{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07512_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bangor, Pennsylvania | 1904 | 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":"28"},{"label":"placed","value":"11"},{"label":"unplaced","value":"17"},{"label":"fit sources","value":"georef-snap 7, georef 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 24 panels"},{"label":"unplaced pages","value":"p10__1 (tier 3, 40.87073,-75.20630 +/-721m); p10__2 (tier 1, 40.87474,-75.21317 +/-100m); p10__3 (tier 3, 40.87073,-75.20630 +/-721m); p10__4 (tier 3, 40.87073,-75.20630 +/-721m); p10__5 (tier 1, 40.87463,-75.21476 +/-100m); p10__6 (tier 1, 40.87448,-75.21411 +/-100m); p10__7 (tier 1, 40.86921,-75.20672 +/-100m); p11__2 (tier 2, 40.87910,-75.18823 +/-100m); p11__3 (tier 2, 40.87910,-75.18823 +/-100m); p11__4 (tier 2, 40.87910,-75.18823 +/-100m); p12__2 (tier 2, 40.87899,-75.18603 +/-169m); p13__1 (tier 2, 40.87949,-75.18381 +/-100m); p2__1 (tier 2, 40.86892,-75.20758 +/-340m); p2__2 (tier 1, 40.86954,-75.20835 +/-257m); p6__1 (tier 1, 40.86116,-75.20155 +/-183m); p8__2 (tier 1, 40.86800,-75.20350 +/-100m); p9__2 (tier 2, 40.86170,-75.20418 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bangor, Pennsylvania | 1904 | sanborn07512_004 p11 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"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":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:48:04Z","modified":"2026-10-19T23:48:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1485.2,109.8 1397.8,57.0 1312.7,98.8 641.7,17.0 81.4,57.2 120.0,171.2 34.9,410.4 54.3,1092.7 507.8,1091.8 694.9,1383.1 793.6,1745.1 878.7,1769.2 1014.4,1733.0 1164.4,1369.4 1030.0,1056.5 1219.3,1056.5 1499.9,1048.3 1560.9,960.0 1580.8,538.2 1504.3,288.8 1485.2,109.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[650.0,774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.1901539,40.8780835]}},{"type":"Feature","properties":{"resourceCoords":[1248.0,774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.188695,40.8782059]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bangor, Pennsylvania | 1904 | sanborn07512_004 p12 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.84"},{"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":"2026-10-19T23:48:04Z","modified":"2026-10-19T23:48:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1605.4,126.8 1493.6,71.6 1502.4,24.4 1224.8,40.9 1173.3,27.6 1068.1,23.3 985.0,37.6 941.3,57.6 535.6,81.7 536.0,75.0 302.1,171.4 155.5,248.4 82.6,283.1 41.6,318.4 120.7,629.8 70.1,800.0 111.8,819.9 50.5,1135.8 54.8,1695.2 124.5,1784.8 320.9,1855.0 500.9,1838.2 752.3,1764.6 715.6,1762.4 762.5,1327.6 762.5,1312.5 764.1,1312.5 764.9,1305.3 1526.1,1274.6 1490.9,490.8 1605.4,126.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[536.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.1839127,40.8794899]}},{"type":"Feature","properties":{"resourceCoords":[1464.0,693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.185133,40.877647]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bangor, Pennsylvania | 1904 | sanborn07512_004 p13 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.38"},{"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":"2026-10-19T23:48:04Z","modified":"2026-10-19T23:48:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"262.4,1306.8 532.0,1317.0 528.7,1323.3 932.8,1480.0 984.1,1480.0 1071.0,1502.9 1171.2,1553.8 1215.2,1589.5 1491.7,1696.7 1462.3,1738.6 1546.2,1841.7 1591.6,1791.3 1554.9,1064.7 1603.2,481.9 1532.2,63.2 1305.8,15.1 534.8,79.3 293.6,40.4 67.1,229.9 37.3,1272.1 1.0,1296.2 1.0,1317.6 86.0,1316.4 262.4,1306.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1255.0,1525.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.183449,40.878234]}},{"type":"Feature","properties":{"resourceCoords":[532.0,1317.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.1839127,40.8794899]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bangor, Pennsylvania | 1904 | sanborn07512_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:48:04Z","modified":"2026-10-19T23:48:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"112.6,1567.5 94.7,1219.1 98.0,1006.6 118.5,1007.4 127.8,588.0 145.6,580.0 81.9,87.4 141.8,24.4 821.4,33.4 1115.9,190.3 1465.5,175.9 1512.2,341.0 1580.4,380.6 1585.6,935.2 1608.4,929.5 1556.4,1451.0 1578.3,1428.7 1504.4,1912.0 1397.3,1912.0 1334.7,1810.3 1307.1,1773.9 1255.7,1823.7 1201.2,1832.9 588.3,1829.3 131.2,1824.2 112.6,1567.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[577.0,1220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.20626705409047,40.86694384264247]}},{"type":"Feature","properties":{"resourceCoords":[597.0,1821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.20630922755392,40.865831213154244]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bangor, Pennsylvania | 1904 | sanborn07512_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:48:04Z","modified":"2026-10-19T23:48:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.5,1476.7 149.2,1180.0 140.3,1179.9 132.8,128.7 189.2,117.2 190.2,117.2 1123.3,165.4 1409.9,99.7 1445.3,61.4 1515.9,551.8 1498.3,560.0 1495.2,978.5 1474.7,978.0 1474.5,1190.0 1497.4,1537.2 1519.8,1792.9 604.6,1797.0 78.3,1795.0 50.8,1771.4 34.6,1477.8 34.5,1476.8 49.5,1476.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1070.0,1789.