"Feature","properties":{"resourceCoords":[484.0,39.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7595732313037,42.1221951456246]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.8,1334.2 143.7,1376.5 311.6,1462.6 439.2,1523.7 514.7,1563.0 473.5,1610.3 445.6,1636.3 441.5,1640.2 477.1,1631.7 480.4,1629.4 860.7,1711.3 1140.6,1838.4 1543.8,1869.0 1544.3,1912.0 1556.4,1912.0 1570.6,1853.5 1580.4,1447.5 1580.5,1375.0 1585.1,1108.4 1586.4,1057.7 1591.6,714.3 1586.2,677.0 1584.2,618.3 1576.2,533.3 1612.0,430.2 1612.0,263.4 1578.8,331.9 1556.8,377.4 1551.6,375.2 1544.3,306.6 1547.0,267.4 1554.9,226.5 1574.1,167.0 1520.9,256.2 1486.9,283.1 899.4,118.7 929.5,50.4 865.7,1.0 561.1,1.0 359.7,60.5 335.9,61.4 325.7,189.1 300.1,347.0 260.9,663.6 244.7,801.4 238.1,842.3 210.0,941.4 144.6,1147.2 98.4,1272.7 75.8,1334.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[475.0,708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.75396416510704,42.11785384764926]}},{"type":"Feature","properties":{"resourceCoords":[1567.0,1698.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.747606990774,42.1151859795873]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1548.0,1862.1 1439.0,1893.0 73.7,1878.9 36.4,1773.5 67.2,1685.0 51.3,1458.4 85.0,1359.9 53.7,1318.4 88.1,1274.2 55.9,1132.3 67.2,970.5 37.7,932.2 32.2,86.3 63.4,43.9 223.5,14.2 844.7,27.8 948.6,5.3 1043.1,7.0 1430.1,36.8 1612.0,151.8 1612.0,621.6 1539.2,794.6 1552.6,791.5 1567.4,788.0 1580.5,783.9 1584.2,782.6 1458.2,1786.2 1593.2,1796.3 1548.0,1862.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[165.0,927.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.76719403728971,42.11678637279761]}},{"type":"Feature","properties":{"resourceCoords":[165.0,653.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.76653837727248,42.117665867141774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0019__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 | 1917 | sanborn03883_007 p19 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.39"},{"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":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"249.8,1912.0 263.7,1888.5 366.4,1869.9 890.3,1888.2 1235.7,1794.9 1523.0,1822.6 1510.9,1668.3 1592.8,1448.4 1591.7,1168.7 1534.5,802.7 1560.3,781.5 1542.9,714.0 1596.6,538.8 1571.0,323.1 1516.9,240.0 1545.9,216.8 1507.8,158.2 1521.5,82.7 1502.5,114.3 1503.7,70.4 1498.7,7.6 1417.2,34.7 1283.6,84.0 1103.5,145.1 1025.3,164.4 1004.3,120.4 441.4,179.0 355.5,176.6 421.4,683.0 261.2,683.0 184.9,683.0 188.6,735.7 126.8,916.4 154.6,907.7 171.0,901.0 114.0,1912.0 249.8,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0019__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":[-72.75899518913985,42.11784646953491]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.75234948828093,42.114614459771566]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.75748051589521,42.10872642581466]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.76412621675414,42.111958435577996]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"95.3,482.6 164.6,1093.7 207.0,1656.3 254.1,1660.2 255.1,1670.0 409.3,1665.0 687.9,1673.5 1061.2,1677.2 1348.0,1669.4 1396.2,1668.0 1418.9,1667.5 1467.9,1666.1 1464.9,1453.1 1455.9,1164.2 1479.2,1113.7 1532.8,236.1 1612.0,231.8 1612.0,48.7 1545.4,28.8 1514.1,19.4 1452.1,1.0 1280.3,1.0 1297.5,50.3 1157.0,106.8 731.0,110.2 500.0,38.1 300.1,77.2 306.0,181.9 138.3,247.9 95.3,482.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[670.0,1678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74932539677165,42.12667119972649]}},{"type":"Feature","properties":{"resourceCoords":[272.0,1678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.75027443686419,42.12691622761456]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"340.3,29.8 159.4,140.3 170.6,228.8 43.8,381.9 42.4,611.2 1.0,641.1 1.0,1835.9 100.9,1763.8 479.8,1850.5 645.1,1775.2 752.0,1912.0 766.9,1912.0 1446.3,1198.7 1385.4,1130.9 1370.2,1061.8 1384.3,1016.8 1426.0,758.5 1604.0,764.3 1612.0,764.4 1609.2,705.6 1612.0,629.7 1612.0,63.5 364.1,128.8 340.3,29.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[732.0,1036.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7445684119253,42.130061944551905]}},{"type":"Feature","properties":{"resourceCoords":[1426.0,720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74418583185661,42.1314775963015]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0021__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 | 1917 | sanborn03883_007 p21 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.23"},{"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":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0021__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1485.5,1885.2 1482.3,1825.7 1477.5,1737.3 1482.7,1605.4 1493.3,1548.4 1493.1,1349.5 1487.0,1030.0 1485.5,657.3 1487.9,175.8 1484.7,1.0 1377.2,1.0 1305.2,60.4 991.5,30.3 948.4,94.7 633.4,133.1 577.7,53.9 409.4,48.3 193.9,149.0 120.6,60.0 289.8,470.5 325.6,470.5 402.7,470.5 426.6,592.9 465.7,792.5 519.3,907.5 721.5,1341.5 772.5,1451.1 773.3,1550.0 773.7,1598.8 774.1,1655.1 873.9,1907.2 1424.5,1892.1 1485.5,1885.