{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03828_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Randolph, Massachusetts | 1948 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"18"},{"label":"placed","value":"11"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 11"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 18 panels"},{"label":"unplaced pages","value":"p1a__3 (tier 3, 42.16518,-71.04671 +/-1707m); p1b__3 (tier 3, 42.16518,-71.04671 +/-1707m); p2__2 (tier 2, 42.16575,-71.04649 +/-100m); p3__2 (tier 2, 42.16668,-71.04451 +/-248m); p4__2 (tier 2, 42.16435,-71.04283 +/-313m); p5__1 (tier 2, 42.16614,-71.04277 +/-518m); p7__2 (tier 2, 42.16216,-71.04095 +/-108m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0001a__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Randolph, Massachusetts | 1948 | sanborn03828_006 p1a [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.09"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1936.4"},{"label":"split_canvas_y","value":"3952.8"},{"label":"split_canvas_w","value":"4515.6"},{"label":"split_canvas_h","value":"3699.2"}],"created":"2026-10-20T03:54:18Z","modified":"2026-10-20T03:54:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0001a__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0001a","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1464.1,1581.0 1575.8,1354.4 1538.6,1159.4 1438.2,1164.8 1399.8,1063.6 1364.5,1067.2 1355.2,1037.2 1038.2,1025.5 1012.3,1048.1 964.4,1022.8 844.5,1059.7 721.9,1122.9 713.2,1165.7 612.8,1171.1 527.5,1237.5 515.8,1299.3 541.8,1404.0 548.6,1452.6 548.5,1488.8 548.5,1555.5 548.4,1568.7 548.4,1580.4 586.4,1580.9 609.5,1581.2 628.7,1581.5 650.5,1581.8 726.0,1582.5 795.1,1583.1 803.5,1325.5 807.8,1305.6 869.1,1583.4 905.1,1583.5 909.4,1583.4 958.6,1583.0 1220.7,1579.2 1281.6,1578.8 1390.0,1578.1 1458.0,1580.5 1464.1,1581.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0001a__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[795.1,1583.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0440738,42.1569426]}},{"type":"Feature","properties":{"resourceCoords":[1497.0,1583.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0429945,42.1595405]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0001b__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Randolph, Massachusetts | 1948 | sanborn03828_006 p1b [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.10"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1950.0"},{"label":"split_canvas_y","value":"3956.0"},{"label":"split_canvas_w","value":"4502.0"},{"label":"split_canvas_h","value":"3696.0"}],"created":"2026-10-20T03:54:18Z","modified":"2026-10-20T03:54:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0001b__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0001b","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"550.6,1452.3 543.8,1403.6 517.8,1298.8 503.2,1376.4 521.8,1911.0 1437.3,1910.0 1437.6,1912.0 1466.9,1912.0 1499.9,1583.0 1461.0,1580.5 1392.9,1578.0 1223.5,1579.1 961.1,1582.9 907.5,1583.4 871.5,1583.3 810.0,1305.0 805.8,1325.0 797.4,1583.0 652.6,1581.7 611.6,1581.1 550.4,1580.3 550.5,1555.4 550.6,1452.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0001b__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[797.4,1583.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0440738,42.1569426]}},{"type":"Feature","properties":{"resourceCoords":[1500.0,1583.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0429945,42.1595405]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Randolph, Massachusetts | 1948 | sanborn03828_006 p2 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.22"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T03:54:18Z","modified":"2026-10-20T03:54:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"990.1,1747.4 1130.5,1669.8 1505.6,1789.0 1539.3,1854.5 1445.8,1283.8 1240.5,1157.2 911.5,1077.5 862.5,97.6 832.5,43.0 54.4,81.5 50.5,1875.6 412.0,1895.8 1025.2,1812.8 990.1,1747.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[314.0,287.