{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03888_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Weymouth, Massachusetts | 1917 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"53"},{"label":"placed","value":"35"},{"label":"unplaced","value":"18"},{"label":"fit sources","value":"georef-snap 26, georef 7, snap:2 1, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"19 sheet(s) cut into 44 panels"},{"label":"unplaced pages","value":"p10__2 (tier 1, 42.21896,-70.96550 +/-100m); p12__2 (tier 1, 42.22005,-70.96421 +/-123m); p14__2 (tier 1, 42.21746,-70.95546 +/-100m); p15__2 (tier 1, 42.21267,-70.93521 +/-100m); p19__2 (tier 1, 42.21132,-70.92270 +/-100m); p23__1 (tier 1, 42.21832,-70.92107 +/-222m); p23__2 (tier 1, 42.19695,-70.93017 +/-196m); p24__3 (tier 1, 42.19132,-70.95574 +/-124m); p26__2 (tier 1, 42.17284,-70.95485 +/-123m); p28__2 (tier 1, 42.17353,-70.94938 +/-144m); p29__1 (tier 1, 42.16974,-70.95907 +/-204m); p29__3 (tier 1, 42.17010,-70.95676 +/-100m); p6__2 (tier 1, 42.19969,-70.93734 +/-218m); p7__2 (tier 1, 42.25421,-70.93365 +/-143m); p7__3 (tier 3, 42.22887,-70.93796 +/-2968m); p8 (tier 2, 42.25585,-70.92794 +/-100m); p9__2 (tier 1, 42.22581,-70.94192 +/-100m); p9__3 (tier 1, 42.20720,-70.96501 +/-194m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p10 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1453.3,1253.2 1475.7,997.1 1483.9,861.0 1509.5,630.3 1454.0,612.5 1294.2,543.0 1196.2,516.7 1240.3,267.3 1136.2,1.0 1134.0,1.0 1140.4,53.1 787.3,47.5 714.3,224.4 531.2,253.5 497.7,490.2 325.5,647.0 203.1,1138.7 106.2,1251.7 51.0,1603.5 282.9,1672.6 295.9,1636.0 825.6,1912.0 1235.8,1912.0 1193.0,1847.3 1541.0,1591.8 1530.9,1592.1 1492.0,1582.8 1472.3,1540.8 1469.0,1503.4 1452.7,1314.5 1453.3,1253.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1210.0,512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.96689085383919,42.22067076940989]}},{"type":"Feature","properties":{"resourceCoords":[469.0,719.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.96861551551419,42.22001609025735]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p11 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"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":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1482.8,1520.4 1441.2,1519.6 1548.6,716.9 1544.0,463.4 1183.1,476.0 1088.0,487.0 678.9,592.0 671.0,547.2 673.3,377.6 692.8,320.3 421.1,1.4 414.6,1.0 400.1,1.0 32.0,217.9 68.4,287.2 1.0,280.4 1.0,467.8 119.2,545.4 69.2,826.4 1.0,909.1 1.0,1537.2 395.6,1701.3 404.2,1697.2 862.2,1765.6 879.6,1798.9 905.0,1847.7 1482.8,1520.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1088.0,487.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9635025,42.2183315]}},{"type":"Feature","properties":{"resourceCoords":[1562.0,1522.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9615751,42.2167417]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p11 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.64"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3495.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2956.8"},{"label":"split_canvas_h","value":"1930.0"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1018.9,1.0 877.9,1.0 873.8,481.5 881.0,481.5 1084.5,453.3 1117.0,420.9 1194.8,143.2 1018.9,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[873.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.96668498091105,42.217698099347345]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.96497463338567,42.2182337402368]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,482.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.96450374832874,42.21740832246666]}},{"type":"Feature","properties":{"resourceCoords":[873.8,482.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.96621409585413,42.21687268157721]}},{"type":"Feature","properties":{"resourceCoords":[1349.3,329.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9652627,42.2174797]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p12 [1]","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"25"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1011.7,1731.8 1089.2,1744.8 1179.0,1326.1 1192.8,1074.5 1312.3,673.7 1317.1,661.3 1448.1,663.1 1485.1,660.2 1558.7,572.5 1579.5,214.5 1525.8,84.2 822.6,20.5 211.3,59.3 116.4,33.5 57.3,64.7 20.8,354.1 25.8,601.9 57.3,759.0 13.7,878.2 59.8,899.8 132.5,948.0 158.3,961.6 125.6,1073.2 109.7,1139.6 76.2,1264.0 70.6,1294.2 60.5,1407.5 66.5,1430.0 84.9,1437.9 99.7,1440.0 224.3,1610.5 212.3,1638.5 204.8,1723.8 207.1,1746.5 416.7,1709.0 464.9,1707.1 646.7,1714.2 1010.5,1738.0 1011.7,1731.