{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03860_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Stoneham, Massachusetts | 1897 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"16"},{"label":"placed","value":"10"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef-snap 8, georef 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p2__3 (tier 1, 42.47849,-71.10912 +/-100m); p2__4 (tier 1, 42.48733,-71.09744 +/-102m); p2__5 (tier 1, 42.48641,-71.10028 +/-100m); p6__2 (tier 1, 42.48302,-71.09281 +/-100m); p8__1 (tier 1, 42.47541,-71.10222 +/-117m); p8__3 (tier 1, 42.47610,-71.10147 +/-147m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Stoneham, Massachusetts | 1897 | sanborn03860_003 p2 [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":"3977.6"}],"created":"2026-10-20T04:16:10Z","modified":"2026-10-20T04:16:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"477.0,964.3 1139.6,926.2 1501.5,810.6 1514.4,501.3 1588.2,401.9 1529.5,76.8 1436.8,31.9 1320.2,109.0 766.0,120.2 314.0,54.3 146.8,144.8 54.9,445.4 39.7,893.5 70.9,916.8 477.0,964.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[967.0,245.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0986035281416,42.48697502735219]}},{"type":"Feature","properties":{"resourceCoords":[368.0,340.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.10012183208181,42.48677608369274]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Stoneham, Massachusetts | 1897 | sanborn03860_003 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3927.2"},{"label":"split_canvas_w","value":"4316.0"},{"label":"split_canvas_h","value":"2165.2"}],"created":"2026-10-20T04:16:10Z","modified":"2026-10-20T04:16:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"420.8,1500.0 656.4,1417.5 737.2,1508.2 1000.6,1509.7 1045.0,1017.3 800.8,1064.1 336.8,1008.3 275.9,1094.0 238.3,1013.9 89.8,1005.9 20.0,1167.7 37.7,1479.0 420.8,1500.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1004.0,1314.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.09268390487239,42.48849189807421]}},{"type":"Feature","properties":{"resourceCoords":[21.0,1314.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.09493102751154,42.48777801029199]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Stoneham, Massachusetts | 1897 | sanborn03860_003 p3 [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":"2026-10-20T04:16:10Z","modified":"2026-10-20T04:16:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"786.8,1830.0 1290.9,1900.8 1292.3,1890.9 1530.0,1912.0 1534.2,1912.0 1592.8,1285.7 1506.9,707.4 825.7,629.2 820.0,629.3 820.0,615.2 751.7,37.5 79.8,40.6 52.3,585.3 1.0,575.0 1.0,615.8 231.6,651.9 287.1,656.6 246.0,1041.9 208.6,1466.0 177.1,1742.5 786.8,1830.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[264.0,864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.10020008936533,42.482775152245196]}},{"type":"Feature","properties":{"resourceCoords":[1252.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0974598609829,42.481087541853064]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Stoneham, Massachusetts | 1897 | sanborn03860_003 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3280.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3172.0"},{"label":"split_canvas_h","value":"2517.2"}],"created":"2026-10-20T04:16:10Z","modified":"2026-10-20T04:16:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"844.1,134.4 820.0,142.0 889.8,215.9 852.1,628.3 855.4,628.3 1523.5,604.3 1584.7,441.0 1549.2,274.9 1591.4,17.5 1262.2,8.9 973.2,27.9 844.1,134.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[948.0,19.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.09596666207739,42.48049964440297]}},{"type":"Feature","properties":{"resourceCoords":[1651.0,19.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.09575112382942,42.4817792951478]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Stoneham, Massachusetts | 1897 | sanborn03860_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T04:16:10Z","modified":"2026-10-20T04:16:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"212.5,1899.0 180.5,1901.5 177.2,1836.3 53.1,1785.4 64.3,40.6 1129.6,88.6 1135.8,128.4 1366.2,128.5 1420.9,124.7 1439.3,505.2 1467.1,923.0 1478.3,1196.3 1485.2,1415.3 1493.5,1795.4 885.7,1745.5 223.9,1722.5 223.9,1728.2 212.5,1899.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[160.0,1279.