{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03817_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Oak Bluffs, Massachusetts | 1914 | 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":"18"},{"label":"placed","value":"11"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef-snap 7, georef 3, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p10__1 (tier 1, 41.46202,-70.56813 +/-186m); p11__3 (tier 4, 41.45582,-70.56112 +/-1576m); p1__1 (tier 4, 41.45582,-70.56112 +/-1576m); p3__2 (tier 1, 41.46227,-70.56454 +/-105m); p4__1 (tier 4, 41.45582,-70.56112 +/-1576m); p4__3 (tier 4, 41.45582,-70.56112 +/-1576m); p6__2 (tier 1, 41.45096,-70.56101 +/-168m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oak Bluffs, Massachusetts | 1914 | sanborn03817_002 p10 [2]","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"30"},{"label":"confidence","value":"0.81"},{"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":"7038.8"}],"created":"2026-10-19T12:46:43Z","modified":"2026-10-19T12:46:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"276.9,1185.8 266.1,1195.8 279.9,1256.1 329.8,1529.1 331.1,1549.5 369.7,1525.0 364.7,1473.3 695.6,1309.7 1368.0,818.0 1307.2,585.2 1323.0,547.5 1521.9,461.6 1612.0,386.9 1612.0,377.6 1576.0,403.5 1446.0,480.8 1247.3,587.8 1186.6,616.0 1144.7,629.5 1133.0,610.6 1122.1,505.6 1121.9,377.6 1114.5,310.5 1090.5,182.6 842.5,123.7 566.2,48.0 546.9,177.3 523.4,241.5 460.3,244.2 482.0,273.2 499.0,286.3 467.8,339.0 410.2,425.1 379.1,478.8 344.0,553.0 323.6,603.2 306.9,653.4 288.0,736.6 276.9,1185.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[520.0,984.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.5608082,41.4515814]}},{"type":"Feature","properties":{"resourceCoords":[705.0,214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.558492,41.453981]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oak Bluffs, Massachusetts | 1914 | sanborn03817_002 p11 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.16"},{"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":"3748.0"}],"created":"2026-10-19T12:46:43Z","modified":"2026-10-19T12:46:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"249.6,151.8 72.8,254.4 64.3,656.6 840.1,700.0 853.3,700.0 853.3,700.7 873.5,701.9 935.4,899.2 1414.6,930.6 1501.9,870.9 1459.8,595.5 1552.8,236.7 1416.6,117.9 1314.1,142.0 1138.1,32.0 731.5,80.0 680.1,152.0 249.6,151.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0011__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":[-70.57907483247833,41.462667322645686]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.57691835911744,41.46504412424356]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,937.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.57508886075455,41.46409872456524]}},{"type":"Feature","properties":{"resourceCoords":[0.0,937.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.57724533411543,41.461721922967364]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oak Bluffs, Massachusetts | 1914 | sanborn03817_002 p11 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2800.0"},{"label":"split_canvas_w","value":"3413.2"},{"label":"split_canvas_h","value":"4852.0"}],"created":"2026-10-19T12:46:43Z","modified":"2026-10-19T12:46:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.4,1841.2 839.3,1833.1 837.0,882.7 720.2,753.8 242.7,732.5 59.3,895.2 106.4,1841.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[700.2,1141.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.5532237,41.4507515]}},{"type":"Feature","properties":{"resourceCoords":[700.2,786.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.5533235,41.4510792]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oak Bluffs, Massachusetts | 1914 | sanborn03817_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:46:43Z","modified":"2026-10-19T12:46:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,617.8 1612.0,665.4 1612.0,714.9 1544.0,839.2 1529.5,896.9 1424.5,1257.1 1370.4,1428.9 1292.2,1659.0 1367.6,1658.3 1538.0,1830.1 1414.0,1880.7 631.6,1857.1 568.0,1786.9 422.3,1769.0 466.1,1652.8 367.9,1355.0 249.3,1304.3 132.5,1345.9 123.9,1147.7 61.2,1123.6 63.2,1014.3 75.2,925.7 64.9,924.7 81.2,48.5 1397.7,29.1 1474.2,48.3 1496.7,133.2 1570.1,97.8 1523.4,569.0 1612.0,617.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[107.0,349.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.5662849762132,41.45791907218623]}},{"type":"Feature","properties":{"resourceCoords":[1416.0,1268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.56306470804957,41.45963094635573]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oak Bluffs, Massachusetts | 1914 | sanborn03817_002 p3 [1]","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":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T12:46:43Z","modified":"2026-10-19T12:46:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"160.6,672.7 183.1,769.9 143.8,910.0 142.6,971.0 120.6,1355.7 106.2,1540.1 81.1,1788.4 156.4,1770.3 366.5,1902.8 388.9,1887.0 1311.2,1884.2 1535.0,1803.4 1569.7,1621.2 1511.5,1516.3 846.0,1559.4 712.8,1253.6 821.1,1131.1 1355.9,869.4 1283.3,755.8 1455.1,148.5 1329.8,77.5 867.6,132.9 628.5,36.9 317.2,22.6 97.9,82.7 1.0,160.3 1.0,169.1 60.7,644.4 160.6,672.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[144.0,1328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.56310890669572,41.459714830372654]}},{"type":"Feature","properties":{"resourceCoords":[1299.0,632.