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[147.0,1447.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9652479,42.2188698]}},{"type":"Feature","properties":{"resourceCoords":[1143.0,1012.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9613946,42.2217397]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p13 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.0,205.6 35.9,668.2 75.5,854.2 53.3,963.0 80.3,1029.5 33.4,1234.2 96.6,1457.7 110.2,1668.1 83.5,1834.0 183.8,1876.3 265.9,1840.2 418.9,1841.7 457.7,1460.4 509.6,1458.7 516.5,1414.3 800.9,1412.2 874.2,1461.3 877.5,1461.3 877.5,1463.5 880.7,1465.6 928.5,1828.3 1044.8,1842.0 1049.7,1867.7 1364.9,1839.2 1442.7,1860.2 1489.5,1880.0 1489.3,1912.0 1496.4,1912.0 1561.9,1696.5 1561.8,1695.0 1540.3,1349.0 1526.8,1197.5 1515.0,979.5 1509.7,910.1 1483.3,464.2 1470.2,297.7 1457.7,234.9 1427.3,158.9 1420.1,141.3 1193.4,84.5 1188.8,86.2 1029.6,1.0 889.4,1.0 885.6,102.9 885.6,103.4 854.1,102.5 514.1,72.7 437.8,63.8 428.7,218.7 368.6,204.9 324.1,189.1 151.3,101.9 20.9,31.9 50.0,205.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1062.0,474.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.96409198781133,42.21425691322399]}},{"type":"Feature","properties":{"resourceCoords":[437.0,244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.96743209909536,42.21414145990758]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p13 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.61"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1857.2"},{"label":"split_canvas_y","value":"5845.2"},{"label":"split_canvas_w","value":"1666.4"},{"label":"split_canvas_h","value":"1806.8"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"584.2,1911.0 682.1,1912.0 720.0,1911.8 729.1,1907.9 833.7,1776.3 843.9,1750.2 848.7,1699.6 847.2,1684.0 841.8,1659.3 820.4,1598.3 812.4,1580.2 689.3,1682.0 586.8,1904.5 584.2,1911.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[464.3,1461.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.96055843380685,42.21098335296715]}},{"type":"Feature","properties":{"resourceCoords":[880.9,1461.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.95955483359677,42.21127748835504]}},{"type":"Feature","properties":{"resourceCoords":[880.9,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.95912740439756,42.21046606296211]}},{"type":"Feature","properties":{"resourceCoords":[464.3,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.96013100460765,42.21017192757422]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0014__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p14 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"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":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0014__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"998.2,1851.8 999.2,1870.6 1137.6,1834.4 1141.4,1691.1 1112.2,1517.7 1031.8,1426.2 987.4,1085.0 1007.3,1102.3 1006.9,1067.5 1006.9,1067.4 1006.9,1067.4 1016.1,1062.9 1235.7,1047.0 1327.5,992.5 1342.9,788.0 1421.5,750.2 1428.5,695.9 1503.7,628.1 1388.7,576.4 1387.5,528.3 1262.3,526.9 1142.8,481.9 921.5,482.8 920.9,479.8 920.0,479.8 920.0,474.6 855.4,109.3 689.7,51.0 687.8,1.0 608.5,1.0 608.9,6.7 247.0,73.6 271.6,200.2 288.4,611.9 309.3,608.7 48.5,823.5 81.5,866.9 110.6,924.5 168.2,1082.7 314.0,1508.6 337.9,1574.5 408.1,1783.2 444.8,1880.8 998.2,1851.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0014__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[786.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.95945163684364,42.21714772243347]}},{"type":"Feature","properties":{"resourceCoords":[311.0,1495.