{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03897_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Worcester, Massachusetts | 1910 | mapsnap generated fit (2026-10-24)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-24"},{"label":"run","value":"corpus-v2.2"},{"label":"pages","value":"105"},{"label":"placed","value":"88"},{"label":"unplaced","value":"17"},{"label":"fit sources","value":"georef-snap 58, georef 29, snap:0 1, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"11 sheet(s) cut into 22 panels"},{"label":"unplaced pages","value":"p0__2 (tier 1, 42.25123,-71.80071 +/-100m); p226 (tier 2, 42.26124,-71.79828 +/-122m); p232 (tier 2, 42.25724,-71.80131 +/-203m); p278__1 (tier 1, 42.23912,-71.83358 +/-261m); p282__2 (tier 1, 42.24375,-71.82194 +/-141m); p290__2 (tier 1, 42.24432,-71.79785 +/-112m); p290__3 (tier 1, 42.24568,-71.80052 +/-114m); p298 (tier 2, 42.23324,-71.79400 +/-226m); p299__1 (tier 1, 42.23446,-71.79756 +/-262m); p303__2 (tier 1, 42.22934,-71.79026 +/-100m); p304 (tier 3, 42.24006,-71.80715 +/-521m); p308__2 (tier 1, 42.23169,-71.81885 +/-109m); p312 (tier 1, 42.23388,-71.85204 +/-242m); p313__2 (tier 1, 42.22965,-71.84508 +/-100m); p314__1 (tier 1, 42.23096,-71.83637 +/-428m); p314__2 (tier 1, 42.23157,-71.82889 +/-188m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0225/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p225","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.71"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0225/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0225","type":"ImageService3","width":1654,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"188.2,1380.4 196.7,1302.4 255.9,965.2 295.7,647.6 330.5,265.6 536.5,179.8 1505.2,168.2 1415.5,405.0 1518.8,1413.8 1443.5,1627.7 1500.1,1753.2 1391.2,1755.2 898.1,1734.2 912.5,1412.7 845.8,1410.8 153.2,1867.2 171.4,1737.1 178.7,1638.2 175.8,1533.5 166.3,1473.2 188.2,1380.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0225/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[930.0,960.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8005317,42.2627593]}},{"type":"Feature","properties":{"resourceCoords":[1396.0,571.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8009299,42.2638168]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0226s/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p226s","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.20"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0226s/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0226s","type":"ImageService3","width":1654,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"11.0,1424.0 11.0,1431.4 111.8,1420.8 198.5,1449.5 372.6,1585.9 322.4,1500.4 337.0,1443.0 391.0,1398.7 738.6,1371.8 969.6,1347.9 1072.5,1316.0 1131.5,1290.2 1234.8,1228.6 1196.6,1184.4 1303.1,1089.2 1389.5,976.8 1424.5,914.5 1486.6,770.6 1529.6,641.9 1548.7,565.2 1552.7,565.6 1552.6,563.4 1545.5,460.6 1270.1,402.3 1190.0,317.2 1229.6,264.3 1146.8,186.7 1049.3,229.4 596.0,395.3 488.4,99.5 427.4,122.8 1.0,753.4 1.0,918.8 56.9,1163.1 69.9,1266.6 62.1,1330.8 22.5,1397.7 1.0,1415.1 1.0,1423.1 11.0,1424.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0226s/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[9.0,954.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7989537,42.2606351]}},{"type":"Feature","properties":{"resourceCoords":[-163.0,434.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8001559,42.2611187]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0227/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p227","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0227/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0227","type":"ImageService3","width":1654,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"833.2,54.3 1172.6,45.3 1200.8,70.8 1230.8,97.9 1323.8,1098.1 1286.2,1221.3 1274.0,1325.1 1277.9,1611.3 1293.8,1746.4 1323.5,1843.4 1167.4,1882.8 1078.5,1884.5 544.8,1872.8 440.6,1948.0 394.4,1948.0 432.2,1840.5 427.5,1776.0 440.5,1631.1 424.5,1414.1 410.8,970.8 401.1,585.1 387.6,74.2 833.2,54.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0227/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[416.0,494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79707242730194,42.258571296374306]}},{"type":"Feature","properties":{"resourceCoords":[416.0,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7981658154359,42.258553557855166]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0228/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p228","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.09"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0228/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0228","type":"ImageService3","width":1654,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1653.0,336.1 1653.0,342.0 1574.0,485.2 1578.8,1100.3 1535.3,1352.0 1410.1,1588.7 1455.0,1768.7 561.4,1765.0 522.0,1787.2 471.9,1708.0 424.7,1591.3 351.6,1336.9 337.1,1241.4 340.7,1122.3 14.2,252.6 75.3,283.5 129.3,350.4 197.5,547.4 201.4,454.0 242.3,416.0 307.7,408.6 596.7,564.7 791.8,663.8 889.6,691.0 949.5,700.7 1062.7,704.7 1055.0,650.2 1187.9,629.2 1313.8,584.2 1373.3,552.9 1495.9,470.6 1595.7,390.6 1650.0,339.7 1653.0,336.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0228/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[340.0,1192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7954613,42.260208]}},{"type":"Feature","properties":{"resourceCoords":[1084.0,854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7958532,42.2617851]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0229/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p229","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0229/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0229","type":"ImageService3","width":1654,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1368.0,1455.0 532.2,1520.0 192.4,1540.8 196.3,1216.0 185.4,621.8 200.1,563.9 189.6,267.0 212.1,288.0 752.4,179.7 1069.7,243.8 1151.3,193.4 1197.8,268.8 1404.3,279.9 1430.5,264.9 1445.2,644.2 1446.8,960.9 1431.8,1299.3 1433.4,1376.9 1423.9,1470.8 1368.0,1455.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0229/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1029.0,298.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80313254686601,42.26163138680235]}},{"type":"Feature","properties":{"resourceCoords":[208.0,1501.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80167074288305,42.259199062737466]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0230/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p230","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0230/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0230","type":"ImageService3","width":1654,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"167.8,1270.4 1.0,1743.7 1.0,1948.0 751.6,1948.0 1156.8,1721.3 1160.0,1762.0 1535.0,1738.7 1517.7,1532.9 1478.2,1090.9 1454.2,754.0 1466.0,716.4 1469.8,683.7 1450.9,607.2 1411.0,555.2 1328.0,489.6 1110.3,350.1 997.0,234.7 1005.9,282.9 894.1,215.9 806.6,171.0 710.0,133.1 651.3,118.4 609.3,158.7 241.7,913.9 87.3,1218.0 167.8,1270.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0230/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1488.0,1521.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79817260429992,42.25852597933857]}},{"type":"Feature","properties":{"resourceCoords":[98.0,1222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80158118543545,42.25912888450506]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0231/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p231","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0231/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0231","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"810.0,1714.1 438.1,1628.0 270.4,1583.0 67.4,1533.8 55.8,706.3 109.3,452.2 49.3,312.3 147.3,215.2 156.8,213.7 445.8,161.5 504.5,167.7 1084.1,73.1 1402.3,31.0 1496.7,21.8 1657.0,482.0 1657.0,1585.6 1590.6,1648.8 1592.8,1636.5 1351.5,1674.0 1305.0,1691.8 1261.5,1736.1 1235.0,1789.0 1225.9,1747.5 803.6,1777.5 810.0,1714.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0231/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[515.0,148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80349544056557,42.260023980711246]}},{"type":"Feature","properties":{"resourceCoords":[825.0,1727.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80543358552535,42.257416506558705]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0233/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p233","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0233/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0233","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"889.4,407.8 1039.3,748.9 1224.9,662.4 1431.9,1122.0 1553.5,1393.2 1074.1,1669.5 1105.8,1723.0 1138.5,1806.1 828.1,1730.7 494.0,1652.0 591.1,1229.0 585.7,1144.3 516.2,992.2 373.3,1056.7 166.4,590.8 542.0,61.7 926.1,391.0 889.4,407.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0233/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[876.0,1308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7969241,42.2574708]}},{"type":"Feature","properties":{"resourceCoords":[494.0,1652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.796476,42.256585]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0234/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p234","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0234/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0234","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.5,1182.0 313.8,929.7 534.5,696.6 445.7,683.7 383.2,684.7 381.4,128.6 464.9,136.7 902.6,177.0 1118.1,187.6 1259.1,218.1 1323.1,221.2 1424.2,271.4 1430.7,227.6 1568.5,478.6 1493.8,1581.7 907.8,1624.6 835.5,1655.5 717.2,1791.1 430.5,1521.9 222.9,1330.8 78.5,1182.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0234/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[494.0,706.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79562873942608,42.25755698669208]}},{"type":"Feature","properties":{"resourceCoords":[52.0,1222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79652654066938,42.25650537720187]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0235/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p235","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0235/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0235","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"524.9,1411.1 433.9,1722.0 261.7,1661.8 326.9,1492.0 364.3,1345.8 401.4,1302.3 487.0,1288.0 423.2,1200.5 322.4,1121.6 317.1,1077.8 360.9,1029.6 373.5,946.0 373.0,873.2 344.3,640.4 329.7,550.4 262.6,265.6 227.6,111.2 392.1,73.2 477.0,84.9 876.0,266.5 1060.5,363.2 1039.5,407.4 1009.9,469.8 1602.0,1769.0 1572.0,1774.0 1539.8,1778.9 994.6,1861.7 957.0,1866.1 775.8,1620.5 734.8,1595.4 680.2,1534.9 568.8,1438.3 538.5,1395.8 525.7,1397.8 524.9,1411.