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0505307,42.1650623]}},{"type":"Feature","properties":{"resourceCoords":[976.0,1722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.046628,42.1652648]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Randolph, Massachusetts | 1948 | sanborn03828_006 p3 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.24"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T03:54:18Z","modified":"2026-10-20T03:54:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1639.5 1612.0,1621.0 1570.9,1625.3 1542.5,894.1 1597.2,204.6 1535.0,69.5 1542.4,18.1 786.4,72.0 773.1,30.4 69.3,7.5 38.4,54.6 79.8,231.2 342.5,313.5 364.2,368.6 310.2,383.1 576.0,495.5 626.4,1022.1 565.0,1193.0 565.6,1226.7 544.3,1250.8 515.0,1332.5 372.6,1445.6 359.1,1440.8 332.3,1440.0 285.6,1438.6 1.0,1708.0 1.0,1869.2 98.7,1870.4 879.1,1878.4 968.1,1875.4 1089.2,1850.4 1253.5,1832.6 1317.0,1844.0 1312.0,1826.6 1612.0,1647.9 1612.0,1639.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1317.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0433351,42.1656626]}},{"type":"Feature","properties":{"resourceCoords":[828.0,204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0451132,42.1685165]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Randolph, Massachusetts | 1948 | sanborn03828_006 p4 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T03:54:18Z","modified":"2026-10-20T03:54:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.2,218.2 41.2,367.3 132.7,792.1 81.6,973.9 134.6,1022.6 48.0,1440.4 127.2,1797.5 257.6,1834.6 278.8,1803.2 451.1,1818.2 650.0,1808.0 709.4,1795.6 752.2,1912.0 800.3,1912.0 902.8,1771.0 993.5,1670.2 1165.0,1511.7 1322.3,1356.5 1299.6,1334.0 1261.4,1312.0 1152.5,1298.4 1162.8,1252.5 1309.9,909.8 1612.0,273.4 1612.0,137.8 1336.9,26.6 700.0,34.7 697.6,60.2 397.4,202.7 400.6,219.7 341.5,203.2 184.2,205.3 67.2,218.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1192.0,-32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0414858,42.1664933]}},{"type":"Feature","properties":{"resourceCoords":[606.0,1267.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0421748,42.1637908]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Randolph, Massachusetts | 1948 | sanborn03828_006 p5 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"6861.2"}],"created":"2026-10-20T03:54:18Z","modified":"2026-10-20T03:54:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1467.5,1411.3 1519.2,1393.1 1479.2,1028.0 1598.0,561.3 1505.9,144.6 1270.4,40.7 1155.0,85.0 1026.0,28.5 614.2,9.0 91.2,53.8 40.1,209.4 66.7,213.0 122.5,332.0 119.5,1014.5 131.5,1375.7 141.4,1420.2 242.4,1387.3 285.0,1390.9 313.8,1401.1 314.1,1400.8 329.8,1361.8 474.5,995.3 956.0,1179.2 1450.0,1349.8 1471.2,1370.8 1467.5,1411.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[956.0,1179.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0384974,42.1641247]}},{"type":"Feature","properties":{"resourceCoords":[121.0,210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0401743,42.1663493]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Randolph, Massachusetts | 1948 | sanborn03828_006 p6 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.57"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T03:54:18Z","modified":"2026-10-20T03:54:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.0,1433.0 77.3,1477.5 51.8,1845.0 303.4,1885.6 385.2,1816.9 347.9,1456.0 599.1,970.1 1131.8,981.5 1228.5,982.9 1228.9,983.6 1235.0,983.8 1465.2,1255.2 1506.0,1243.7 1518.5,1215.3 1501.0,671.0 1501.0,134.0 1090.5,129.3 1046.3,128.8 823.2,131.2 587.5,126.2 451.1,135.9 277.7,166.5 242.4,133.8 225.9,236.5 182.9,635.8 165.2,763.2 80.7,1426.3 49.0,1433.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1501.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0384974,42.1641247]}},{"type":"Feature","properties":{"resourceCoords":[1501.0,134.