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.10357303100066,42.48110569941705]}},{"type":"Feature","properties":{"resourceCoords":[1449.0,298.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.10014689257481,42.48283308593325]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Stoneham, Massachusetts | 1897 | sanborn03860_003 p5","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T04:16:10Z","modified":"2026-10-20T04:16:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"401.1,173.6 358.7,261.4 56.1,907.2 1.0,1021.2 1.0,1112.2 107.2,1155.5 207.5,1168.7 149.9,1878.2 195.2,1872.6 200.6,1793.8 815.0,1744.3 1032.2,1854.0 1140.5,1831.8 1276.0,1741.5 1495.0,1743.4 1473.5,1421.8 1554.4,1419.2 1545.5,1180.1 1535.7,1180.0 1542.5,678.3 1552.5,71.4 1333.0,72.0 951.9,69.5 642.6,79.0 455.2,89.2 401.1,173.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1236.0,1740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0959429,42.4804683]}},{"type":"Feature","properties":{"resourceCoords":[1333.0,72.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1002,42.4807212]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Stoneham, Massachusetts | 1897 | sanborn03860_003 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T04:16:10Z","modified":"2026-10-20T04:16:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1049.1,1877.1 1339.4,1912.0 1481.8,1912.0 1482.0,1896.1 1485.7,1546.2 1488.5,972.9 1492.3,690.9 1504.7,534.8 1489.8,526.5 1467.6,338.9 1438.4,29.0 845.2,1.0 156.2,1.0 156.5,5.7 150.9,178.2 118.8,181.9 120.5,202.3 43.1,815.9 116.5,997.5 217.6,996.0 245.2,1065.9 289.9,1080.0 345.0,1080.0 371.5,1105.7 357.6,1533.2 345.0,1572.0 300.6,1572.0 139.1,1682.0 127.5,1798.6 931.7,1882.3 931.3,1868.6 1049.1,1877.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[147.0,154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.10352417251366,42.479976510441325]}},{"type":"Feature","properties":{"resourceCoords":[856.0,260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.10175243775764,42.47966502994477]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Stoneham, Massachusetts | 1897 | sanborn03860_003 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T04:16:10Z","modified":"2026-10-20T04:16:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"133.8,86.9 153.9,1065.3 173.4,1856.6 260.3,1870.5 261.8,1885.3 1181.2,1884.3 1477.9,1803.3 1434.0,1091.0 1332.5,1092.2 1220.0,1064.0 1207.4,976.3 1246.5,853.0 1454.8,169.2 1484.4,76.0 1518.5,1.0 1347.8,1.0 1082.5,18.5 512.8,60.9 165.0,84.8 133.8,86.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1016.0,1609.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.09633343395663,42.47761851832126]}},{"type":"Feature","properties":{"resourceCoords":[164.0,1852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.09607872887604,42.475962974969384]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Stoneham, Massachusetts | 1897 | sanborn03860_003 p8 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2894.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3557.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T04:16:10Z","modified":"2026-10-20T04:16:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1604.5,1694.9 1419.5,1376.7 1362.3,1386.2 1448.3,215.1 1449.7,199.8 1309.5,188.7 1026.5,131.8 911.3,114.3 910.7,127.8 979.5,140.6 926.0,638.9 787.3,1137.8 863.4,1855.8 1296.7,1810.1 1517.4,1858.4 1604.5,1694.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1402.2,971.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.10066311360005,42.475018745675754]}},{"type":"Feature","properties":{"resourceCoords":[1026.5,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.10161514240114,42.47659567899817]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Stoneham, Massachusetts | 1897 | sanborn03860_003 p9","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T04:16:10Z","modified":"2026-10-20T04:16:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"362.1,201.5 345.2,144.8 1541.1,81.3 1530.2,1071.1 1524.6,1871.7 1612.0,1888.5 1612.0,1895.0 1596.0,1896.0 1596.0,1903.0 50.9,1855.9 72.5,432.8 64.0,429.6 362.1,201.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764sm:g038601897:03860_1897-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[350.0,1062.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0984796,42.4740143]}},{"type":"Feature","properties":{"resourceCoords":[1189.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1006023,42.4757981]}}]}}]}