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0235/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[336.0,580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7979183,42.256192]}},{"type":"Feature","properties":{"resourceCoords":[1572.0,1774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7954281,42.2536607]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0236/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p236","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0236/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0236","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"171.8,305.2 198.3,271.8 214.7,251.2 245.0,213.0 469.6,384.9 780.4,627.6 886.1,481.5 955.5,444.1 1536.6,348.0 1573.0,1924.1 1524.4,1923.5 1525.3,1773.2 1388.3,1768.2 872.4,1731.0 775.2,1720.5 455.2,1701.0 171.8,305.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0236/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[669.0,1006.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.794919,42.254949]}},{"type":"Feature","properties":{"resourceCoords":[245.0,213.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7960694,42.2563534]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0237/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p237","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0237/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0237","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"546.4,1625.5 1070.3,1704.1 1471.5,1768.5 1538.8,1763.2 1531.5,1734.4 1395.3,1347.2 1269.4,1018.3 1193.4,799.0 1125.5,578.0 1032.0,289.1 1001.1,252.4 968.8,178.2 894.0,51.9 878.8,2.1 878.5,1.0 865.7,1.0 861.1,12.3 677.2,277.1 500.2,521.5 338.3,750.7 134.2,1032.0 76.1,1124.5 49.2,1167.3 630.3,1476.3 546.4,1625.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0237/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[661.0,263.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79821059530406,42.254132744861835]}},{"type":"Feature","properties":{"resourceCoords":[1372.0,1335.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79607759901478,42.25238487504968]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0238/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p238","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0238/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0238","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"339.9,614.0 712.0,436.3 1027.0,275.1 1238.0,175.5 1451.4,84.0 1447.8,121.6 1410.3,704.4 1393.3,1055.7 1384.0,1153.2 1353.2,1670.8 1349.8,1808.1 1199.2,1809.1 1199.2,1857.8 720.1,1874.8 300.6,1805.5 294.4,1807.5 304.9,1770.7 310.1,1426.5 318.2,1042.0 317.6,939.9 326.0,684.9 311.9,624.5 339.9,614.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0238/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1196.0,1806.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79269628249111,42.253354020124284]}},{"type":"Feature","properties":{"resourceCoords":[700.0,430.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7960303590566,42.25234670362689]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0239/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p239","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0239/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0239","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"394.9,1903.9 439.0,1902.2 600.5,1915.4 634.7,1459.5 1081.2,1858.0 1279.5,1633.3 1478.3,1417.7 1657.0,1216.5 1657.0,1196.0 1657.0,1183.8 1656.4,1183.4 1356.9,964.6 931.4,646.5 1138.3,422.1 1167.6,391.8 807.2,9.8 803.5,70.0 634.1,1.0 162.9,1.0 162.0,16.0 22.0,12.0 13.0,9.0 13.0,1.0 1.0,1.0 1.0,130.6 165.4,831.6 166.9,851.9 105.0,849.8 79.4,1279.6 51.2,1678.0 29.9,1948.0 87.0,1948.0 394.9,1903.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0239/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[110.0,852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80405925178187,42.25525299933524]}},{"type":"Feature","properties":{"resourceCoords":[654.0,1902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80498051067711,42.25320860162243]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0240/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p240","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0240/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0240","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1366.3,1714.7 1440.5,1549.1 1485.6,1405.5 1525.0,1364.2 1611.0,1354.5 1552.2,1263.9 1456.0,1179.8 1453.1,1136.0 1499.4,1090.3 1516.5,1007.6 1520.0,935.1 1504.0,701.6 1494.3,611.1 1442.9,323.8 936.0,406.6 596.1,1.0 247.1,1.0 1.0,89.3 1.0,524.0 24.0,524.0 23.0,544.0 1.0,545.9 1.0,1064.1 117.6,1276.2 158.4,1231.9 197.8,1754.4 241.2,1749.1 804.6,1673.9 967.2,1660.4 1099.8,1655.5 1199.9,1661.6 1299.0,1685.0 1366.3,1714.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0240/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[753.0,729.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7997717,42.256194]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,641.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7979183,42.256192]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0241/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p241","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0241/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0241","type":"ImageService3","width":1660,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1063.7,1657.2 903.0,1680.0 714.0,1712.4 589.8,1729.0 386.7,1769.5 391.4,1755.3 294.0,1476.4 328.1,690.1 438.6,222.8 431.8,195.2 645.0,197.4 822.1,203.8 1212.0,204.0 1229.6,342.4 1249.0,547.6 1289.3,869.6 1316.9,1117.9 1343.3,1316.6 1351.4,1410.8 1383.1,1603.5 1063.7,1657.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0241/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[903.0,1680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.808779,42.2562873]}},{"type":"Feature","properties":{"resourceCoords":[1212.0,204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8054417,42.2574526]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0242/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p242","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0242/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0242","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1371.0,1544.5 1417.4,1135.8 1462.4,694.5 1526.1,699.4 1525.4,678.5 1396.5,1.0 1070.9,1.0 1003.4,73.5 1004.9,60.6 755.5,115.1 708.0,136.6 665.5,185.6 641.2,242.4 629.1,199.7 190.4,257.9 187.4,334.1 172.2,544.5 158.6,876.4 144.4,1131.7 137.4,1336.8 129.7,1433.2 129.1,1633.1 691.3,1636.5 1069.8,1805.3 1082.0,1851.4 1336.2,1829.9 1371.0,1544.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0242/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1455.0,754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80417449502109,42.255194979982534]}},{"type":"Feature","properties":{"resourceCoords":[152.0,1610.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80784354269575,42.25567903617856]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0243/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p243","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0243/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0243","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1154.4,1834.9 692.9,1851.2 440.6,1864.0 205.6,1868.5 215.0,1824.0 161.8,1646.7 179.3,849.9 117.8,758.6 242.0,361.6 443.4,319.0 566.6,301.1 754.1,266.8 913.6,242.2 1230.5,185.2 1276.6,442.8 1373.0,941.6 1392.7,1074.8 1413.7,1533.5 1422.7,1820.5 1154.4,1834.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0243/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[746.0,277.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80881117274542,42.25628815939665]}},{"type":"Feature","properties":{"resourceCoords":[229.0,1311.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8116149040282,42.25592746315715]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0244/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p244","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0244/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0244","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1258.4,290.2 1266.8,335.9 1317.3,590.9 1375.5,920.7 1424.0,1171.3 1455.5,1356.9 1473.9,1440.2 1506.5,1636.4 1528.1,1738.5 1549.3,1839.1 1564.5,1895.7 402.7,1757.4 131.6,1694.7 194.8,1412.9 289.5,960.9 303.7,826.2 335.0,316.3 354.7,53.8 902.0,98.2 1258.4,290.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0244/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[437.0,1752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81038778983908,42.253196570153904]}},{"type":"Feature","properties":{"resourceCoords":[1231.0,77.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80629320418348,42.25464289728717]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0245/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p245","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0245/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0245","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"47.4,1421.3 100.8,1029.0 61.6,585.1 177.8,67.5 415.7,66.2 671.1,56.9 1138.5,46.9 1410.2,36.1 1423.0,264.6 1430.4,570.8 1445.2,839.6 1455.3,1183.8 1465.5,1536.5 1478.0,1938.0 1328.5,1908.7 1075.4,1866.4 825.4,1850.3 645.2,1849.8 468.4,1841.5 166.1,1832.6 47.4,1421.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0245/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[747.0,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8153678911151,42.2526012575347]}},{"type":"Feature","properties":{"resourceCoords":[1449.0,57.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81086263141259,42.253547880609865]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0246/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p246","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0246/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0246","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1097.2,1633.2 877.5,1679.0 876.6,1749.4 855.4,1791.5 817.4,1800.5 145.6,1846.4 146.6,1948.0 72.0,1948.0 68.0,1487.4 150.2,1085.5 74.2,660.0 165.2,107.5 161.9,97.0 462.8,100.8 638.7,106.1 818.0,103.6 1066.9,115.4 1319.3,153.2 1468.4,179.9 1497.8,552.2 1510.2,755.5 1300.7,769.9 1379.0,1220.0 1448.2,1554.2 1097.2,1633.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0246/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[743.