{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03896_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Woburn, Massachusetts | 1910 | 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":"50"},{"label":"placed","value":"27"},{"label":"unplaced","value":"23"},{"label":"fit sources","value":"georef-snap 23, snap:0 2, georef 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"13 sheet(s) cut into 34 panels"},{"label":"unplaced pages","value":"p12__2 (tier 1, 42.47912,-71.14239 +/-138m); p14__1 (tier 1, 42.47339,-71.14627 +/-100m); p18__2 (tier 1, 42.47165,-71.15149 +/-100m); p19__3 (tier 1, 42.46920,-71.14870 +/-100m); p20__1 (tier 1, 42.46685,-71.14848 +/-156m); p22__2 (tier 1, 42.47853,-71.15923 +/-108m); p22__3 (tier 1, 42.48428,-71.15938 +/-100m); p24__2 (tier 1, 42.47415,-71.15570 +/-100m); p24__4 (tier 1, 42.47370,-71.15604 +/-100m); p26__1 (tier 3, 42.47747,-71.11702 +/-596m); p26__2 (tier 1, 42.47859,-71.11892 +/-175m); p27__1 (tier 1, 42.48767,-71.13399 +/-109m); p27__2 (tier 1, 42.48516,-71.17013 +/-164m); p27__3 (tier 1, 42.48788,-71.13424 +/-100m); p27__4 (tier 1, 42.48772,-71.13409 +/-125m); p27__5 (tier 1, 42.49597,-71.12314 +/-127m); p28__1 (tier 4, 42.47815,-71.15105 +/-3489m); p28__2 (tier 4, 42.47815,-71.15105 +/-3489m); p28__3 (tier 1, 42.50465,-71.16554 +/-179m); p29__2 (tier 1, 42.46765,-71.14220 +/-100m); p2__1 (tier 1, 42.49268,-71.15484 +/-107m); p30 (tier 4, 42.47815,-71.15105 +/-3489m); p9__1 (tier 1, 42.47883,-71.15503 +/-141m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"24.3,1516.9 41.1,850.6 128.8,849.6 108.7,586.4 71.8,104.1 312.7,98.5 704.8,75.5 864.0,62.3 1003.4,36.3 1086.3,32.2 1291.7,50.1 1456.7,74.5 1510.0,115.2 1571.9,334.4 1495.5,734.7 1532.5,938.5 1476.8,972.8 1560.3,1171.0 1558.1,1479.6 1483.3,1613.9 1551.4,1837.0 1445.3,1883.0 1201.0,1860.5 1215.7,1783.9 721.5,1676.2 720.3,1632.8 694.3,1631.8 87.6,1527.8 24.3,1516.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[458.0,842.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14677827673002,42.479136531317074]}},{"type":"Feature","properties":{"resourceCoords":[952.0,842.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14572884577566,42.479617186019034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1349.9,1546.1 1460.3,972.9 1605.0,272.9 1551.7,252.5 1491.8,105.9 1332.6,137.8 1061.8,57.3 812.0,124.0 721.4,259.5 535.3,281.1 247.8,163.3 185.9,62.2 230.0,48.2 225.3,1.0 148.2,1.0 135.9,499.4 94.2,508.7 98.0,534.0 110.4,1141.8 116.7,1463.2 124.1,1836.6 490.0,1834.2 594.4,1831.4 823.4,1833.7 1178.2,1832.5 1294.2,1834.8 1349.9,1546.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1392.0,1284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14583633563144,42.47537134718706]}},{"type":"Feature","properties":{"resourceCoords":[99.0,194.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14442926980989,42.478354387224016]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p12 [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":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"45.6,1263.5 25.9,1463.2 2.2,1617.4 1.0,1633.9 1.0,1647.0 30.4,1651.9 591.0,1750.8 993.5,1828.0 995.3,1711.2 992.1,1353.9 993.1,1123.2 989.7,1018.1 985.4,649.7 1361.3,640.2 1612.0,633.9 1612.0,609.1 1612.0,581.0 1512.3,1.0 1410.1,1.0 968.0,95.8 711.8,146.7 598.2,171.2 559.8,179.6 497.7,187.4 447.4,165.0 434.2,136.1 46.8,53.0 43.9,89.6 37.5,180.8 33.7,394.6 48.2,926.9 49.5,1002.4 50.5,1068.6 45.6,1263.