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.96119354069253,42.21345832855448]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0014__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p14 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.71"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4027.6"},{"label":"split_canvas_y","value":"4058.0"},{"label":"split_canvas_w","value":"2424.4"},{"label":"split_canvas_h","value":"3594.0"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0014__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1195.7,1466.4 1190.1,1715.4 1212.7,1797.8 1315.5,1876.4 1456.6,1883.5 1449.0,1872.6 1459.4,1859.1 1533.8,1849.5 1570.6,1788.7 1552.3,1760.8 1588.5,1390.2 1549.2,1356.0 1573.4,1337.3 1590.5,1088.1 1612.0,1082.4 1612.0,1080.6 1611.1,1063.7 1064.7,1093.5 1081.8,1138.8 1195.2,1465.0 1195.7,1466.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0014__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1181.7,1408.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.95950058102049,42.21099955757577]}},{"type":"Feature","properties":{"resourceCoords":[1091.8,1104.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.96014351231631,42.21208218733537]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0015__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p15 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0015__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1462.6,42.4 1111.4,75.2 817.0,81.9 677.1,35.2 260.2,55.4 181.1,31.2 41.9,57.4 22.9,117.8 31.6,696.2 79.5,1201.1 31.2,1392.2 43.2,1868.3 297.6,1862.3 501.6,1894.7 656.0,1874.1 683.8,1794.5 659.3,1604.1 683.2,1390.1 729.5,1286.9 729.6,1282.5 731.5,1282.5 733.0,1279.0 1072.2,1282.0 1073.1,1285.2 1078.0,1285.2 1077.8,1302.3 1090.5,1349.2 1110.7,1812.9 1545.2,1781.2 1545.2,1773.2 1544.5,1743.2 1529.8,1423.0 1526.8,1241.8 1526.4,1011.8 1535.5,874.3 1536.2,809.5 1530.3,739.1 1521.6,688.3 1508.9,567.5 1495.2,416.4 1482.5,253.6 1473.4,169.9 1462.6,42.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0015__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[395.0,1268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9356927234064,42.21317694731184]}},{"type":"Feature","properties":{"resourceCoords":[303.0,293.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.94061659081206,42.213231347128506]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p16 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"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":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"722.6,1880.3 958.9,1891.8 1048.8,1853.1 1029.7,1666.4 1061.4,1451.9 1467.2,1407.8 1482.6,1308.0 1520.3,1290.0 1525.5,1236.8 1568.8,1229.0 1504.0,730.0 1573.4,169.4 1530.1,95.2 1394.0,105.2 1343.4,73.3 1176.2,137.3 871.4,163.1 546.2,35.9 360.2,17.6 35.8,71.3 55.9,199.2 71.1,283.1 95.7,446.6 120.4,598.3 141.9,719.3 154.4,770.0 165.3,840.7 169.4,906.2 170.1,1045.8 187.1,1278.0 203.2,1460.7 241.1,1783.1 243.9,1813.3 245.8,1841.0 405.9,1836.1 721.2,1855.2 722.6,1880.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[776.0,735.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.93733327718097,42.21986662039256]}},{"type":"Feature","properties":{"resourceCoords":[655.0,1693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.93276030077716,42.2187973911711]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0016__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p16 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.27"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4356.8"},{"label":"split_canvas_y","value":"5810.8"},{"label":"split_canvas_w","value":"2095.2"},{"label":"split_canvas_h","value":"1841.2"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0016__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,1452.7 1089.2,1456.1 1093.3,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0016__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1089.2,1452.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93813742160232,42.22095331921357]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1452.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93561547195482,42.22150537684216]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93495996104876,42.21986145872387]}},{"type":"Feature","properties":{"resourceCoords":[1089.2,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.93748191069626,42.21930940109528]}},{"type":"Feature","properties":{"resourceCoords":[1163.2,1789.