{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03750_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Holliston, Massachusetts | 1919 | 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":"11"},{"label":"placed","value":"7"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef-snap 4, georef 2, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 3, 42.21003,-71.41774 +/-781m); p6__2 (tier 1, 42.19941,-71.42497 +/-129m); p7__1 (tier 1, 42.19596,-71.42930 +/-100m); p8__2 (tier 1, 42.21324,-71.42384 +/-110m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holliston, Massachusetts | 1919 | sanborn03750_005 p2","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:31:41Z","modified":"2026-10-19T14:31:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"126.7,152.1 305.5,129.7 364.4,80.3 484.3,107.3 522.5,156.0 645.0,161.3 715.7,215.7 898.1,193.1 931.6,137.7 1290.2,114.5 1306.5,77.8 1367.2,67.9 1394.5,113.4 1335.2,155.6 1351.4,356.3 1381.7,390.9 1481.2,443.9 1486.6,566.0 1573.7,583.7 1574.0,1072.7 1506.0,1079.4 1508.2,1129.6 1412.4,1238.2 1391.7,1339.8 1398.3,1487.0 1464.0,1588.3 1476.9,1796.3 1343.4,1787.9 1291.6,1754.2 1076.4,1767.5 1061.5,1836.5 868.2,1776.8 753.4,1781.9 719.2,1823.0 567.0,1797.4 227.4,1841.3 224.1,1875.8 208.4,1696.2 214.7,1696.8 219.9,1471.8 220.9,1361.6 219.6,1243.3 207.9,1244.7 212.8,583.0 191.6,579.1 127.4,428.1 147.9,401.4 81.5,330.3 126.7,152.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[757.0,1355.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.42519,42.203304]}},{"type":"Feature","properties":{"resourceCoords":[218.0,1559.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.424279,42.201248]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holliston, Massachusetts | 1919 | sanborn03750_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:31:41Z","modified":"2026-10-19T14:31:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"865.0,1819.5 917.1,1832.8 953.4,1912.0 1042.1,1912.0 1168.7,1855.0 1341.6,1792.8 1564.0,1711.7 1262.8,433.2 1220.0,435.6 1025.4,174.5 1052.4,113.3 890.8,7.4 890.5,37.1 393.0,63.2 372.8,1.0 312.8,1.0 110.5,424.4 157.2,429.9 76.2,1613.2 270.0,1668.0 516.2,1730.5 865.0,1819.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[101.0,1620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.42714237209664,42.198654426412126]}},{"type":"Feature","properties":{"resourceCoords":[302.0,455.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.42985468120918,42.19963570870127]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holliston, Massachusetts | 1919 | sanborn03750_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:31:41Z","modified":"2026-10-19T14:31:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.5,1453.0 60.3,1851.7 274.4,1866.7 497.1,1751.7 824.7,1689.9 949.9,1842.2 1091.5,1892.5 1495.2,1861.8 1574.7,1824.5 1588.3,1685.8 1535.4,1292.3 1422.9,947.9 1435.5,946.2 1343.3,503.4 1295.0,287.3 1238.6,56.5 990.3,144.2 814.6,205.4 685.9,261.8 596.1,260.9 560.2,180.3 507.6,166.3 220.6,90.0 158.0,335.6 180.2,341.7 126.3,538.1 117.7,655.6 121.5,818.2 1.0,1410.4 1.0,1438.7 38.5,1453.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[135.0,795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.42483466254825,42.198948879806494]}},{"type":"Feature","properties":{"resourceCoords":[1261.0,80.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.42580452977315,42.20133545084506]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holliston, Massachusetts | 1919 | sanborn03750_005 p5","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T14:31:41Z","modified":"2026-10-19T14:31:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"602.0,131.7 814.5,193.9 1037.7,86.7 1368.9,30.1 1483.2,61.1 1563.7,205.3 1504.4,216.9 1384.8,681.8 1432.7,678.1 1584.2,1879.0 650.7,1875.7 358.9,1864.5 59.2,1854.6 47.5,1683.3 58.9,1685.5 59.8,1437.9 108.0,1431.0 141.2,554.8 243.3,571.9 572.5,58.1 602.0,131.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1501.0,1220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.4287369,42.1990372]}},{"type":"Feature","properties":{"resourceCoords":[108.0,1431.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.429869,42.1965642]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holliston, Massachusetts | 1919 | sanborn03750_005 p6 [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":"2026-10-19T14:31:41Z","modified":"2026-10-19T14:31:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.2,1863.3 447.2,1794.3 512.6,1562.8 573.4,1538.4 573.9,1538.3 722.4,1502.3 815.7,1393.2 1444.5,1268.8 1382.2,1157.5 1486.7,1082.8 1489.7,943.0 1337.7,540.8 1403.7,252.1 1357.9,155.9 1458.9,75.0 1450.9,51.8 1428.9,57.1 831.1,78.7 676.7,119.8 562.5,138.6 362.8,132.4 362.0,155.0 113.2,151.8 111.7,217.9 106.1,470.3 96.3,670.3 122.9,1579.0 121.2,1863.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[545.0,154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.42552323813761,42.19905354319739]}},{"type":"Feature","properties":{"resourceCoords":[1029.0,549.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.42493356116046,42.1979477090411]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holliston, Massachusetts | 1919 | sanborn03750_005 p7 [2]","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":"2026-10-19T14:31:41Z","modified":"2026-10-19T14:31:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1510.0,1912.0 1522.0,1912.0 1453.9,1671.4 1498.8,1651.3 1286.7,791.6 1390.5,779.8 1566.7,189.4 1475.4,71.9 774.6,36.4 517.3,127.9 257.6,120.6 35.7,431.4 42.8,1284.2 427.1,1295.0 450.9,1191.7 544.4,1194.4 733.1,1319.3 817.5,1462.0 743.4,1875.8 1487.5,1850.1 1510.0,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1080.0,1825.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.43026875541702,42.19578645858095]}},{"type":"Feature","properties":{"resourceCoords":[974.0,794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.43230591525146,42.19694490593792]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Holliston, Massachusetts | 1919 | sanborn03750_005 p8 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.12"},{"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":"2026-10-19T14:31:41Z","modified":"2026-10-19T14:31:41Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.5,1663.3 364.3,1803.0 790.9,1878.0 1511.6,1833.0 1475.5,1781.7 1585.4,1654.3 1584.8,724.7 1509.0,568.5 1540.2,474.1 1448.1,394.8 1488.7,126.8 1441.5,146.7 1266.2,36.0 952.3,27.9 766.2,69.3 584.1,245.6 222.7,176.3 66.1,253.3 47.6,681.7 660.1,1018.0 717.5,1218.9 652.0,1515.8 649.0,1515.8 649.0,1516.8 508.0,1516.8 117.4,1519.4 46.0,1579.0 73.5,1663.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764hm:g037501919:03750_1919-0008__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":[-71.42506162803954,42.21401850213099]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.42255306365662,42.21184848038115]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.42600340387284,42.20962932034091]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.42851196825576,42.21179934209075]}}]}}]}