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8153623,42.2525975]}},{"type":"Feature","properties":{"resourceCoords":[1379.0,1220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8166427,42.2504746]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0247/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p247","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0247/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0247","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1550.9,394.6 1597.0,396.2 1559.8,1516.1 1501.8,1515.9 1478.5,1515.8 1392.4,1515.6 1272.2,1515.2 635.5,1520.7 170.0,1518.0 175.4,1492.5 175.5,1308.7 165.2,1003.2 162.7,835.5 145.4,729.3 129.6,477.7 116.2,209.8 572.9,167.2 570.6,378.0 775.0,381.8 1150.0,382.0 1550.9,394.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0247/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1150.0,382.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8144627,42.2514577]}},{"type":"Feature","properties":{"resourceCoords":[170.0,1518.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.814461,42.2487527]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0248/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p248","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0248/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0248","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1500.5,452.0 1606.7,1622.9 1603.5,1624.5 1377.3,1750.1 1235.0,1823.8 1196.7,1746.5 991.6,1275.9 603.3,1289.7 63.8,1304.0 52.7,1304.3 52.6,183.8 358.9,183.9 702.6,183.8 971.4,176.9 1277.2,178.5 1505.7,172.4 1500.5,452.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0248/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1504.0,747.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81000342116445,42.25281823792968]}},{"type":"Feature","properties":{"resourceCoords":[736.0,184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81232040490916,42.25273852122022]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0249/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p249","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0249/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0249","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1582.8,1555.6 971.5,1870.2 981.2,1948.0 928.1,1948.0 917.5,1871.4 812.5,1862.9 816.3,1880.8 199.1,1805.2 194.8,1761.9 184.6,1660.0 173.8,1465.3 164.7,1382.1 153.8,1197.8 133.2,948.3 111.8,620.5 89.8,366.6 333.0,390.9 696.2,421.3 739.0,429.4 891.3,477.9 1025.1,47.1 1366.2,529.0 1521.5,417.8 1400.8,900.8 1457.7,863.0 1497.7,1292.7 1387.5,1363.4 1402.9,1412.5 1558.0,1535.8 1582.8,1555.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0249/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[785.0,923.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80592182365528,42.25267766605468]}},{"type":"Feature","properties":{"resourceCoords":[1601.0,349.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80343408101056,42.25274984985553]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0250/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p250","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0250/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0250","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1285.2,1863.6 1211.3,1907.0 85.1,1854.4 92.6,1775.6 94.8,1752.7 101.3,1684.7 153.8,1154.1 188.1,771.8 674.6,628.8 755.1,600.6 700.5,452.1 605.3,214.9 584.2,156.9 567.6,101.3 1195.4,56.7 1188.2,39.6 1294.2,27.8 1652.0,1069.5 1652.0,1825.0 1633.0,1824.0 1633.0,1858.0 1652.0,1858.0 1652.0,1942.2 1634.5,1948.0 1444.4,1948.0 1347.4,1948.0 1285.2,1863.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0250/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[762.0,605.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80886127314136,42.2509885852943]}},{"type":"Feature","properties":{"resourceCoords":[1257.0,1876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81015633572729,42.24869130615438]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0251/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p251","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0251/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0251","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"293.7,204.2 44.9,562.7 1.0,592.5 1.0,616.0 13.0,616.0 15.0,800.0 12.0,834.0 8.0,839.0 1.0,839.0 1.0,839.3 12.0,843.0 9.0,1150.0 1.0,1150.9 1.0,1454.2 105.2,1808.5 228.8,1813.3 612.3,1823.2 926.0,1858.6 1208.2,1886.5 1598.4,1931.8 1409.2,1264.7 1302.0,903.0 1644.4,801.9 1558.7,520.1 1525.5,418.9 1093.6,154.3 1113.0,221.0 683.6,128.6 649.0,1.0 594.9,1.0 429.3,112.9 296.3,202.4 293.7,204.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0251/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1302.0,903.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.802695,42.252098]}},{"type":"Feature","properties":{"resourceCoords":[627.0,1120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.802622,42.250812]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0252/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p252","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0252/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0252","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"845.6,356.5 1353.7,206.2 1409.5,505.5 1423.4,590.1 1520.9,1149.8 1540.9,1311.7 1551.0,1443.9 1549.0,1544.1 1529.6,1644.0 1502.6,1712.4 1440.0,1883.2 1152.9,1788.3 884.9,1703.2 554.2,1593.7 448.2,1566.3 380.8,1548.8 272.6,1520.5 272.4,1479.2 242.0,1294.0 128.2,614.5 61.9,245.6 411.1,183.2 465.3,446.1 492.1,465.3 845.6,356.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0252/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[525.0,770.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80123612656395,42.252782120038106]}},{"type":"Feature","properties":{"resourceCoords":[80.0,225.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8027382057139,42.252136560053714]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0253/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p253","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0253/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0253","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1021.1,1717.7 335.3,1675.5 124.9,1662.1 144.4,1283.2 187.4,973.9 222.2,695.6 277.0,311.0 458.2,265.3 499.2,261.6 518.1,152.0 521.3,133.3 1174.8,196.5 1154.2,366.0 1123.7,594.8 1266.4,961.8 1398.9,930.3 1502.0,1324.0 1490.8,1511.5 1464.9,1761.3 1021.1,1717.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0253/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1502.0,1324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.797726,42.249774]}},{"type":"Feature","properties":{"resourceCoords":[277.0,311.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8000693,42.2521203]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0254/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p254","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0254/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0254","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"888.6,228.4 1295.8,292.7 1364.1,287.2 1431.7,590.3 1488.2,866.9 1521.9,1110.8 1505.5,1192.8 1489.8,1561.5 1468.2,1775.0 1277.4,1753.9 996.0,1710.4 444.6,1632.8 110.0,1583.0 230.8,1357.9 313.8,1185.8 368.9,775.5 232.1,754.0 239.5,353.6 356.7,150.1 888.6,228.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0254/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[110.0,1583.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7980764,42.2490113]}},{"type":"Feature","properties":{"resourceCoords":[1498.0,928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7949615,42.250546]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0255/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p255","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0255/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0255","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1323.5,1806.1 1212.0,1699.7 372.7,1810.0 376.6,1550.4 376.2,1339.0 354.5,976.2 362.4,894.4 304.7,658.8 221.6,393.5 124.8,103.4 184.9,89.5 438.5,98.5 540.0,98.1 922.4,107.1 1264.7,113.1 1301.2,123.7 1441.1,580.4 1415.4,1500.3 1586.0,1640.5 1547.7,1924.1 1323.5,1806.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0255/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1290.0,778.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79255707206107,42.250513545583274]}},{"type":"Feature","properties":{"resourceCoords":[391.0,1546.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79469707567931,42.24903515098668]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0256/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p256","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0256/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0256","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"15.8,1885.0 17.0,1852.0 14.1,1850.8 11.2,1790.8 87.1,1659.4 159.2,1535.1 174.1,1462.8 214.0,1127.7 236.1,904.3 243.9,783.5 256.7,382.9 256.8,317.4 1099.6,194.2 1213.4,299.5 1440.7,415.0 1426.2,535.2 1492.0,566.8 1527.5,871.7 1378.5,897.0 1430.8,1639.6 1497.0,1656.4 1521.6,1827.5 1394.4,1868.3 1330.4,1777.5 1078.6,1770.0 868.7,1852.8 617.6,1823.2 593.8,1874.4 452.7,1885.0 450.9,1948.0 311.0,1948.0 15.8,1885.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0256/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[262.0,762.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79466855483561,42.24774130719204]}},{"type":"Feature","properties":{"resourceCoords":[1245.0,872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79224341815704,42.24759371923625]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0257/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p257","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0257/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0257","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"202.4,1451.2 215.5,1315.3 236.6,983.4 241.2,844.0 255.6,662.2 245.0,639.4 149.9,339.4 680.1,186.2 952.2,111.6 1133.3,53.4 1231.1,365.3 1338.9,751.3 1367.5,869.0 1413.5,1088.8 1475.7,1420.4 1483.1,1493.9 1451.5,1634.1 1389.8,1628.7 327.9,1765.2 287.4,1752.5 186.0,1740.5 202.4,1451.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0257/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1370.0,849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79470291807534,42.24751471800954]}},{"type":"Feature","properties":{"resourceCoords":[221.0,1750.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79802445064516,42.24650315063151]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0258/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p258","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0258/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0258","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"714.1,1948.0 125.7,1948.0 98.5,1342.6 16.0,1298.9 167.1,1285.6 278.5,1129.8 287.6,1057.5 264.6,853.9 255.9,710.0 213.4,342.8 315.0,338.1 357.0,344.1 1379.9,38.0 1441.5,33.4 1433.0,184.4 1479.3,266.2 1463.8,270.4 1426.3,280.1 1393.0,657.1 1362.8,1024.0 1340.3,1218.5 1340.3,1592.0 1340.7,1672.0 913.4,1899.2 714.1,1948.