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9373,42.21983]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.0,1796.5 219.9,1792.5 627.1,1849.8 928.3,1760.7 1232.7,1867.4 1385.1,1809.3 1394.2,1311.5 1477.5,1192.2 1511.9,1127.0 1522.4,1079.0 1465.4,1072.5 1510.9,95.0 1611.1,31.0 1580.5,27.6 1507.2,80.5 1377.4,31.6 234.3,75.1 241.9,1.0 192.4,1.0 121.8,617.2 114.5,931.9 75.8,932.6 154.0,1796.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[381.0,1006.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.93175705593724,42.21701905953394]}},{"type":"Feature","properties":{"resourceCoords":[1594.0,1006.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.92871781667063,42.21673305130769]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"573.6,1879.0 939.1,1791.3 938.4,1800.6 1429.2,1838.5 1501.2,1912.0 1514.4,1912.0 1584.7,1912.0 1563.2,1209.3 1582.5,1211.3 1612.0,1217.6 1612.0,1142.2 1516.5,1031.1 1586.0,651.1 1571.1,319.9 1506.0,140.2 1381.0,87.3 1120.1,126.5 1085.8,1.0 892.7,1.0 764.1,116.7 736.9,75.6 336.1,13.7 340.1,33.4 123.4,32.2 29.4,107.3 88.2,1096.5 146.3,1096.9 140.8,1146.3 113.2,1215.7 42.0,1344.7 86.2,1847.0 160.1,1809.4 245.9,1886.7 573.7,1876.6 573.6,1879.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[577.0,1097.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.927875089349,42.216431083840824]}},{"type":"Feature","properties":{"resourceCoords":[921.0,1816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9274530397643,42.214992202837195]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p19 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"91.2,448.9 180.2,563.6 176.4,638.4 147.5,630.6 128.5,627.7 114.8,1324.6 32.1,1320.4 33.0,1321.5 456.5,1800.1 556.7,1787.4 576.2,1841.5 797.8,1820.2 827.6,1912.0 943.7,1912.0 931.3,1731.3 1099.1,1696.2 1429.3,1019.8 1399.2,841.0 1363.3,683.3 1493.3,568.2 1535.2,505.6 1562.5,406.6 1563.4,400.6 1567.5,371.4 1576.2,291.4 1100.4,1.0 911.9,1.0 918.7,237.4 889.8,287.9 889.0,338.7 857.4,344.4 427.4,327.8 423.8,322.6 419.2,322.5 419.2,316.1 327.4,184.3 178.4,174.9 178.9,76.2 91.2,448.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1224.0,1681.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9233149508546,42.21351008567295]}},{"type":"Feature","properties":{"resourceCoords":[376.0,902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.92505838433212,42.2152236247453]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"369.4,117.8 370.8,127.0 854.3,49.8 1485.0,445.9 1577.8,405.3 1611.9,451.8 1507.8,493.4 1566.8,1399.3 1483.8,1766.7 1227.0,1725.5 737.2,1883.4 58.3,1860.2 26.0,1103.6 91.9,525.2 36.2,287.4 369.4,117.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[415.0,347.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.92755176656651,42.21461064243447]}},{"type":"Feature","properties":{"resourceCoords":[374.0,125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.92739252608224,42.215013053125666]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1466.7,1581.8 1433.9,1753.0 1387.4,1736.8 1063.2,1912.0 1025.5,1912.0 1011.1,1912.0 870.6,1788.5 445.1,1891.6 30.0,1833.0 88.8,1096.5 31.9,397.1 233.9,71.9 365.1,142.2 939.0,19.7 1526.7,41.0 1594.8,371.3 1611.2,1028.0 1555.3,1416.9 1612.0,1469.9 1612.0,1471.6 1466.7,1581.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[825.0,1602.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.927534066299,42.21915994999059]}},{"type":"Feature","properties":{"resourceCoords":[1445.0,1723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.92678241142039,42.21813326545758]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"429.6,965.6 432.9,925.2 188.7,784.4 94.5,786.8 84.3,596.6 23.7,255.1 67.6,55.6 415.5,60.8 810.2,22.6 947.8,38.5 1126.7,109.0 1404.7,65.5 1523.1,96.5 1500.3,254.2 1565.6,494.1 1593.2,749.3 1574.5,1689.2 1536.4,1827.8 893.6,1892.0 567.7,1867.3 252.3,1892.5 115.3,1861.7 76.5,1751.8 134.8,1749.9 126.2,1659.0 210.4,1639.2 368.2,1294.1 350.8,1204.4 330.7,1125.4 394.7,1065.8 415.1,1033.7 427.6,983.4 429.6,965.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1180.0,546.