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.20854725230863,40.86594971163531]}},{"type":"Feature","properties":{"resourceCoords":[888.0,178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2086903821151,40.86895628517087]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bangor, Pennsylvania | 1904 | sanborn07512_004 p5","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:48:04Z","modified":"2026-10-19T23:48:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,551.1 1612.0,558.1 1555.2,557.8 1551.3,1614.7 1560.3,1614.8 1456.8,1912.0 1441.7,1912.0 1439.6,1865.0 569.0,1878.4 116.9,1798.3 32.6,1518.2 80.9,138.1 637.1,20.9 1407.6,43.5 1520.2,197.2 1579.8,544.8 1612.0,546.9 1612.0,551.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[944.0,31.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.211933,40.870199]}},{"type":"Feature","properties":{"resourceCoords":[1350.0,1611.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2111974,40.8672397]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bangor, Pennsylvania | 1904 | sanborn07512_004 p6 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"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":"2026-10-19T23:48:04Z","modified":"2026-10-19T23:48:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1506.8,1838.7 1521.3,1625.5 1539.3,1095.9 1550.9,561.2 1577.1,43.7 650.1,37.4 116.9,29.4 136.2,46.3 73.0,94.7 70.6,397.4 134.2,467.1 719.2,477.6 805.8,477.6 1104.7,477.6 1104.7,477.6 1109.5,484.6 1209.7,1002.0 1198.2,1844.1 1506.8,1838.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1100.0,559.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.20868211457606,40.864993781378956]}},{"type":"Feature","properties":{"resourceCoords":[637.0,559.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.20980119975425,40.86504902650745]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bangor, Pennsylvania | 1904 | sanborn07512_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T23:48:04Z","modified":"2026-10-19T23:48:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"184.8,1652.2 212.2,1112.8 233.3,568.2 268.9,41.4 739.5,53.1 1370.6,65.4 1426.8,56.7 1480.5,6.1 1508.3,44.0 1612.0,217.6 1612.0,417.4 1612.0,635.7 1586.3,792.1 1461.2,1705.7 1432.8,1912.0 1429.7,1868.3 166.2,1869.2 184.8,1652.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[216.0,583.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2076352520108,40.864910908693865]}},{"type":"Feature","properties":{"resourceCoords":[216.0,1121.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2076969540789,40.86394503991808]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bangor, Pennsylvania | 1904 | sanborn07512_004 p8 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"3312.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:48:04Z","modified":"2026-10-19T23:48:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"775.5,1571.6 749.3,1424.1 814.1,680.9 769.9,152.6 545.7,75.1 543.2,114.5 99.2,82.8 99.3,1.0 53.0,1.0 91.7,303.3 86.2,453.8 77.8,1330.3 72.9,1794.8 80.3,1832.1 337.0,1821.9 674.7,1703.8 680.8,1720.4 786.5,1575.2 775.5,1571.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0008__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":[-75.2044196288759,40.86529036729581]}},{"type":"Feature","properties":{"resourceCoords":[828.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.20239516743585,40.8650161213857]}},{"type":"Feature","properties":{"resourceCoords":[828.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.2032270819898,40.86145374163848]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.20525154342984,40.86172798754859]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0008__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bangor, Pennsylvania | 1904 | sanborn07512_004 p8 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.41"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3312.0"},{"label":"split_canvas_y","value":"1820.4"},{"label":"split_canvas_w","value":"3140.0"},{"label":"split_canvas_h","value":"5831.6"}],"created":"2026-10-19T23:48:04Z","modified":"2026-10-19T23:48:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0008__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"867.1,1541.2 828.0,1545.5 828.0,1622.9 828.0,1636.0 866.6,1705.3 866.1,1789.1 1313.9,1824.1 1316.5,1784.1 1542.4,1864.2 1541.2,1849.9 1578.2,1468.0 1511.0,1376.7 1612.0,939.8 1566.5,505.8 1062.6,482.6 863.5,556.9 868.6,1078.5 887.8,1054.0 867.1,1541.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0008__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1428.2,1311.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.20264898276899,40.865801245639496]}},{"type":"Feature","properties":{"resourceCoords":[1646.0,910.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.20195278486214,40.86646705295092]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bangor, Pennsylvania | 1904 | sanborn07512_004 p9 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T23:48:04Z","modified":"2026-10-19T23:48:04Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1027.0,1490.1 1027.0,1488.6 1082.8,1488.0 1289.1,1480.5 1320.9,1485.7 1321.0,1485.7 1321.0,1485.7 1321.0,1485.7 1321.0,1706.7 1343.6,1867.3 1544.0,1882.8 1585.4,1664.8 1517.0,1034.4 1569.4,442.0 1552.8,212.9 1431.8,113.0 1276.7,214.8 1276.9,196.5 908.5,186.8 657.9,102.2 664.5,63.4 666.1,44.4 332.2,18.5 164.8,107.1 155.4,37.6 61.3,57.3 35.0,1106.5 128.3,1764.2 519.7,1883.8 799.6,1876.8 938.4,1820.3 1023.7,1490.2 1027.0,1490.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075121904:07512_1904-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1265.0,781.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.20327595455107,40.860842768007316]}},{"type":"Feature","properties":{"resourceCoords":[796.0,781.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.20438697166762,40.86068299475153]}}]}}]}