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0258/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[337.0,330.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79781146100855,42.246462461530136]}},{"type":"Feature","properties":{"resourceCoords":[1401.0,645.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79576356516984,42.24511824729686]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0259/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p259","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0259/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0259","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"84.0,1155.1 88.6,1224.2 88.5,1276.8 86.6,1451.2 74.8,1672.8 63.0,1767.0 61.3,1779.0 935.1,1704.0 871.4,1774.0 1103.3,1796.3 1258.4,1619.6 1380.6,1479.4 1464.7,1381.0 1261.5,525.5 1290.0,484.2 1397.0,329.4 1471.6,224.8 1502.5,181.6 1330.6,59.0 1259.5,158.6 906.4,51.3 829.9,1.0 309.7,1.0 95.3,231.2 58.9,228.7 58.4,501.7 58.2,600.0 57.2,938.1 84.0,1155.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0259/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1653.0,1131.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79966637657331,42.24809116652023]}},{"type":"Feature","properties":{"resourceCoords":[1330.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80124850331688,42.24979071204536]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0260/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p260","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0260/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0260","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"380.9,897.3 824.7,127.5 874.2,116.8 977.9,94.8 1060.2,77.3 1141.8,61.2 1187.6,52.1 1240.3,41.7 1376.8,723.1 1449.2,1168.3 1610.8,1463.4 1339.1,1624.3 1319.3,1639.8 1138.3,1667.0 1001.0,1694.0 671.8,1748.5 536.0,1766.5 249.5,1816.0 169.5,1384.3 319.3,1356.9 247.9,934.0 250.8,911.3 380.9,897.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0260/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1001.0,1694.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.797476,42.247839]}},{"type":"Feature","properties":{"resourceCoords":[448.0,204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8013306,42.2482614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0261/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p261","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0261/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0261","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.1,794.5 12.8,817.7 12.0,832.0 1.0,835.7 1.0,836.3 12.0,840.0 9.0,1083.0 1.0,1083.9 1.0,1676.2 1500.8,1840.7 1501.7,1786.0 1506.5,1516.4 1542.4,1519.5 1652.0,1405.5 1652.0,827.5 1500.0,432.1 1500.0,429.0 1500.6,303.9 878.2,20.8 823.5,76.4 790.7,35.0 93.0,763.1 32.1,794.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0261/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1500.0,429.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.805007,42.250676]}},{"type":"Feature","properties":{"resourceCoords":[1500.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8038309,42.2481195]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0262/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p262","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0262/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0262","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1543.2,1846.5 1548.4,1413.5 1546.5,1045.8 1550.2,751.4 1551.3,656.0 1563.2,222.3 1553.3,132.4 1517.6,54.2 1425.5,39.1 1331.0,24.8 1108.0,7.4 932.2,1.0 809.5,2.5 590.1,24.1 249.4,14.7 206.2,13.5 1.0,1743.0 1.0,1849.1 9.0,1850.0 11.5,1906.9 650.0,1939.1 650.2,1911.2 1005.2,1919.0 1004.7,1935.3 1542.4,1920.6 1543.2,1846.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0262/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1538.0,1842.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80702191363744,42.244807045479]}},{"type":"Feature","properties":{"resourceCoords":[1538.0,1058.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80520340433411,42.24527890431523]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0263/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p263","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0263/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0263","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1350.9,1768.7 1367.5,1401.6 1376.7,597.7 1438.9,579.6 1652.0,348.3 1652.0,59.4 1604.0,40.1 1557.8,1.0 1381.0,1.0 1380.0,60.4 1127.3,64.8 1022.6,84.5 997.7,96.5 958.9,138.6 950.1,179.8 295.1,1296.7 310.6,1345.5 114.1,1686.0 1345.8,1845.0 1350.9,1768.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0263/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[934.0,694.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.811353,42.247018]}},{"type":"Feature","properties":{"resourceCoords":[1357.0,1678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.810475,42.245192]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0264/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p264","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0264/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0264","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.3,1887.4 144.2,1889.2 336.3,1883.5 523.9,1884.0 938.2,1868.0 1271.8,1857.4 1302.0,1856.0 1591.2,1847.7 1553.9,1298.0 1570.6,1297.8 1563.8,934.2 1535.3,935.1 1542.0,280.3 1600.0,275.4 1652.0,264.3 1652.0,50.0 1633.0,49.0 1633.0,25.0 1652.0,24.0 1652.0,1.0 1408.0,1.0 1283.9,135.3 1252.1,131.7 1369.7,1.0 1137.9,1.0 1119.3,50.0 831.8,194.5 766.0,189.4 468.2,952.3 320.3,1296.2 268.9,1408.8 174.2,1578.8 72.0,1719.4 1.0,1806.2 1.0,1843.1 9.0,1844.0 10.7,1887.0 33.3,1887.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0264/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[570.0,692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.810355,42.246185]}},{"type":"Feature","properties":{"resourceCoords":[1302.0,1856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8078584,42.2445878]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0265/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p265","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0265/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0265","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1412.7,1905.3 399.6,1796.5 488.3,1393.0 502.6,1327.9 27.0,1230.0 111.2,781.0 217.3,165.3 238.8,49.4 239.8,43.6 1349.5,193.4 1426.5,156.9 1480.6,245.8 1652.0,260.9 1652.0,300.6 1559.5,365.9 1593.0,415.0 1392.2,562.2 1319.2,637.5 1307.0,659.5 1306.0,661.4 1298.7,717.3 1315.1,755.5 1412.7,1905.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0265/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1593.0,415.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8101657,42.2481107]}},{"type":"Feature","properties":{"resourceCoords":[27.0,1230.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.814461,42.2487527]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0266/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p266","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0266/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0266","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1652.0,1553.2 1652.0,1669.1 1582.1,1461.0 1202.3,1756.5 1194.9,1740.5 1141.3,1627.0 321.0,1614.2 164.3,1504.4 128.6,1496.3 115.5,945.9 114.6,910.1 99.7,251.7 1129.9,114.5 1169.3,231.7 1216.5,252.1 1652.0,1518.8 1652.0,1553.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0266/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[925.0,1203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8152451362027,42.245291129217]}},{"type":"Feature","properties":{"resourceCoords":[494.0,931.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81535580404012,42.24620552470267]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0267/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p267","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0267/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0267","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1560.0,1715.0 1569.1,1264.2 1600.5,1263.3 1405.6,118.0 1390.7,119.4 1365.0,121.0 1019.9,174.4 646.9,226.6 643.0,194.1 1.0,283.6 1.0,316.1 4.7,317.5 63.1,672.2 94.3,671.5 112.3,1292.7 78.4,1293.5 243.5,1711.2 558.5,1715.1 1014.6,1710.0 1560.0,1715.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0267/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[683.0,662.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8192486,42.2472045]}},{"type":"Feature","properties":{"resourceCoords":[1560.0,1715.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8159438,42.2467311]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0268/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p268","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0268/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0268","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"180.3,144.4 620.8,118.3 1070.5,99.0 1408.7,77.5 1405.7,342.8 1406.0,592.2 1416.7,698.1 1409.0,863.8 1400.7,1166.0 1389.4,1347.5 1382.5,1372.3 1341.0,1860.1 1274.1,1853.5 212.1,1748.6 176.8,1745.2 225.6,1298.0 256.8,1299.9 164.0,144.6 180.3,144.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0268/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1405.0,1338.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8144805036327,42.24882612289491]}},{"type":"Feature","properties":{"resourceCoords":[1405.0,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81574326923852,42.24978330534824]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0269/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p269","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0269/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0269","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"468.8,1693.7 438.5,1767.7 2.0,1481.0 125.5,1283.4 190.2,1182.0 545.4,206.2 542.6,108.3 566.5,107.9 566.4,76.0 675.0,41.0 1135.8,40.8 1380.7,103.0 1383.8,130.7 1461.5,650.4 1514.8,976.1 1625.9,1674.2 1626.0,1675.0 994.1,1809.2 996.4,1841.0 468.8,1693.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0269/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[129.0,101.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.82531183759376,42.24859023632027]}},{"type":"Feature","properties":{"resourceCoords":[1391.0,101.