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[988.0,661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14827470903532,42.477195863708154]}},{"type":"Feature","properties":{"resourceCoords":[988.0,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14721659507988,42.47512365775825]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"135.2,1912.0 203.9,1912.0 236.4,1870.5 1198.9,1769.3 1342.4,1835.3 1374.0,1912.0 1488.2,1515.5 1498.8,1454.5 1374.0,1458.5 1612.0,503.1 1612.0,464.4 1539.9,443.2 1024.7,296.5 820.6,228.3 735.0,194.7 661.6,165.2 466.5,98.3 260.4,48.0 113.6,5.2 84.2,156.3 57.6,359.4 39.3,560.8 33.5,772.0 83.3,772.2 86.9,1156.9 62.7,1506.9 79.9,1506.2 1.0,1700.5 1.0,1795.2 135.2,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[96.0,1165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15389647759729,42.477394539465564]}},{"type":"Feature","properties":{"resourceCoords":[724.0,1494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15357562639252,42.476109251029314]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p14 [2]","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":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0014__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1663.7 1538.8,1675.2 1588.2,563.1 1477.5,130.6 887.6,22.5 683.7,40.0 407.2,163.4 234.3,107.1 125.1,816.0 43.6,1396.2 584.6,1410.5 807.3,1419.5 1059.2,1390.2 1126.5,1889.0 1227.8,1872.2 1612.0,1715.1 1612.0,1663.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[533.0,345.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14359002773527,42.47500926099613]}},{"type":"Feature","properties":{"resourceCoords":[1165.0,1889.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14680101688889,42.4730014155348]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1450.5,758.4 1480.2,914.7 1488.5,1001.9 1485.0,1205.8 1463.2,1551.2 1429.4,1766.4 1408.0,1870.8 1399.7,1912.0 1175.5,1737.6 1094.8,1681.0 1040.9,1653.3 939.4,1619.8 858.3,1606.2 539.3,1563.3 300.9,1535.8 213.6,1530.5 214.4,1496.9 233.2,920.5 252.8,505.8 265.7,206.0 814.5,167.5 1040.8,154.8 1292.7,100.5 1409.7,598.5 1450.5,758.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1389.0,598.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14684088939265,42.47310689218151]}},{"type":"Feature","properties":{"resourceCoords":[231.0,504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14723495558066,42.475213836075014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1123.9,1880.5 1110.9,1898.0 1100.6,1843.3 1076.9,1820.2 811.2,1843.7 374.8,1884.2 338.9,1857.9 219.1,1857.6 67.7,1715.7 23.9,910.0 30.8,460.8 457.8,385.8 517.5,368.6 459.2,257.6 1462.3,46.3 1471.8,103.7 1495.8,299.1 1505.7,501.4 1504.9,658.9 1504.7,688.5 1499.8,775.6 1473.7,1013.2 1432.7,1331.3 1419.5,1412.1 1386.6,1513.5 1359.3,1567.3 1303.4,1648.1 1130.8,1872.3 1141.5,1874.4 1123.9,1880.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[847.0,1006.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15116599983133,42.47401303814146]}},{"type":"Feature","properties":{"resourceCoords":[460.0,106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15258169232204,42.4754791788021]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1425.0,1835.0 1413.2,1511.8 1411.1,811.7 1413.7,592.3 1408.9,199.3 1452.2,197.6 1612.0,153.8 1612.0,119.9 1552.7,119.9 1396.7,33.8 966.1,1.3 954.0,52.5 534.4,119.1 429.5,112.1 416.6,277.7 394.3,436.4 374.0,522.1 304.6,715.4 171.9,1037.7 70.0,1231.9 15.8,1324.5 1.0,1349.8 1.0,1371.8 18.1,1397.0 145.0,1582.8 248.0,1695.6 374.3,1773.2 462.4,1803.2 580.2,1822.9 676.8,1824.0 1035.4,1819.4 1425.0,1835.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1022.0,1829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14969094469828,42.470528823613854]}},{"type":"Feature","properties":{"resourceCoords":[1401.0,1829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14920616576013,42.469939749509486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0018__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p18 [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":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0018__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"719.5,103.0 724.0,107.8 652.5,225.8 632.5,542.2 626.7,552.0 530.7,552.8 134.8,593.9 66.5,728.0 126.2,706.5 130.6,1045.1 48.9,1144.8 22.5,1375.1 57.8,1822.1 326.7,1874.8 337.4,1892.0 1566.5,1697.3 1560.8,1671.6 1471.9,1294.0 1371.8,951.6 1347.1,858.7 1334.6,740.5 1339.9,648.0 1380.6,506.3 1461.2,377.5 1605.5,206.3 1612.0,198.6 1612.0,150.8 1605.0,143.1 1582.7,118.4 1314.6,125.7 1150.5,130.7 874.1,139.2 839.8,110.7 719.5,103.