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.91777264206718,42.21674154516881]}},{"type":"Feature","properties":{"resourceCoords":[642.0,1124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.92099378880819,42.215059715104694]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0024__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p24 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.66"},{"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":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0024__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"782.9,1788.2 1184.9,1892.3 1512.3,1815.5 1567.7,1703.7 1543.6,1543.3 1478.7,1508.6 1311.0,1509.4 1308.8,964.6 1311.0,964.4 1311.0,962.2 1336.2,962.0 1580.0,938.6 1576.5,84.5 1511.5,39.1 1465.5,68.5 1354.8,70.3 1290.0,46.4 861.5,64.2 653.9,46.2 604.3,72.0 296.9,66.4 280.4,148.9 141.2,154.8 86.5,91.4 35.9,274.5 28.6,478.3 80.5,588.3 90.1,952.7 122.9,991.5 177.8,991.5 412.6,989.3 740.8,986.3 751.8,991.7 782.9,1788.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0024__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1104.0,810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.95543851722685,42.18686042849443]}},{"type":"Feature","properties":{"resourceCoords":[1104.0,237.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.95539005186787,42.18902310407136]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0024__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p24 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"5244.0"},{"label":"split_canvas_y","value":"3838.4"},{"label":"split_canvas_w","value":"1208.0"},{"label":"split_canvas_h","value":"2199.2"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0024__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1507.4 1613.0,959.6 1311.0,962.2 1311.0,1509.4 1613.0,1507.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0024__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1311.0,959.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.95625308189364,42.18906267977911]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,959.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.95549935338737,42.18906685376601]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1509.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.95548916581608,42.18804260168708]}},{"type":"Feature","properties":{"resourceCoords":[1311.0,1509.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.95624289432234,42.188038427700185]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"490.4,1827.3 441.4,1870.4 426.2,1856.2 418.8,1857.5 331.6,1912.0 312.3,1912.0 310.0,1882.1 99.8,1839.7 58.6,1741.1 72.7,1153.8 28.8,971.4 47.0,675.2 21.1,494.6 33.2,223.2 88.8,101.5 229.5,111.7 382.0,39.4 623.8,19.5 976.6,90.5 996.9,179.8 1195.2,195.6 1263.2,169.6 1278.2,91.1 1497.3,79.9 1576.5,273.0 1540.2,716.5 1541.2,1483.3 1564.1,1620.1 1585.0,1623.3 1560.8,1662.8 1570.1,1688.1 1404.3,1761.7 1361.4,1778.1 1241.2,1810.8 1192.0,1822.6 1175.3,1804.0 1147.8,1736.8 1139.5,1697.5 1112.9,1659.7 1098.7,1639.6 536.5,1786.8 502.1,1817.1 490.4,1827.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1513.0,1738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.94952753660853,42.17466510295211]}},{"type":"Feature","properties":{"resourceCoords":[499.0,434.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.95524802863777,42.17913579093971]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0026__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p26 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0026__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1604.8 1526.5,1134.7 1470.1,688.0 1498.0,686.3 1313.5,5.6 1302.2,1.0 1053.6,1.0 1031.9,37.0 271.2,43.4 137.8,204.8 63.1,183.7 45.4,561.6 1.0,635.2 1.0,639.7 91.3,907.0 74.2,913.8 142.2,1247.0 101.1,1301.3 508.7,1805.3 581.0,1711.4 522.5,1657.3 757.1,1009.3 760.9,1009.2 761.3,1007.5 856.8,1008.1 1060.3,1005.9 1230.7,1158.3 1329.7,1242.6 1330.2,1247.3 1351.5,1266.4 1446.8,1840.6 1565.2,1840.6 1589.0,1786.0 1612.0,1792.8 1612.0,1604.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0026__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[461.0,806.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.955385733625,42.171672028238]}},{"type":"Feature","properties":{"resourceCoords":[1488.0,724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.95345893928732,42.17296454402183]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"148.4,662.7 120.5,659.9 103.5,1111.5 111.5,1590.9 80.8,1777.0 185.1,1827.2 895.2,1738.6 1037.3,1882.4 1442.4,1450.3 1370.8,1237.0 1371.4,1033.8 1362.4,968.0 1272.8,920.6 1272.3,870.6 1319.8,733.2 1327.9,718.8 1359.5,663.1 1360.4,654.8 1369.3,571.1 1374.6,522.1 336.4,1.0 81.1,1.0 148.4,662.