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.82276622141958,42.24991976848445]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0270/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p270","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0270/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0270","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"11.7,1792.3 542.5,1804.8 876.0,1808.0 1590.3,1817.9 1624.0,1817.3 1609.5,1438.9 1591.2,1088.3 1592.1,1062.3 1592.2,1030.8 1571.5,586.6 1557.8,133.1 1198.5,157.6 974.2,169.4 962.5,238.8 935.1,277.3 896.2,280.3 224.6,223.1 210.1,323.8 136.1,313.4 96.8,584.0 32.6,1681.0 1.0,1751.7 1.0,1757.2 11.7,1792.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0270/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[876.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8212711,42.2487435]}},{"type":"Feature","properties":{"resourceCoords":[144.0,725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8206673,42.2510647]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0271/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p271","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0271/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0271","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"137.2,1281.0 77.5,800.7 144.7,121.5 113.3,19.2 145.0,19.7 145.1,43.5 242.6,42.2 1209.5,410.9 1309.5,476.9 1539.0,625.2 1579.4,1203.7 1588.8,1209.3 1544.2,1244.7 1381.2,1333.2 1165.0,1442.8 966.0,1540.0 728.8,1655.3 239.2,1900.5 153.5,1932.9 150.9,1733.6 121.4,1745.3 137.2,1281.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0271/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[145.0,789.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.82596,42.24821]}},{"type":"Feature","properties":{"resourceCoords":[145.0,1214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.826811,42.247751]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0272/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p272","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0272/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0272","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1486.1,931.5 1492.2,1100.2 1492.3,1643.1 1510.9,1757.9 1477.9,1799.6 1421.9,1860.8 976.0,1937.8 961.6,1906.2 893.5,1803.1 729.8,1661.5 106.0,1718.2 97.4,1712.1 88.3,1705.8 89.0,1122.2 56.0,1097.4 380.1,685.9 308.7,649.3 503.1,130.2 858.0,77.4 857.8,46.2 1477.8,37.8 1486.1,931.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0272/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[878.0,943.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.822009,42.245432]}},{"type":"Feature","properties":{"resourceCoords":[878.0,1790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.823603,42.244437]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0273/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p273","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0273/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0273","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1402.5,1691.7 1596.3,1624.1 1623.2,1614.7 1585.8,1279.2 1578.8,1279.8 1571.3,907.1 1566.2,907.6 1585.5,524.0 1578.9,524.5 1552.6,131.6 1390.3,143.8 831.0,192.4 737.1,190.9 809.5,1.0 776.9,1.0 752.9,56.1 186.1,218.0 171.2,1253.4 67.3,1738.4 49.6,1747.8 79.2,1833.5 119.9,1839.7 680.1,1803.6 932.2,1795.1 1129.7,1772.1 1253.1,1741.1 1402.5,1691.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0273/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[927.0,1801.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8299283910882,42.24434605937111]}},{"type":"Feature","properties":{"resourceCoords":[762.0,190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8281859001227,42.24693952702651]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0274/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p274","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0274/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0274","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"91.4,62.9 426.4,60.5 426.6,53.6 795.1,84.6 795.2,79.5 1171.8,138.1 1171.8,131.6 1562.4,146.1 1559.3,252.9 1553.2,478.2 1550.2,724.9 1553.2,913.5 1564.0,970.5 1554.9,975.9 1355.6,1577.0 1158.3,1671.6 1035.2,1693.1 991.0,1693.9 942.0,1687.5 790.2,1632.2 728.4,1620.5 666.2,1516.5 511.8,1385.8 435.2,1262.3 350.1,1071.7 320.7,996.0 310.5,966.6 296.6,927.2 208.1,564.3 135.4,249.1 91.4,62.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0274/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1134.0,1661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8236524005504,42.24436924980116]}},{"type":"Feature","properties":{"resourceCoords":[780.0,1332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.82475267024715,42.24406035766199]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0275__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p275 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"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":"3127.2"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0275__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0275","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"745.0,125.8 251.7,107.7 197.0,20.0 187.9,19.9 182.7,19.9 118.4,145.9 43.4,1341.2 68.5,1709.0 152.7,1847.0 298.9,1677.3 318.2,1714.1 622.3,1373.7 635.9,663.6 737.5,463.9 766.0,157.9 745.0,125.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0275__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[109.0,1699.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.83749546837024,42.24423949646742]}},{"type":"Feature","properties":{"resourceCoords":[109.0,1259.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.83647326621825,42.24444592402774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0275__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p275 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2838.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3798.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0275__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0275","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1345.0,20.9 992.3,299.4 979.8,260.4 809.2,400.1 818.5,423.6 768.4,984.6 798.5,1550.5 770.8,1616.8 774.8,1717.1 1482.1,1733.8 1470.5,1702.0 1654.8,1515.5 1498.8,1164.0 1487.5,261.1 1321.4,141.7 1345.0,20.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0275__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1475.1,1783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.84017802741371,42.24193677214724]}},{"type":"Feature","properties":{"resourceCoords":[770.5,1783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.84091247831525,42.24309177367423]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0276/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p276","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0276/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0276","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1369.0,1624.6 1315.8,1510.3 1256.5,1322.5 1201.2,1078.9 1061.5,540.8 1059.9,500.0 1137.7,455.2 962.1,237.4 723.7,92.3 481.6,63.4 458.9,26.3 451.4,38.2 349.4,38.9 79.1,444.6 131.1,443.2 120.6,606.7 6.8,692.9 1.0,687.4 1.0,743.0 116.6,704.5 168.4,1527.4 350.3,1919.2 1371.3,1628.7 1369.0,1624.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0276/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1316.0,1590.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.82933492564308,42.24409789825104]}},{"type":"Feature","properties":{"resourceCoords":[1044.0,345.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.83200433690826,42.24527754161446]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0277/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p277","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.51"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0277/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0277","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"827.0,116.0 892.6,12.6 1455.8,613.2 1505.6,637.2 1366.7,1559.9 1411.9,1550.9 1254.5,1948.0 1237.7,1948.0 1242.4,1876.7 906.3,1907.5 555.1,1823.9 320.0,1890.4 132.9,1820.8 134.5,1521.3 67.1,1460.0 49.0,1195.4 149.4,144.7 406.4,140.9 553.5,55.4 790.8,72.1 827.0,116.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0277/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.8350715872358,42.2434232883855]}},{"type":"Feature","properties":{"resourceCoords":[1659.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.8310653187177,42.24381572503968]}},{"type":"Feature","properties":{"resourceCoords":[1659.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.83044692934402,42.240306764319136]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.83445319786212,42.239914327664955]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0278__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p278 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.02"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2660.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3976.0"},{"label":"split_canvas_h","value":"5149.2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0278__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0278","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1054.7,1210.9 1387.0,1194.2 1409.4,439.6 1208.8,501.0 1033.1,146.8 795.8,253.4 849.4,1035.8 1054.7,1210.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0278__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[665.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.83765840424812,42.238366741921595]}},{"type":"Feature","properties":{"resourceCoords":[1659.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.83733239778776,42.23916159171338]}},{"type":"Feature","properties":{"resourceCoords":[1659.0,1287.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.83595206270904,42.23884688133053]}},{"type":"Feature","properties":{"resourceCoords":[665.0,1287.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.8362780691694,42.23805203153874]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0279/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p279","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.33"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0279/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0279","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"166.0,989.7 227.2,68.5 1610.6,599.4 1447.8,638.6 1570.8,981.0 1565.0,979.0 1589.4,1701.3 1527.8,1757.3 1116.3,1745.0 729.6,1829.5 77.5,1768.9 71.9,1433.3 209.5,977.1 166.0,989.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0279/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.8318043,42.2427379]}},{"type":"Feature","properties":{"resourceCoords":[1659.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.8276963,42.2428833]}},{"type":"Feature","properties":{"resourceCoords":[1659.