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1487.0,1030.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7424804,42.1329101]}},{"type":"Feature","properties":{"resourceCoords":[1487.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7410217,42.1342212]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,538.7 1612.0,1293.7 1496.8,1912.0 1445.6,1912.0 1444.0,1912.0 1433.3,1879.1 510.1,1893.9 89.3,1830.8 111.3,1582.4 74.2,799.7 42.2,741.0 94.8,460.2 64.2,229.4 86.2,68.8 223.6,24.5 354.8,62.5 423.8,26.3 548.5,19.2 1139.4,20.7 1314.0,76.9 1333.7,56.9 1346.9,79.4 1501.9,87.8 1505.2,66.5 1563.5,82.5 1561.2,223.0 1589.9,293.0 1612.0,538.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[748.0,151.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7471237030444,42.137493234897434]}},{"type":"Feature","properties":{"resourceCoords":[857.0,1382.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74892407405189,42.13317979807379]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0023__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 | 1917 | sanborn03883_007 p23 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"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":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0023__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"359.4,1550.9 745.9,1873.7 746.4,1881.2 746.9,1880.8 750.9,1877.2 841.8,1873.0 984.7,1811.6 1037.2,1532.0 985.4,1452.2 986.7,1247.9 1095.7,1162.6 1413.7,1164.5 1397.2,1093.1 1516.0,905.2 1529.9,813.5 1576.2,775.2 1569.4,772.8 1541.0,615.1 1561.2,604.0 1576.5,398.3 1586.8,375.3 1597.5,351.4 1585.9,361.0 1441.4,140.2 1485.0,90.1 1411.1,132.2 1312.6,53.0 1237.9,76.9 991.5,30.1 137.8,31.4 95.2,71.3 105.3,535.3 79.4,556.7 131.5,556.7 133.1,642.8 132.1,878.9 132.9,1061.6 136.0,1218.3 136.2,1315.8 130.9,1343.7 128.5,1408.3 130.8,1451.7 132.6,1485.0 135.6,1575.9 268.7,1588.6 292.1,1594.3 326.9,1584.2 359.4,1550.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0023__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1121.0,67.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.73551142709027,42.13341997373754]}},{"type":"Feature","properties":{"resourceCoords":[1121.0,601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.73720998487187,42.13189486856285]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0023__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 | 1917 | sanborn03883_007 p23 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4148.8"},{"label":"split_canvas_y","value":"4865.2"},{"label":"split_canvas_w","value":"2303.2"},{"label":"split_canvas_h","value":"2786.8"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0023__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1138.8,1792.3 1144.5,1787.8 1164.7,1707.2 1096.6,1324.9 1093.3,1309.0 1084.3,1297.5 1068.4,1300.7 1061.0,1362.2 1065.5,1710.8 1067.1,1783.7 1071.6,1789.4 1102.3,1793.1 1138.8,1792.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0023__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1082.2,1322.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7403002,42.1349035]}},{"type":"Feature","properties":{"resourceCoords":[1082.2,1791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7410217,42.1342212]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0024__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 | 1917 | sanborn03883_007 p24 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.79"},{"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":"3702.0"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0024__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1426.5,530.3 1518.5,488.0 1532.3,413.9 1572.2,379.6 1559.2,91.0 1470.5,80.0 1358.8,79.5 1322.2,60.5 1065.8,82.8 553.4,15.6 437.1,57.1 93.0,87.8 28.7,320.5 61.8,444.6 54.2,575.5 118.7,828.6 98.2,862.0 190.6,907.1 538.4,910.5 879.4,777.7 913.1,833.9 1137.4,854.2 1287.0,833.3 1275.5,790.8 1403.6,731.9 1426.5,530.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0024__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[738.0,420.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7720914,42.1217588]}},{"type":"Feature","properties":{"resourceCoords":[38.0,420.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7752902,42.1228486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1229.5,1436.5 1120.5,880.6 1168.9,907.5 1310.7,738.0 1307.5,734.4 1308.0,554.1 1188.2,243.5 1323.6,166.8 1304.5,100.8 1025.9,1.0 422.5,1.0 321.9,874.3 295.9,923.6 289.4,1212.8 280.9,1425.8 278.5,1773.2 316.4,1772.5 933.4,1752.2 1288.5,1739.2 1281.6,1703.0 1229.5,1436.