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[112.0,626.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9536268515139,42.173028929568034]}},{"type":"Feature","properties":{"resourceCoords":[1237.0,824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.95133266389132,42.17430817616475]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0028__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p28 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.80"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0028__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"59.2,567.5 86.2,579.6 101.5,623.5 39.9,792.6 23.8,1203.0 76.1,1329.9 38.1,1685.0 75.8,1825.1 619.2,1885.3 906.2,1837.5 1006.5,1882.0 1276.1,1878.7 1543.3,1813.2 1579.6,1704.9 1582.4,1413.9 1516.0,1333.0 1495.6,1266.3 1371.4,1137.1 1211.7,1047.6 1169.7,958.2 1097.2,915.0 979.1,748.2 933.2,734.0 754.1,491.1 746.3,483.0 747.4,482.0 746.9,481.4 982.0,259.4 988.8,253.0 988.8,253.0 992.5,251.2 1164.8,306.2 1243.1,295.4 1520.5,393.3 1557.7,232.7 1471.6,142.2 1476.0,107.8 1207.1,34.4 649.6,20.1 476.6,41.9 437.7,20.3 400.9,49.3 400.9,76.5 218.0,88.3 171.7,88.9 46.2,78.0 62.5,107.3 99.0,203.1 171.5,290.5 59.2,567.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0028__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[149.0,87.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9503727,42.174431]}},{"type":"Feature","properties":{"resourceCoords":[660.0,1930.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.94408,42.16913]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0029__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p29 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.33"},{"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":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0029__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"778.6,649.0 369.5,513.4 203.8,459.0 90.2,452.2 36.4,562.9 34.1,1211.7 600.0,1226.2 634.5,1225.9 634.8,1418.5 670.8,1467.5 681.6,1621.0 681.5,1720.7 644.4,1791.0 694.6,1869.6 852.8,1872.5 864.0,1849.4 962.4,1823.2 1147.9,1805.1 1173.7,1857.6 1224.3,1870.8 1514.5,1889.5 1563.7,1876.3 1587.2,1822.2 1587.3,1611.2 1516.7,1440.0 1523.7,1238.2 1581.3,1160.8 1589.9,996.8 1575.0,564.7 1527.1,370.4 1544.5,176.4 1523.8,116.2 1199.7,147.9 1188.2,115.7 1029.6,52.1 1031.5,43.1 890.2,6.0 896.2,20.6 820.9,46.6 812.0,76.5 779.1,647.8 778.6,649.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0029__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1463.0,847.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9552385035579,42.16774901414767]}},{"type":"Feature","properties":{"resourceCoords":[831.0,1526.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.95935039359627,42.166127987482994]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p2 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"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":"1872.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5779.6"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1553.9,1197.2 1555.7,1146.2 1521.3,1147.8 1497.1,844.5 1458.7,794.7 1456.3,758.6 1031.0,705.2 888.1,663.0 840.2,623.3 598.8,578.5 445.6,594.8 207.9,506.3 35.8,508.0 32.6,1895.2 1.0,1909.8 1.0,1910.2 1530.5,1911.7 1510.9,1606.9 1530.9,1612.2 1553.9,1197.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[711.0,1656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9623131,42.2407112]}},{"type":"Feature","properties":{"resourceCoords":[720.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9622333,42.2430756]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3058.8"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.6,436.3 130.0,435.3 838.5,622.0 1553.1,752.5 1595.0,720.8 1591.3,172.7 1597.7,173.9 1612.0,139.4 1612.0,52.4 1360.5,30.5 1360.7,32.4 759.5,89.7 741.6,102.0 653.9,151.8 610.4,159.8 513.8,157.4 300.7,147.7 108.8,143.1 93.4,142.8 80.6,142.2 60.2,139.8 123.6,436.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[511.0,150.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.95608871652354,42.24055647519332]}},{"type":"Feature","properties":{"resourceCoords":[77.0,150.