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.8274656,42.2393104]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.8315736,42.239165]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0280/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p280","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0280/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0280","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"332.3,40.5 1374.2,142.7 1394.1,290.4 1424.1,488.6 1456.6,702.3 1502.8,1017.4 1560.6,1380.5 1571.2,1420.3 1573.4,1429.0 993.0,1883.0 960.9,1837.9 452.9,1933.6 421.9,1866.3 86.8,1840.9 33.9,1273.6 295.4,1019.6 398.7,1152.0 332.3,40.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0280/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1337.0,91.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8293266314388,42.24409466093437]}},{"type":"Feature","properties":{"resourceCoords":[1044.0,1939.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.82534631212414,42.24234610292685]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0281/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p281","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0281/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0281","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1495.3,1416.9 1508.9,1738.4 1464.8,1756.4 1054.0,1704.9 784.4,1857.7 589.1,1784.6 324.5,1814.9 174.9,1770.8 67.5,1320.9 2.8,1305.4 243.0,842.8 298.7,845.4 299.8,102.3 319.8,111.1 394.7,140.7 591.0,207.2 732.5,234.6 931.9,210.2 1049.6,234.9 1099.8,197.8 1242.4,124.4 1280.1,93.0 1286.1,86.3 1536.7,464.9 1615.5,491.7 1658.0,502.8 1550.9,545.9 1440.2,587.2 1496.9,1076.5 1569.2,1038.3 1495.3,1416.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0281/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[352.0,1720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8247892245401,42.24080114264658]}},{"type":"Feature","properties":{"resourceCoords":[1621.0,551.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8226150158863,42.24348945577229]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0282__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p282 [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":"6644.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0282__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0282","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"115.2,1400.2 114.6,1401.0 119.7,1403.3 110.8,1516.4 104.1,1634.3 574.4,1779.5 568.6,1698.0 560.6,1692.5 540.4,1199.0 641.1,1079.9 774.5,1163.5 865.6,1055.8 1147.2,1021.7 1378.2,886.5 1262.2,759.2 1401.2,594.8 1628.3,475.7 1660.0,508.7 1660.0,471.0 1377.7,1.0 1299.0,1.0 1108.2,226.7 513.3,375.1 649.2,216.6 616.4,190.7 93.3,134.9 96.8,564.8 102.5,734.0 102.0,1278.5 120.5,1393.6 115.2,1400.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0282__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[102.0,777.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.82141169196034,42.24434206533972]}},{"type":"Feature","properties":{"resourceCoords":[1262.0,18.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81815065417356,42.243622890760335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0283/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p283","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0283/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0283","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"496.4,1809.3 621.4,1642.4 586.9,1618.8 62.1,1597.8 30.1,1167.1 438.7,981.7 427.1,667.2 399.5,212.3 435.1,219.7 591.9,325.8 1403.9,325.0 1458.8,436.4 1483.4,486.9 1455.2,904.9 1559.7,974.0 1296.6,1327.4 1332.2,1378.6 1255.2,1383.7 1079.2,1622.2 496.4,1809.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0283/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1237.0,1399.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81811380344793,42.24360163692079]}},{"type":"Feature","properties":{"resourceCoords":[812.0,905.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81775694041646,42.244757845514734]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0284/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p284","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0284/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0284","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"532.5,534.0 490.3,414.4 768.3,93.6 775.8,55.1 1258.0,40.2 1191.7,250.1 1280.5,128.3 1216.7,335.6 1620.5,211.7 1542.0,643.0 1520.8,754.4 1127.3,1948.0 1088.2,1948.0 957.9,1895.4 144.8,1768.3 58.5,1309.3 79.5,1277.5 104.1,659.1 532.5,534.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0284/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1542.0,643.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8145286,42.2428851]}},{"type":"Feature","properties":{"resourceCoords":[21.0,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8180956,42.2435912]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0285/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p285","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0285/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0285","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"400.1,1342.2 16.8,1504.2 240.8,379.7 1449.0,137.1 1460.5,180.2 1494.2,366.7 1504.2,535.8 1504.3,646.5 1553.4,706.3 1506.0,743.8 1513.5,1452.6 1512.1,1823.0 1237.0,1822.0 1247.2,1783.1 1180.5,1417.2 829.1,1573.5 366.6,1772.8 400.1,1342.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0285/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[637.0,269.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.812502,42.245233]}},{"type":"Feature","properties":{"resourceCoords":[1237.0,1822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.812592,42.2421976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0286/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p286","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.65"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0286/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0286","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1586.6,1601.2 1588.2,1587.5 1521.3,958.0 1606.0,711.0 1608.0,403.9 1660.0,377.8 1660.0,377.1 1660.0,360.8 1336.0,1.0 1332.0,1.0 1299.9,11.3 1365.7,372.5 1097.4,421.6 1100.4,381.8 968.9,37.3 654.8,253.3 240.2,531.5 251.0,641.7 211.4,1882.8 402.2,1901.3 791.5,1841.3 1411.2,1894.3 1428.4,1948.0 1454.8,1948.0 1595.7,1655.5 1586.6,1601.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0286/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[979.0,49.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81233578137925,42.242891237334774]}},{"type":"Feature","properties":{"resourceCoords":[1097.0,411.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81257868315967,42.24221432188353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0287/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p287","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0287/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0287","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1544.7,33.2 1470.2,1.0 1363.1,1.0 1361.3,67.8 1358.9,158.1 49.1,377.4 49.3,411.6 50.9,701.0 59.2,1062.3 61.9,1487.9 64.1,1838.4 64.5,1856.9 496.5,1866.3 622.8,1877.2 622.5,1869.0 1410.8,1886.1 1543.4,1728.7 1628.3,705.2 1660.0,713.5 1660.0,526.5 1597.0,118.2 1660.0,107.6 1660.0,78.7 1623.3,65.5 1544.7,33.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0287/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[603.0,1187.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.805889,42.244019]}},{"type":"Feature","properties":{"resourceCoords":[603.0,698.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.804728,42.244303]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0288/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p288","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0288/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0288","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1283.1,1929.6 792.0,1851.5 775.0,1883.6 226.6,1425.5 230.2,1332.0 234.1,1223.0 232.1,1034.4 236.1,850.2 228.3,443.2 224.2,115.5 223.8,104.8 665.8,113.0 795.0,123.7 794.8,115.3 1601.3,130.3 1556.2,184.3 1596.9,707.6 1479.2,1163.3 1511.0,1762.0 1353.3,1812.5 1294.0,1943.1 1283.1,1929.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0288/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[234.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80786924215595,42.24456492294974]}},{"type":"Feature","properties":{"resourceCoords":[234.0,1445.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8110076477902,42.24380537044569]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0289/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p289","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0289/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0289","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"342.8,1937.1 340.9,1876.9 333.3,1445.7 319.6,1356.8 280.6,1280.8 200.6,1271.3 108.0,397.4 179.3,459.8 197.1,227.0 397.9,396.2 419.0,414.0 592.3,207.7 747.9,36.8 908.1,179.6 1182.0,78.5 1660.0,469.1 1660.0,814.0 1545.7,853.2 1580.6,955.0 1642.7,1034.6 1660.0,1106.9 1660.0,1680.1 342.8,1937.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0289/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[419.0,414.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8007406,42.2461327]}},{"type":"Feature","properties":{"resourceCoords":[1109.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8008314,42.2447935]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0290__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p290 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6644.0"},{"label":"split_canvas_h","value":"4688.4"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0290__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0290","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1467.0,1025.1 1482.9,953.8 1479.0,748.3 1484.0,603.8 1476.0,233.0 1038.4,243.8 1035.0,92.0 607.5,95.7 585.5,89.3 574.1,276.4 542.0,776.1 540.2,803.9 810.6,820.9 1041.8,844.6 1022.0,1059.6 1188.8,1169.2 1341.3,1170.2 1467.0,1025.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0290__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1476.0,233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.798101,42.246537]}},{"type":"Feature","properties":{"resourceCoords":[1035.0,92.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7990052,42.2470492]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0291/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p291","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0291/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0291","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1484.5,1919.7 1551.9,1407.4 1501.9,1102.0 1645.3,488.1 1660.0,493.1 1660.0,1.0 1550.1,1.0 1457.1,33.1 1378.4,25.6 1306.6,1.0 952.0,1.0 902.6,58.4 847.5,124.8 839.0,135.9 823.5,156.3 795.5,147.6 804.3,83.3 382.8,19.5 377.8,17.9 174.5,17.4 162.8,36.1 209.1,124.0 145.3,542.9 184.0,971.5 84.2,1364.6 98.9,1776.0 163.6,1865.3 505.2,1770.0 507.4,1789.9 777.0,1825.5 941.6,1851.1 1189.6,1880.4 1484.5,1919.