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[867.0,1773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1507749025687,42.46937515640327]}},{"type":"Feature","properties":{"resourceCoords":[1451.0,1289.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1497067885471,42.47051560519302]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p19 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.35"},{"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":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"167.6,1741.7 255.4,1746.7 853.6,1827.8 946.3,1832.1 1305.9,1837.9 1443.9,1826.3 1465.7,1823.2 1469.3,1822.7 1465.8,1591.7 1446.4,1622.7 1283.1,1546.0 763.8,1544.7 762.0,1544.7 729.2,1539.8 673.8,696.5 723.6,617.0 647.4,441.6 705.9,78.1 293.9,73.8 292.4,106.7 137.1,147.6 95.2,148.9 93.4,530.3 87.3,743.2 78.0,1422.6 84.1,1736.5 167.6,1741.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14557023835727,42.471765706921026]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14340114708794,42.46919118293023]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14751153960414,42.467280218169265]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14968063087346,42.46985474216006]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0019__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p19 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.49"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3048.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3404.0"},{"label":"split_canvas_h","value":"4804.0"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0019__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1511.0,544.4 1588.0,461.8 1489.5,351.4 1491.2,42.5 1046.0,5.9 818.2,50.7 787.2,693.1 880.0,794.7 814.6,857.0 885.6,916.6 913.0,1155.9 1237.9,1191.0 1565.7,1136.1 1563.0,849.0 1471.7,815.5 1511.0,544.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0019__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1188.0,618.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1758673,42.4810954]}},{"type":"Feature","properties":{"resourceCoords":[1188.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1744584,42.4813041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0020__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p20 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0020__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.0,76.0 145.1,169.1 74.4,573.4 207.4,943.9 73.4,1361.5 324.1,1389.4 461.1,1275.5 498.1,1243.5 671.6,1093.9 671.6,1093.9 686.2,1088.4 1312.5,1084.0 1319.0,1088.9 1320.6,1088.9 1320.6,1090.1 1393.0,1144.0 1359.2,1424.7 1483.6,1466.5 1479.0,1451.1 1446.6,1309.7 1399.1,935.9 1389.7,839.1 1384.6,206.1 1376.7,114.2 1371.8,53.6 104.0,76.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1394.0,423.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14874691738284,42.4692637675173]}},{"type":"Feature","properties":{"resourceCoords":[1394.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14909974867446,42.46985661611003]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"72.7,1370.2 79.1,1368.3 82.6,1367.3 44.4,1138.0 87.8,1038.9 63.6,696.3 119.6,586.4 76.9,449.1 137.9,436.2 127.5,297.3 286.3,169.1 1490.7,126.5 1392.0,352.1 1463.0,406.9 1574.6,874.8 1571.3,1189.6 1505.0,1287.1 1575.1,1578.7 1533.2,1837.1 555.2,1868.0 174.5,1780.6 218.1,1681.0 126.8,1546.2 62.1,1549.5 85.3,1496.5 32.5,1490.1 72.7,1370.