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9582433759756,42.24080975509443]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"750.5,1865.7 654.9,1900.3 610.4,1900.8 515.0,1882.1 305.1,1836.3 100.2,1796.2 87.7,1793.5 120.1,1379.2 123.1,1328.2 88.7,1329.1 71.4,1025.3 34.1,974.7 32.6,938.6 34.9,939.0 57.8,242.2 89.0,67.3 290.4,18.6 1042.2,20.2 1045.1,7.2 1179.1,213.1 1366.8,495.7 1464.7,635.5 1446.4,642.6 1534.8,1012.8 1511.3,1040.5 1506.2,1066.7 1517.1,1234.8 1584.4,1229.7 1578.0,1293.5 1612.0,1349.5 1612.0,1889.0 1596.0,1892.0 1596.0,1912.0 1423.4,1912.0 1376.7,1899.8 1376.6,1901.7 770.3,1856.5 750.5,1865.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1201.0,1602.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.95267110754314,42.24159639506519]}},{"type":"Feature","properties":{"resourceCoords":[543.0,70.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.95604711519027,42.24723002847226]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"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":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1442.3,1163.1 1371.0,1163.4 1406.9,1063.5 1464.6,996.6 1343.8,995.3 1242.8,1075.0 1136.1,988.8 1016.6,100.4 950.0,67.3 930.9,84.2 856.6,20.9 813.7,30.3 793.7,12.6 716.9,51.5 470.6,105.6 475.7,95.1 443.4,53.8 418.8,79.0 124.5,140.8 89.7,281.7 87.1,762.9 43.0,1075.9 30.0,1458.2 53.4,1488.6 294.4,1517.0 627.8,1553.0 795.9,1567.0 789.8,1585.5 1126.8,1752.2 1133.0,1787.7 1149.7,1808.1 1284.3,1906.1 1323.0,1851.7 1367.4,1896.9 1468.8,1912.0 1596.0,1912.0 1596.0,1894.0 1612.0,1893.0 1612.0,1579.4 1594.3,1524.6 1606.2,1511.9 1567.5,1518.2 1540.1,1483.0 1562.0,1431.5 1511.4,1209.0 1531.3,1168.9 1442.3,1163.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[898.0,1424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.95052710046318,42.24523663008397]}},{"type":"Feature","properties":{"resourceCoords":[161.0,1254.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.95228884192683,42.24774704242602]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p4 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.30"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4216.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2235.2"},{"label":"split_canvas_h","value":"3778.0"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1169.9,819.4 1212.6,850.6 1210.5,862.3 1435.0,740.1 1498.8,680.5 1523.2,692.1 1562.2,670.9 1529.3,655.9 1529.1,454.4 1455.4,396.7 1488.5,315.1 1438.9,292.5 1496.2,157.5 1436.0,158.2 1391.2,230.4 1272.0,176.2 1287.2,142.8 1191.7,115.4 1148.5,43.4 1097.2,68.3 1095.0,292.9 1179.0,802.3 1169.9,819.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1054.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.94327893419445,42.251503682060225]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.94212699551325,42.249617256884825]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,944.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.94640051148937,42.248167136737635]}},{"type":"Feature","properties":{"resourceCoords":[1054.2,944.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.94755245017058,42.250053561913035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p5 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1057.2 1.0,1901.5 55.7,1898.1 105.5,1912.0 112.2,1912.0 143.2,1912.0 145.2,1892.6 267.5,1885.0 1010.4,1866.3 1010.2,1862.5 1258.2,1881.1 1251.9,1850.3 1450.8,1809.3 1491.5,1826.8 1521.8,1776.2 1467.6,1513.2 1566.2,859.5 1589.0,269.6 1549.0,3.8 1373.3,64.9 1110.2,136.3 1101.6,107.3 881.7,216.4 876.4,240.2 840.1,253.0 825.6,393.6 823.8,396.7 703.3,420.8 588.3,446.3 553.0,490.6 278.6,543.5 240.7,513.2 188.2,523.7 153.6,530.6 63.4,587.8 120.1,631.6 187.2,691.2 146.6,710.7 49.2,918.5 1.0,945.3 1.0,991.3 34.5,1009.6 17.3,1012.4 1.0,1057.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[189.0,1484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.94826553740745,42.241163947602516]}},{"type":"Feature","properties":{"resourceCoords":[1243.0,1077.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.94266762424867,42.241854741867606]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p5 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.06"},{"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":"3295.2"},{"label":"split_canvas_h","value":"2245.2"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"598.2,441.8 765.2,408.4 794.8,401.3 778.9,395.4 780.2,382.0 806.6,360.1 804.6,44.3 518.6,6.8 397.5,14.3 336.3,55.8 152.1,72.9 27.9,31.3 15.9,542.0 159.8,527.3 159.2,529.5 189.4,523.5 196.2,505.6 381.8,444.3 385.3,468.1 598.2,441.