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0291/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1460.0,1934.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79860428647348,42.24084898460341]}},{"type":"Feature","properties":{"resourceCoords":[481.0,1767.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80080197368049,42.24005613569176]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0292/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p292","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0292/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0292","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1401.3,1511.3 1350.0,1246.2 1344.9,1177.2 1381.1,1015.1 1550.5,1014.4 1660.0,1019.6 1660.0,981.5 970.7,286.0 832.8,480.4 649.9,740.3 541.6,692.0 451.9,638.5 348.9,564.8 252.2,477.8 133.6,945.3 1.0,1189.6 1.0,1724.1 9.0,1725.0 9.0,1810.4 624.4,1752.9 896.7,1609.4 1401.3,1511.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0292/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1335.0,1205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79790007571171,42.24117799245989]}},{"type":"Feature","properties":{"resourceCoords":[658.0,752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7973236649102,42.2426078820629]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0293/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p293","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0293/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0293","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1660.0,1858.1 1616.0,1863.3 1578.7,1767.0 1586.2,440.6 1390.4,154.3 1142.6,99.7 899.7,136.0 858.2,1.0 763.0,1.0 722.0,14.9 365.4,57.0 280.4,424.3 200.0,781.9 150.9,970.6 99.3,1339.1 71.2,1546.9 68.3,1673.3 74.6,1777.6 95.7,1894.2 413.2,1898.9 764.1,1905.6 932.1,1903.3 1161.5,1906.7 1660.0,1907.2 1660.0,1858.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0293/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[671.0,1423.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7955970069336,42.24314376405987]}},{"type":"Feature","properties":{"resourceCoords":[95.0,1326.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79688972780514,42.243624270389056]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0294/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p294","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0294/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0294","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"735.7,1948.0 689.4,1906.5 574.8,1784.2 467.7,1662.6 386.4,1578.7 256.0,1420.4 109.8,1224.4 72.3,1169.9 102.1,1146.0 238.6,178.4 351.2,174.8 518.6,163.8 747.5,155.4 1244.8,130.2 1243.2,81.0 1441.6,47.0 1571.0,101.4 1612.5,579.1 1552.2,1078.3 1615.0,1571.8 1585.1,1747.0 1473.2,1874.1 807.8,1932.0 773.4,1944.8 735.7,1948.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0294/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[924.0,1506.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79552604573277,42.23959182086524]}},{"type":"Feature","properties":{"resourceCoords":[546.0,504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79555427711529,42.24155759401214]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0295/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p295","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0295/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0295","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1527.6,484.0 1372.0,717.0 1331.2,786.7 1318.6,829.5 1326.3,880.0 1405.6,1074.3 1475.3,1220.7 1470.5,1222.7 1509.6,1554.2 1531.0,1556.3 1583.0,1831.5 1420.5,1762.9 748.6,1847.7 328.7,1790.7 287.0,1823.4 179.2,1488.5 198.8,1485.5 223.6,1216.8 242.6,1052.6 262.0,805.6 289.5,511.7 314.2,243.5 328.6,175.9 408.5,30.9 570.9,77.4 737.8,134.9 971.8,205.2 1170.7,254.8 1286.0,273.9 1444.2,307.8 1609.0,337.8 1527.6,484.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0295/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[264.0,797.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79920142776284,42.240646701327194]}},{"type":"Feature","properties":{"resourceCoords":[187.0,1470.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80070032637795,42.24008407855089]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0296/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p296","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0296/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0296","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"395.9,1442.6 374.1,1442.8 298.2,1112.6 302.9,1110.1 216.5,970.0 115.2,782.8 101.9,732.6 109.9,688.1 143.4,613.2 274.8,361.2 340.9,204.8 404.0,203.9 425.7,183.8 429.9,175.5 446.6,142.3 508.1,74.8 531.0,216.6 552.0,221.9 982.7,386.5 1126.0,458.1 975.9,590.2 1566.9,1070.8 1498.9,1203.0 1601.6,1264.2 1499.3,1463.0 1581.0,1614.0 1521.3,1876.7 1321.4,1874.4 1278.4,1844.0 1269.9,1800.5 1099.4,1752.0 815.4,1815.5 478.6,1714.5 395.9,1442.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0296/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[356.0,155.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79628792581667,42.23906595607307]}},{"type":"Feature","properties":{"resourceCoords":[-582.0,1561.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80039348891857,42.239412433692735]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0297/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p297","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.02"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0297/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0297","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"290.5,791.5 349.8,835.1 235.7,1899.1 915.5,1895.7 1345.8,1816.0 1445.9,1848.4 1498.3,1754.8 1475.0,1539.5 1540.0,1372.6 1539.3,1149.1 1588.4,1127.4 1557.0,1046.5 1522.7,1025.1 1560.8,727.2 1489.2,600.1 1631.1,407.3 1644.4,409.1 1319.1,1.0 1189.8,1.0 1182.5,17.7 976.4,373.9 893.0,490.0 797.9,338.9 290.5,791.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0297/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1131.0,105.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7961863,42.2384907]}},{"type":"Feature","properties":{"resourceCoords":[893.0,490.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7960862,42.2375757]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0299__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p299 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"0.0"},{"label":"split_canvas_w","value":"2931.2"},{"label":"split_canvas_h","value":"2764.8"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0299__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0299","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"687.7,597.0 727.0,680.1 703.9,80.2 122.2,118.7 71.5,243.7 21.8,684.5 312.8,624.9 448.4,688.1 451.7,688.0 632.4,674.0 653.8,611.6 687.7,597.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0299__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[329.9,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79980859073575,42.23338779029159]}},{"type":"Feature","properties":{"resourceCoords":[618.8,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79915742536483,42.233583766660765]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0300/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p300","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0300/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0300","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"246.5,1257.5 37.9,1168.7 120.3,952.6 193.7,774.0 90.3,592.0 135.8,478.5 109.5,239.6 170.7,195.2 339.6,249.7 1490.1,300.3 1570.8,1204.1 1579.0,1208.4 1584.8,1410.2 1600.0,1635.8 1605.0,1808.0 1128.3,1618.2 523.7,1366.3 246.5,1257.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0300/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[169.0,798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79780857119124,42.231616472781006]}},{"type":"Feature","properties":{"resourceCoords":[35.0,1179.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7977104284722,42.23087746704728]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0301/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p301","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0301/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0301","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"927.5,1897.2 469.5,1818.2 167.9,1855.1 72.8,1784.0 33.4,1022.0 83.4,78.0 466.3,43.8 709.5,118.4 861.1,33.2 1113.4,34.8 1114.0,24.7 1269.0,166.6 1254.2,359.9 1242.3,591.8 1469.1,612.1 1591.3,619.6 1574.2,1029.0 1556.7,1027.2 1600.7,1454.9 1614.9,1456.2 1499.8,1900.7 1440.8,1894.2 1440.7,1897.4 927.5,1897.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0301/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1214.0,611.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79777840514006,42.230855662349]}},{"type":"Feature","properties":{"resourceCoords":[16.0,950.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.80061578727901,42.22997018132159]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0302/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p302","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0302/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0302","type":"ImageService3","width":1656,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.9,1468.3 87.3,1835.8 275.3,1914.5 961.8,1861.7 1485.5,1917.2 1585.3,1864.2 1599.2,1412.3 1641.8,1404.7 1605.3,1346.4 1573.1,1318.2 1576.1,1151.4 1571.9,1064.2 1515.2,628.6 1448.5,262.2 1431.5,196.2 913.4,193.1 252.2,178.6 74.7,178.3 82.1,590.4 64.3,589.6 134.1,1016.2 148.5,1016.8 59.6,1469.8 1.0,1466.9 1.0,1470.0 28.9,1468.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0302/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[497.0,1508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79560578573762,42.22855727398994]}},{"type":"Feature","properties":{"resourceCoords":[1569.0,1042.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79304751214559,42.22952793874092]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0303__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p303 [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":"6632.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0303__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0303","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"245.8,1877.5 512.3,1881.6 651.6,1811.8 1401.8,1810.1 1507.5,1724.0 1581.0,1470.5 1457.5,1362.7 1074.5,1263.1 592.4,728.9 279.8,125.2 134.5,80.3 176.6,277.5 232.3,496.3 268.4,664.5 272.5,731.8 268.5,1100.1 241.8,1533.7 229.5,1619.2 195.3,1780.6 221.3,1814.1 245.8,1877.