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[393.0,1199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14680742266171,42.46719579426395]}},{"type":"Feature","properties":{"resourceCoords":[1360.0,1199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1458292200159,42.4655456805346]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0022__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p22 [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":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0022__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1046.4,206.9 1033.2,173.4 851.0,277.8 143.9,90.7 41.0,641.6 74.8,1036.7 172.7,1292.2 255.6,1299.0 258.8,1332.9 342.9,1380.5 977.3,1379.8 1146.7,1445.1 1174.7,1528.9 1406.3,1537.2 1407.0,1543.1 1409.0,1543.1 1408.8,1557.1 1421.8,1660.8 1504.5,1678.0 1511.3,1591.3 1516.1,1385.3 1524.8,731.2 1517.6,544.2 1506.5,402.8 1476.1,199.2 1462.2,135.1 1444.4,86.0 1361.2,121.3 1046.4,206.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0022__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[503.0,888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15842390404713,42.47914232342317]}},{"type":"Feature","properties":{"resourceCoords":[1369.0,111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15591971981651,42.47800674486057]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.9,1679.4 113.0,1806.1 248.3,1872.1 967.9,1823.0 988.4,1815.2 1503.1,1869.2 1584.4,1520.6 1612.0,1530.2 1612.0,560.0 1523.9,537.4 1578.0,317.4 1506.5,55.9 1351.5,82.8 1209.5,224.4 808.3,109.6 826.1,25.3 766.0,55.9 559.8,1.0 359.3,1.0 1.0,91.1 1.0,100.8 5.2,141.8 24.4,205.2 71.3,407.4 93.8,548.9 116.0,736.3 159.7,1394.8 171.4,1602.3 171.4,1690.1 86.9,1679.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[127.0,1413.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15896252131094,42.47712092403227]}},{"type":"Feature","properties":{"resourceCoords":[126.0,1019.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15799768974212,42.477273536722784]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0024__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p24 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"4376.0"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0024__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1301.4,1067.3 1517.3,1061.0 1575.7,983.8 1480.9,702.8 1525.8,110.9 1185.8,164.9 655.4,45.9 81.5,58.5 71.7,221.0 140.5,331.4 426.9,396.4 561.4,536.3 719.5,535.7 773.7,520.4 835.0,770.4 978.2,808.3 1090.5,809.0 1119.8,834.8 1137.7,850.5 1223.3,874.0 1301.4,1067.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0024__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":[-71.1514327398149,42.467184013186575]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.14976591331768,42.46442668815253]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1094.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15228327506105,42.463586844119604]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1094.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15395010155827,42.46634416915365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0024__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p24 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3228.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4424.0"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0024__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1495.9,1911.0 1559.1,1866.5 1552.4,1098.8 1252.8,1096.4 1211.8,931.4 1061.1,835.2 1065.0,808.9 761.0,807.0 761.0,875.2 761.0,914.9 761.0,915.0 99.5,909.7 13.2,1272.6 56.1,1905.3 219.8,1878.8 275.5,1575.8 275.6,1561.9 276.0,1514.8 276.2,1492.2 276.9,1419.0 276.9,1419.0 276.9,1418.5 305.5,1413.0 743.9,1415.3 744.2,1418.5 745.0,1418.5 745.0,1419.0 745.0,1427.8 786.8,1909.3 1495.9,1911.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0024__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[430.0,1165.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15760172057743,42.47388835181979]}},{"type":"Feature","properties":{"resourceCoords":[1216.0,1165.