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[561.9,324.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9412,42.246]}},{"type":"Feature","properties":{"resourceCoords":[806.8,354.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.93967,42.24579]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"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":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.8,579.3 20.6,1433.6 50.7,1826.4 137.9,1872.3 390.6,1894.7 873.0,1829.9 862.0,1700.3 911.8,1689.6 942.2,1645.2 923.9,1542.2 951.0,1287.1 951.0,1276.0 952.2,1275.9 1560.8,1273.3 1577.9,1238.1 1579.7,811.7 1547.9,535.7 1571.6,237.3 1512.2,129.1 1501.9,56.5 1255.3,22.9 1255.2,26.7 539.8,1.0 388.9,1.0 385.9,19.1 348.2,16.9 302.3,1.0 32.7,1.0 25.8,16.7 19.4,15.4 13.5,561.0 20.8,579.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.95082805135559,42.23991327537125]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9428168965243,42.23906570225604]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.94416503556839,42.231981371711186]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.95217619039967,42.232828944826394]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.66"},{"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":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"48.5,1865.8 133.9,1894.6 1108.5,1867.5 1424.8,1889.4 1551.1,1819.2 1509.4,1432.0 1482.7,1400.6 1509.2,1209.0 1235.0,1208.8 1203.5,1191.6 1219.8,1171.0 1164.7,1170.0 1147.1,1165.1 976.1,1091.0 925.4,1070.0 807.5,1021.1 807.5,1021.1 804.5,1016.7 799.0,318.1 735.7,60.7 650.3,31.9 511.5,75.5 238.4,16.8 99.1,67.7 25.6,840.3 48.5,1865.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[97.0,1579.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.93572475822201,42.257016233282286]}},{"type":"Feature","properties":{"resourceCoords":[843.0,1439.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9347256780486,42.254305205938415]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p9 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"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":"3447.6"},{"label":"split_canvas_h","value":"4922.4"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.4,70.4 93.9,211.2 48.5,583.3 66.3,973.2 33.9,1150.7 182.6,1155.0 377.3,1155.7 424.5,1150.0 484.7,1135.3 423.2,992.0 495.8,965.6 815.1,839.5 843.9,826.3 708.0,527.8 676.8,459.4 542.4,128.0 201.9,53.7 200.5,73.2 78.4,70.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[259.0,507.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9684428510358,42.21658585216124]}},{"type":"Feature","properties":{"resourceCoords":[354.9,882.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.96808511822837,42.21517938696945]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0009__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Weymouth, Massachusetts | 1917 | sanborn03888_006 p9 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1838.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5814.0"}],"created":"2026-10-19T09:33:47Z","modified":"2026-10-19T09:33:47Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0009__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"323.4,1865.1 485.5,1865.8 617.4,1912.0 806.2,1912.0 1236.9,1911.6 1515.2,1868.1 1580.4,1672.3 1599.0,1163.8 1586.2,851.5 1548.5,691.7 1491.5,614.1 1140.5,614.0 1138.2,611.2 1135.7,611.2 1133.5,605.3 1052.8,506.5 775.5,482.3 752.7,514.6 767.9,657.8 861.9,865.9 861.9,866.0 861.9,866.0 861.9,866.0 861.4,868.5 546.0,1005.0 551.9,1161.5 560.1,1181.3 560.0,1181.3 560.1,1181.6 552.6,1182.3 552.7,1183.9 298.2,1206.7 315.4,1229.6 282.8,1255.8 79.0,1271.7 51.8,1370.8 15.0,1844.9 37.2,1910.5 248.3,1911.4 323.4,1865.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038881917:03888_1917-0009__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1310.0,814.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.94274352880018,42.23103901063937]}},{"type":"Feature","properties":{"resourceCoords":[1105.0,1658.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.94276833649228,42.22784777148769]}}]}}]}