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0303__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[269.0,1115.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79323353664927,42.23024664105125]}},{"type":"Feature","properties":{"resourceCoords":[269.0,1545.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.79296448700343,42.22948049893916]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0305/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p305","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0305/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0305","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"363.9,14.9 396.4,48.8 1126.2,164.3 1360.5,567.1 1518.5,596.3 1545.3,921.6 1483.7,1163.0 1578.4,1426.4 1611.7,1415.3 1618.8,1638.6 1638.3,1694.6 1655.2,1776.7 893.5,1803.2 885.6,1841.4 780.0,1802.6 619.6,1888.9 60.5,1820.5 99.8,324.9 354.6,69.2 363.9,14.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0305/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[478.0,1690.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81388003175601,42.236841241525006]}},{"type":"Feature","properties":{"resourceCoords":[420.0,-155.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.81292924707846,42.24016646182335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0306/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p306","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0306/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0306","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"180.8,63.0 221.0,103.0 232.7,87.1 587.1,235.1 592.4,234.7 596.6,194.0 599.5,164.3 643.1,60.5 1027.0,102.1 1139.8,82.5 1502.8,111.1 1533.1,90.6 1512.8,195.7 1567.5,653.6 1560.2,1159.7 1594.8,1546.1 1553.4,1838.9 1474.8,1876.3 1092.0,1813.9 739.3,1907.6 519.0,1880.2 225.9,1917.7 84.5,1890.4 125.2,1387.0 50.6,1090.7 111.4,267.8 96.3,73.1 89.2,68.8 180.8,63.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0306/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[893.0,1208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8086963,42.2328915]}},{"type":"Feature","properties":{"resourceCoords":[537.0,549.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.811037,42.23501]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0307/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p307","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0307/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0307","type":"ImageService3","width":1649,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1534.5,108.2 1509.7,106.4 1508.5,487.4 1511.2,487.9 1510.3,1562.8 1458.5,1561.7 1316.8,1901.7 1181.9,1863.5 1059.3,1910.1 730.5,1852.9 51.3,1916.1 33.1,223.3 111.2,91.0 199.3,143.0 599.0,39.9 1482.3,43.6 1518.4,88.3 1534.5,108.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0307/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1510.0,954.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.82048828467634,42.23200899555658]}},{"type":"Feature","properties":{"resourceCoords":[531.0,1043.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.82088713374631,42.23020144667242]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0308__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p308 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6644.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0308__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0308","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"139.8,406.7 142.6,407.1 222.2,1500.4 169.5,1503.2 50.9,1859.6 212.2,1892.7 615.8,1795.1 767.9,1852.8 1592.5,1893.5 1619.8,1744.0 1548.3,1417.3 1577.7,1204.7 1533.0,1118.5 1558.6,1102.0 1360.1,1114.6 1256.4,1031.1 1254.3,994.7 1277.8,986.5 1162.2,933.6 1125.3,918.4 1125.9,917.0 1121.0,914.8 1259.8,610.6 1238.1,454.2 1394.0,315.8 1330.4,196.9 1479.5,130.9 1101.6,211.9 944.7,116.9 928.0,44.6 201.9,87.5 137.8,19.0 120.1,19.0 112.5,19.0 139.8,406.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0308__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[552.0,853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.82025716817,42.232675546205726]}},{"type":"Feature","properties":{"resourceCoords":[177.0,884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.82048115422138,42.23200852166544]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0309/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p309","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0309/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0309","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1488.4,183.0 1564.3,450.7 1517.0,600.5 1584.4,874.2 1568.5,1652.1 934.1,1661.2 535.4,1660.5 373.9,1656.5 363.6,1580.4 241.4,1790.5 167.7,1773.5 152.9,1636.0 195.3,697.4 128.0,468.7 140.3,332.2 202.2,334.0 201.1,324.9 191.1,246.2 173.9,110.1 168.2,64.7 160.6,5.2 203.4,14.6 1340.2,262.6 1378.9,271.1 1419.2,274.8 1429.6,274.3 1432.6,274.2 1471.0,255.2 1349.2,167.1 1488.4,183.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0309/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[261.0,543.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.84707455193481,42.24185791789132]}},{"type":"Feature","properties":{"resourceCoords":[218.0,5.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.84578541609412,42.242094911140576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0310__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p310 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2567.6"},{"label":"split_canvas_w","value":"6644.0"},{"label":"split_canvas_h","value":"5228.4"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0310__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0310","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1586.2,982.5 1346.8,1077.5 1344.7,1110.7 714.8,816.7 750.7,725.0 563.4,903.7 443.3,1144.3 253.1,1413.4 307.6,1461.0 45.4,1718.5 18.8,1798.2 80.5,1770.2 151.1,1696.4 776.6,1891.9 897.4,1786.5 1052.2,1874.8 1187.1,1873.6 1222.2,1813.8 1406.6,1924.8 1590.4,1890.6 1586.2,982.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0310__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1320.0,1178.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.84021948474907,42.24189879498633]}},{"type":"Feature","properties":{"resourceCoords":[682.0,870.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.84091220809921,42.243100166806265]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0310__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p310 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"6644.0"},{"label":"split_canvas_h","value":"6853.2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0310__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0310","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"115.0,1542.0 198.8,1417.3 199.4,1409.5 721.1,639.2 1556.7,953.9 1577.2,748.2 1643.7,757.3 1377.3,152.5 1274.5,147.9 1212.2,119.6 1290.4,86.9 1660.0,115.0 1660.0,42.1 1182.7,91.5 280.0,50.6 63.1,222.1 1.0,218.3 1.0,279.9 9.0,278.6 87.2,266.4 267.2,238.4 326.2,229.2 318.1,272.1 96.0,1450.2 93.5,1490.4 94.5,1503.7 114.5,1541.5 115.0,1542.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0310__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[764.0,155.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.84476203281149,42.24244032866091]}},{"type":"Feature","properties":{"resourceCoords":[354.0,198.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.84575135893589,42.242261345449286]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0311/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p311","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0311/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0311","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1595.0,1013.7 1640.4,1295.0 1607.9,1848.5 1529.6,1898.4 1267.8,1882.2 1124.3,1912.1 922.1,1873.7 803.6,1914.4 486.0,1921.0 348.7,1876.3 109.7,1859.4 85.5,1814.7 44.4,1473.7 88.0,752.0 37.8,338.2 79.8,79.9 106.5,49.5 119.3,66.3 282.3,31.6 852.0,28.6 901.4,54.0 957.2,31.3 1526.9,28.3 1531.1,7.0 1639.0,65.3 1600.8,71.7 1601.3,153.2 1607.1,354.4 1621.0,680.2 1595.0,1013.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0311/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[179.0,790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.85614140022732,42.23807406416373]}},{"type":"Feature","properties":{"resourceCoords":[1262.0,138.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8513277170145,42.240925168212144]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0313__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p313 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"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":"6644.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0313__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0313","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1486.5,1033.2 1555.7,1004.4 1592.2,876.6 1532.6,239.7 1169.4,147.1 1147.8,78.7 1012.9,41.4 587.5,44.4 463.4,169.6 149.8,155.9 41.7,1301.5 83.0,1841.2 186.6,1896.9 574.2,1904.3 744.6,1564.5 756.3,1074.9 1486.5,1033.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0313__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1116.0,388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8472727105491,42.22861048102378]}},{"type":"Feature","properties":{"resourceCoords":[1116.0,1032.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.84887369260541,42.22847588879183]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0315/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Worcester, Massachusetts | 1910 | sanborn03897_005 p315","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T14:58:27Z","modified":"2026-10-24T14:58:27Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0315/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0315","type":"ImageService3","width":1661,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1109.2,1889.6 678.9,1842.8 429.1,1893.2 218.1,1844.0 80.9,1618.1 46.0,570.7 146.6,134.0 420.7,72.5 620.9,142.6 785.8,56.0 1274.6,21.5 1559.2,82.5 1595.3,186.5 1525.2,386.6 1430.1,461.8 1407.8,646.9 1605.3,920.3 1592.5,1514.6 1535.3,1588.4 1598.2,1666.5 1563.8,1879.9 1276.8,1833.6 1109.2,1889.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g03897191003:03897_03_1910-0315/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[388.0,1472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.84529719880717,42.23588558969627]}},{"type":"Feature","properties":{"resourceCoords":[1241.0,1123.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.84337419698963,42.236755070992636]}}]}}]}