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[280.0,1425.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74741457833036,42.12620303182931]}},{"type":"Feature","properties":{"resourceCoords":[1115.0,868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74500105943704,42.1267704936112]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0004__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 | 1917 | sanborn03883_007 p4 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"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":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"449.5,952.5 218.2,1039.0 171.2,1052.5 126.3,1270.6 70.5,1269.8 432.5,1710.9 597.5,1912.0 695.3,1912.0 872.4,1806.3 909.5,1800.8 1077.8,1803.9 1049.3,1152.7 907.1,1167.8 906.6,1142.8 1115.5,916.8 1115.5,915.3 1116.9,915.3 1612.0,379.7 1612.0,192.4 1522.7,37.8 659.0,111.0 508.7,248.1 756.7,605.0 697.5,866.4 449.5,952.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[904.0,149.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7415413145675,42.12714891874985]}},{"type":"Feature","properties":{"resourceCoords":[904.0,1177.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74334272973121,42.12578490114381]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p5","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"213.4,1886.3 1440.0,1874.4 1410.1,1495.5 1418.8,1493.8 1344.8,365.6 1309.7,367.0 1304.8,33.5 1257.7,33.3 1189.5,33.0 913.8,31.7 555.3,16.8 303.9,1.0 139.7,1.0 171.3,406.2 133.5,429.0 136.9,1027.2 143.1,1027.5 166.5,1302.7 199.2,1746.7 213.4,1886.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[798.0,1494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7498286,42.1237797]}},{"type":"Feature","properties":{"resourceCoords":[798.0,1881.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.750132,42.12306]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"445.5,1683.6 1.0,1752.0 1.0,1781.0 1317.9,1676.0 1377.7,1599.0 1417.5,1534.0 1466.0,1454.6 1480.1,1419.6 1478.5,1212.1 1527.0,1127.5 1515.0,1129.3 1478.1,1135.0 1478.0,774.9 1480.4,149.2 1480.4,147.9 287.2,156.4 292.5,196.2 323.3,430.6 372.1,829.6 431.9,1300.5 381.4,1308.8 445.5,1683.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1400.0,1568.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74419185037704,42.124781053931926]}},{"type":"Feature","properties":{"resourceCoords":[353.0,693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74693638929278,42.12329685249863]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p7","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1745.9 1612.0,1079.3 1532.5,1039.3 1501.7,1005.0 1479.0,901.3 1490.5,587.6 1496.2,326.2 1495.3,217.1 197.5,134.1 198.9,626.0 196.8,947.2 199.0,1609.2 1.0,1608.6 1.0,1662.4 199.0,1704.2 204.4,1853.2 1405.1,1637.2 1442.8,1559.0 1460.8,1352.1 1478.2,1475.9 1499.4,1556.4 1528.9,1629.4 1601.8,1746.5 1612.0,1745.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[816.0,174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.750132,42.12306]}},{"type":"Feature","properties":{"resourceCoords":[198.0,1330.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7522749,42.1212493]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"137.1,168.8 97.8,250.2 99.7,278.2 1.0,291.1 1.0,323.6 39.5,318.4 44.2,353.8 1.0,360.8 1.0,440.8 38.0,505.3 39.7,674.0 64.6,735.0 54.0,1035.4 47.3,1492.4 46.1,1746.4 36.5,1835.1 121.6,1828.0 972.1,1713.8 995.5,1720.8 1512.0,1640.8 1447.8,1267.4 1498.1,1259.1 1438.0,789.9 1389.0,392.4 1358.0,158.9 1351.6,110.1 952.0,118.7 843.8,121.3 584.4,119.9 273.1,113.5 170.6,137.7 137.1,168.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1338.0,110.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74830347177186,42.12339667013508]}},{"type":"Feature","properties":{"resourceCoords":[77.0,1853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74484586523127,42.120344440792095]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Westfield, Massachusetts | 1917 | sanborn03883_007 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T18:14:30Z","modified":"2026-10-19T18:14:30Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"374.4,1880.9 1159.0,1827.3 1185.0,1912.0 1235.8,1912.0 1529.4,214.9 1485.7,202.0 1400.1,181.0 1151.3,146.4 704.4,79.9 411.4,30.1 348.4,46.4 182.9,26.0 113.0,54.5 36.5,44.2 35.3,1.0 1.0,1.0 1.0,860.6 69.5,1010.5 110.9,1118.0 144.9,1183.7 356.0,1823.2 374.4,1880.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038831917:03883_1917-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[302.0,1701.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74831153549671,42.11773671382897]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,226.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.74470150153925,42.12021677038687]}}]}}]}