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15563556815364,42.47404128116552]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"222.4,1882.1 128.2,1790.4 122.7,1366.3 62.5,1339.2 46.6,1209.5 54.2,1057.9 61.9,1033.2 129.0,931.3 45.2,799.1 38.0,166.4 88.5,84.3 396.1,38.5 1549.5,49.7 1582.1,413.5 1492.4,514.6 1593.8,1239.0 1524.9,1714.9 1553.7,1863.2 222.4,1882.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[224.0,942.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.12366687944812,42.48097335414902]}},{"type":"Feature","properties":{"resourceCoords":[1247.0,942.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.12116138550151,42.480428867744926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0029__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p29 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.27"},{"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":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0029__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"712.9,1882.5 1546.3,1841.6 1598.7,1377.7 1590.2,535.4 1523.8,60.8 840.2,52.1 778.1,419.2 778.0,435.6 775.4,435.6 774.8,438.7 58.4,430.7 54.9,430.7 18.6,871.6 71.5,1839.9 712.9,1882.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0029__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[975.0,1040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1606242,42.5085648]}},{"type":"Feature","properties":{"resourceCoords":[52.0,632.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1633657,42.5086483]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p2 [2]","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":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1516.5,1879.3 1572.0,1573.5 1557.7,81.1 1181.0,23.8 849.7,38.5 722.0,127.3 36.3,45.2 46.7,1154.3 160.9,1211.8 768.1,1225.7 768.5,1231.9 771.0,1231.9 771.0,1271.8 807.8,1860.4 1516.5,1879.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[745.0,457.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15492228220431,42.49200444854753]}},{"type":"Feature","properties":{"resourceCoords":[976.0,1718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15333673737875,42.49000781854425]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1266.8,1889.3 100.0,1820.9 52.4,1507.0 102.1,1484.8 58.0,1406.8 107.8,1391.7 61.2,1142.1 110.6,1098.5 111.3,669.4 60.1,591.5 45.1,69.7 1238.8,16.1 1595.9,62.5 1544.7,238.7 1501.8,238.1 1496.3,541.6 1496.9,887.4 1519.7,1531.8 1551.0,1821.6 1266.8,1889.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[822.0,176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15191262686662,42.4866895519192]}},{"type":"Feature","properties":{"resourceCoords":[1474.0,1297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15480469931751,42.485491417910396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"37.5,1793.1 66.5,1853.5 174.4,1878.3 498.6,1821.5 567.0,1864.1 605.0,1845.9 1216.9,1888.3 1530.6,1787.1 1581.4,1552.8 1602.8,1551.7 1402.4,1130.3 1220.0,741.9 1053.3,379.4 1135.8,259.5 1287.7,25.5 1293.1,8.4 1293.6,1.0 823.8,1.0 730.2,29.1 587.9,103.2 565.0,63.6 344.4,1.0 340.6,1.0 322.0,59.1 235.8,38.3 165.4,209.4 122.3,204.2 83.9,508.0 47.0,854.9 1.0,1489.9 1.0,1797.7 37.5,1793.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1384.0,1112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15409292007062,42.482902969376866]}},{"type":"Feature","properties":{"resourceCoords":[60.0,211.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15212930732656,42.48552407980359]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"545.0,89.3 981.0,116.7 1386.0,145.3 1452.7,277.7 1587.1,527.8 1599.7,541.0 1612.0,548.9 1612.0,612.5 1605.8,637.1 1595.6,669.9 1549.7,944.5 1522.5,1069.4 1496.2,1154.7 1485.2,1186.7 1484.2,1186.3 1483.4,1186.0 1458.7,1236.3 1355.9,1356.4 1239.4,1453.0 1061.0,1581.0 1083.6,1609.1 1084.4,1610.1 1037.5,1597.6 763.8,1778.7 677.5,1817.7 547.3,1851.2 297.3,1835.0 256.1,1564.0 226.2,1396.8 150.2,933.0 132.0,934.3 35.0,135.6 70.8,61.9 545.0,89.