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.56302389749247,41.46214335209343]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oak Bluffs, Massachusetts | 1914 | sanborn03817_002 p4 [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":"2057.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4394.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T12:46:43Z","modified":"2026-10-19T12:46:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"551.5,1499.4 684.6,1565.2 797.1,1564.9 980.4,1636.2 1199.4,1761.3 1430.3,1882.2 1541.7,1601.6 1476.4,1183.5 1579.6,764.3 1495.5,439.0 679.2,469.6 562.4,821.2 551.5,1499.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[828.2,867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.55818412568854,41.458751807652924]}},{"type":"Feature","properties":{"resourceCoords":[1326.1,758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.5569930542627,41.459066315466586]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oak Bluffs, Massachusetts | 1914 | sanborn03817_002 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:46:43Z","modified":"2026-10-19T12:46:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"61.2,1330.0 53.1,654.0 136.9,379.6 97.9,271.7 305.2,212.0 845.1,207.4 1044.4,126.2 1191.0,124.5 1289.9,73.9 1483.2,54.6 1491.1,201.3 1497.8,667.5 1499.0,1141.5 1497.7,1398.3 1491.5,1531.6 1442.0,1786.6 1389.7,1912.0 1337.9,1912.0 1264.3,1912.0 1235.7,1870.1 1175.8,1803.0 1177.2,1799.7 824.1,1567.4 664.7,1623.6 576.8,1663.3 513.5,1708.5 479.3,1765.2 443.6,1846.4 302.7,1809.3 254.7,1812.0 246.4,1771.1 182.3,1581.0 122.3,1375.4 97.0,1357.7 2.1,1398.9 61.2,1330.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[259.0,1255.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.56148867072686,41.456029515268725]}},{"type":"Feature","properties":{"resourceCoords":[1295.0,1495.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.55924889007179,41.45494240895558]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oak Bluffs, Massachusetts | 1914 | sanborn03817_002 p6 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.91"},{"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":"2026-10-19T12:46:43Z","modified":"2026-10-19T12:46:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"91.0,1582.8 636.2,1755.6 1126.3,1892.5 1170.0,1651.0 1180.6,1432.7 1224.0,1382.1 1274.9,1354.1 1345.6,1332.5 1484.5,1267.8 1460.5,1260.2 1435.3,1252.2 1200.5,1319.8 1117.0,1196.9 892.8,1171.6 677.5,1066.2 584.8,111.2 326.1,109.3 76.0,98.4 84.7,245.7 93.4,714.2 96.8,1190.7 96.7,1448.8 91.0,1582.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[428.0,1688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.558117,41.45435]}},{"type":"Feature","properties":{"resourceCoords":[1170.0,1651.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.556346,41.453937]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oak Bluffs, Massachusetts | 1914 | sanborn03817_002 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:46:43Z","modified":"2026-10-19T12:46:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1272.5,614.5 1463.8,720.6 1490.0,781.9 1492.7,840.0 1480.8,913.1 1477.3,1066.3 1513.1,1029.1 1502.6,1087.4 1542.4,1461.7 1258.6,1808.7 970.4,1857.7 137.5,1776.0 124.9,1622.3 236.3,1597.9 263.4,1412.2 219.8,1191.9 235.7,1198.2 224.5,1110.5 212.7,808.5 214.1,357.5 222.4,224.1 238.6,137.6 282.9,135.2 477.6,215.9 702.6,337.7 827.6,388.6 1075.2,468.4 1272.5,614.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[469.0,972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.55524619349866,41.4525140538509]}},{"type":"Feature","properties":{"resourceCoords":[226.0,972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.5551817873085,41.452062260678034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oak Bluffs, Massachusetts | 1914 | sanborn03817_002 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:46:43Z","modified":"2026-10-19T12:46:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1532.6,1554.8 1448.8,1593.0 1452.0,1551.9 1427.8,994.2 1417.1,870.2 1441.5,853.4 1580.9,1.0 1575.8,1.0 1513.5,208.0 1508.8,223.3 1139.0,117.4 1138.2,102.3 924.0,101.5 923.8,95.4 762.4,101.0 765.5,119.5 465.9,57.7 129.2,126.3 37.9,382.5 42.0,1559.3 158.7,1836.7 335.2,1881.1 1459.2,1875.7 1523.5,1776.5 1532.6,1554.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[947.0,1334.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.56379427382176,41.45059851109961]}},{"type":"Feature","properties":{"resourceCoords":[874.0,778.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.5636246491084,41.451632223488296]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oak Bluffs, Massachusetts | 1914 | sanborn03817_002 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:46:43Z","modified":"2026-10-19T12:46:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"227.3,1785.7 57.2,1169.2 100.2,282.3 186.9,154.9 275.2,104.2 301.9,118.8 382.9,313.4 466.3,492.4 478.8,531.5 525.5,523.6 667.4,544.5 693.5,461.2 720.7,402.1 777.8,351.0 859.4,302.6 1009.1,230.2 1379.8,419.0 1378.8,422.3 1444.7,481.5 1523.4,572.9 1558.2,596.3 1504.3,703.1 1403.2,878.6 1349.6,987.5 1290.9,1136.8 1257.6,1237.5 1231.8,1337.5 1205.7,1502.3 1183.9,1751.6 1182.5,1767.2 809.6,1739.5 805.9,1725.3 601.9,1766.9 600.5,1761.1 448.1,1798.4 454.7,1815.4 157.4,1815.8 227.3,1785.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764om:g038171914:03817_1914-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[238.0,821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.56285149480593,41.45475434880381]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.56018400097112,41.45383086988107]}}]}}]}