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0396662,42.1646757]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Randolph, Massachusetts | 1948 | sanborn03828_006 p6 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.02"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1400.8"},{"label":"split_canvas_y","value":"3896.4"},{"label":"split_canvas_w","value":"5051.2"},{"label":"split_canvas_h","value":"3755.6"}],"created":"2026-10-20T03:54:18Z","modified":"2026-10-20T03:54:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"377.7,1519.2 471.8,1909.0 1510.6,1911.5 1514.6,1879.4 1553.5,1870.3 1527.2,1673.0 1564.0,1534.9 1539.5,1514.4 1549.4,1380.8 1384.2,1319.3 1380.9,1256.0 1219.0,1011.6 1058.8,1021.0 904.3,991.4 741.0,1029.5 678.2,1076.9 581.9,1064.9 509.2,1154.0 516.9,1229.3 449.1,1297.6 377.7,1519.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[469.2,1413.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0574873,42.1842549]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,1507.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0528213,42.1847171]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Randolph, Massachusetts | 1948 | sanborn03828_006 p7 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.48"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T03:54:18Z","modified":"2026-10-20T03:54:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1065.7,1827.5 1070.9,1883.8 1179.5,1863.9 1198.9,1829.0 1255.5,1835.6 1558.2,1723.0 1541.8,1678.8 1602.3,1455.1 1583.4,592.7 1612.0,582.1 1612.0,551.2 1009.9,340.1 894.4,298.2 530.3,178.4 437.7,142.6 340.0,72.0 299.2,113.9 145.7,229.2 1.0,309.4 1.0,346.1 35.9,334.6 111.0,536.6 44.6,590.1 32.0,903.8 91.2,1140.4 49.2,1220.7 78.8,1648.0 1.0,1667.7 1.0,1683.1 427.6,1863.8 428.0,1800.3 1065.7,1827.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[340.0,72.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0415899,42.162846]}},{"type":"Feature","properties":{"resourceCoords":[428.0,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0429945,42.1595405]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Randolph, Massachusetts | 1948 | sanborn03828_006 p8 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.23"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2880.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T03:54:18Z","modified":"2026-10-20T03:54:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"96.2,1493.8 114.2,1494.7 169.9,1870.3 170.2,1870.2 255.6,1848.3 264.1,1846.3 274.9,1843.9 302.8,1829.2 320.3,1812.8 366.8,1752.7 370.0,1647.0 418.2,1648.7 643.2,1562.0 594.7,1545.2 600.6,1270.5 664.5,926.4 645.5,604.5 697.8,452.0 698.2,443.9 710.9,179.6 683.2,61.8 406.0,42.6 82.2,85.2 74.0,982.8 94.2,1272.7 152.4,1366.5 96.2,1493.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[412.0,753.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0499765,42.1778273]}},{"type":"Feature","properties":{"resourceCoords":[370.0,1647.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.048478,42.1748107]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Randolph, Massachusetts | 1948 | sanborn03828_006 p8 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.71"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2504.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3948.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T03:54:18Z","modified":"2026-10-20T03:54:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"758.6,77.8 722.4,872.0 698.5,937.3 707.1,1196.1 680.0,1219.5 711.8,1364.5 684.6,1610.1 782.2,1686.8 760.4,1708.5 1083.8,1788.4 1085.8,1809.0 1440.8,1858.3 1454.0,1822.7 1497.8,1824.0 1572.3,1581.0 1562.8,1384.9 1534.0,1322.4 1583.6,1136.9 1534.8,463.2 1578.7,212.7 1523.9,99.9 1298.3,38.4 1093.0,129.1 1048.3,129.6 1050.0,227.5 1009.7,285.2 994.3,301.1 969.2,315.9 951.5,320.9 873.5,344.9 873.3,344.9 805.5,1.0 788.2,1.0 758.6,77.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764rm:g038281948:03828_1948-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1046.6,1274.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0464206,42.1706412]}},{"type":"Feature","properties":{"resourceCoords":[1046.6,432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0479407,42.1737073]}}]}}]}