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1353.0,759.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15153309029859,42.482677758076946]}},{"type":"Feature","properties":{"resourceCoords":[549.0,96.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1541172796047,42.48285945616173]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"439.4,1518.7 340.6,1492.9 179.2,1482.1 180.2,1436.0 12.9,1255.7 92.0,1157.5 43.4,1003.5 79.7,649.9 31.6,287.9 44.1,161.2 116.7,124.6 502.5,203.0 732.1,138.1 778.3,63.7 890.2,47.2 849.9,125.9 948.8,127.0 1056.0,43.6 1408.0,33.4 1536.6,165.2 1521.8,453.3 1547.6,475.4 1526.7,663.4 1481.3,659.6 1585.8,1440.2 1591.7,1508.8 1582.8,1602.3 1560.5,1675.8 1485.7,1874.8 1470.2,1912.0 1467.0,1912.0 1465.7,1912.0 1439.0,1899.6 1355.7,1869.8 1233.4,1837.4 963.6,1779.8 931.6,1768.3 907.6,1761.0 841.2,1763.1 439.4,1518.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[847.0,1751.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15127373067935,42.48326855800634]}},{"type":"Feature","properties":{"resourceCoords":[1494.0,670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14812118442218,42.48350177887889]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1544.4,1657.2 1404.8,1608.0 1053.6,1445.7 1022.8,1449.7 661.2,1750.8 502.4,1883.2 474.9,1906.0 345.0,1731.4 247.4,1617.6 126.8,1517.8 76.5,1494.1 90.3,1454.3 152.8,1250.8 170.6,1176.2 173.6,1082.2 163.5,1014.1 11.1,241.1 56.6,242.1 65.9,53.2 282.9,217.8 424.4,240.6 719.1,241.6 837.2,153.6 1118.4,215.3 1230.5,123.3 1493.0,146.8 1547.1,79.0 1519.2,242.6 1497.0,446.4 1499.2,528.9 1522.0,668.1 1531.7,826.8 1546.0,1217.2 1546.3,1456.9 1544.4,1657.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[87.0,516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1485939142065,42.48313596749961]}},{"type":"Feature","properties":{"resourceCoords":[1532.0,1674.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14904894228007,42.47971931124843]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"743.9,1842.8 1000.9,1784.7 1448.7,1676.3 1546.8,1673.7 1542.9,1654.0 1612.0,1637.7 1612.0,1599.3 1612.0,1580.3 1550.7,1380.7 1408.3,916.9 1211.9,963.8 1226.0,815.2 1299.4,432.2 1287.9,403.0 905.3,122.5 739.7,1.0 688.9,1.0 472.1,245.2 398.9,305.1 281.9,370.9 36.4,419.6 70.2,555.0 87.3,589.3 69.4,701.5 68.8,789.4 33.1,897.5 46.6,1152.0 53.9,1305.1 73.2,1516.9 73.3,1723.7 71.1,1765.9 463.9,1839.4 477.9,1868.2 529.2,1889.5 591.6,1879.9 743.9,1842.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[945.0,1626.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14908392569643,42.47840571363383]}},{"type":"Feature","properties":{"resourceCoords":[34.0,612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1520587390402,42.47961828494701]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Woburn, Massachusetts | 1910 | sanborn03896_005 p9 [2]","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":"2026-10-19T09:23:06Z","modified":"2026-10-19T09:23:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"902.8,1834.4 1264.1,1912.0 1498.4,1912.0 1569.4,1738.1 1552.1,1738.8 1577.1,1387.8 1574.2,1001.9 1524.2,1001.5 1530.5,789.7 1549.2,587.7 1576.3,384.0 1606.0,232.5 1360.9,162.2 1270.3,93.1 1187.4,63.8 1087.0,10.2 1049.0,15.2 909.9,3.0 636.8,24.5 467.9,42.4 1.0,84.7 1.0,103.7 70.3,147.8 113.8,555.6 298.9,617.1 255.9,695.4 485.6,736.0 541.7,1293.8 492.8,1759.6 482.5,1761.1 482.5,1781.5 482.5,1797.6 811.1,1834.9 902.8,1832.8 902.8,1834.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764wm:g038961910:03896_1910-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1566.0,1374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1538847799526,42.47744855192157]}},{"type":"Feature","properties":{"resourceCoords":[904.0,1752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15564491304804,42.477975273567864]}}]}}]}