{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07549_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bristol, Pennsylvania | 1915 | 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":"23"},{"label":"placed","value":"16"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef-snap 9, georef 7"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p13__2 (tier 1, 40.10114,-74.84370 +/-115m); p14__1 (tier 1, 40.10462,-74.85725 +/-100m); p14__4 (tier 1, 40.09671,-74.86705 +/-100m); p15__1 (tier 1, 40.10146,-74.84763 +/-100m); p15__2 (tier 1, 40.10169,-74.84741 +/-102m); p15__4 (tier 1, 40.10249,-74.84741 +/-100m); p8__2 (tier 1, 40.10299,-74.84901 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p10 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"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":"2704.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4947.2"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"85.4,720.4 74.5,1048.0 67.0,1472.8 61.7,1661.8 60.3,1770.1 523.6,1777.5 522.2,1825.5 698.4,1829.8 1133.1,1833.5 1134.0,1796.0 1536.9,1801.2 1539.6,1585.3 1590.5,1403.3 1547.9,849.6 1057.3,692.9 701.9,701.9 187.1,824.6 85.4,720.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1134.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.850339,40.103395]}},{"type":"Feature","properties":{"resourceCoords":[70.0,1266.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.853251,40.103045]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p10 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.57"},{"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":"2704.8"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1163.9,35.6 1072.8,36.2 1.0,661.5 1.0,675.2 1289.1,675.2 1286.7,612.6 1278.3,610.3 1276.9,531.5 1409.4,342.0 1612.0,58.0 1612.0,53.2 1612.0,41.3 1568.2,29.4 1204.6,35.2 1163.9,35.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1231.0,597.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.8559437,40.1007701]}},{"type":"Feature","properties":{"resourceCoords":[1622.0,44.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.855856,40.101944]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.5,232.8 538.4,228.7 538.2,277.8 718.3,277.7 1162.9,270.4 1162.8,232.1 1574.9,227.1 1583.6,926.2 1612.0,927.5 1563.4,941.6 1560.6,1114.0 1559.5,1835.0 1162.3,1838.4 523.0,1848.3 66.3,1850.6 67.0,1490.2 64.1,969.4 65.6,321.6 64.5,232.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[880.0,242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.85089425711696,40.10308647569677]}},{"type":"Feature","properties":{"resourceCoords":[540.0,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.84939846999093,40.100260971235635]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1406.6,1893.0 1510.8,1779.4 1535.1,1579.6 1559.0,938.0 1475.2,352.6 1513.5,145.1 1183.4,247.9 876.0,115.3 140.7,1.0 103.0,1.0 103.4,29.2 99.8,812.0 100.2,1202.1 105.2,1829.9 979.0,1847.2 1406.6,1893.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[590.0,1212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.84749969590328,40.10015013927377]}},{"type":"Feature","properties":{"resourceCoords":[974.0,137.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.84477385126877,40.10069920140894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p13 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.57"},{"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":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"45.0,1299.3 86.0,1323.5 60.5,1459.9 254.9,1497.1 247.4,1538.1 321.5,1549.7 547.8,1835.6 608.1,1912.0 762.5,1912.0 924.9,1823.0 924.7,1843.9 801.6,1912.0 845.5,1912.0 1441.8,1571.6 1505.0,1571.7 1563.2,1571.3 1562.6,1428.2 1572.2,1428.0 1591.2,1191.2 1587.4,1191.3 1555.7,994.5 1490.4,991.9 1480.7,605.8 1612.0,602.0 1612.0,576.2 1602.0,576.2 1540.3,541.3 1487.0,105.1 1385.0,71.0 1292.6,105.0 973.1,100.1 975.2,353.3 922.5,620.5 922.5,623.0 922.0,623.0 921.8,624.2 595.1,623.6 401.9,677.2 335.3,656.9 110.4,676.9 53.6,883.8 73.5,1254.5 45.0,1299.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1230.0,880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.8595275,40.1031493]}},{"type":"Feature","properties":{"resourceCoords":[1230.0,497.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.8605021,40.1043184]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p14 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.57"},{"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":"3370.0"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0014__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"907.1,837.0 907.6,837.0 1505.6,841.1 1574.5,787.4 1557.5,575.8 1581.3,433.1 1555.9,254.4 1505.9,166.6 1448.7,129.7 1465.2,97.6 1423.7,49.4 1147.0,28.5 1068.3,84.4 1006.0,180.8 940.4,176.8 869.4,220.6 868.2,347.9 795.5,480.3 614.6,482.9 541.5,444.1 212.1,442.1 211.0,466.9 84.7,469.9 91.7,841.5 115.7,841.5 225.7,841.5 736.1,821.2 732.7,825.7 907.1,835.5 907.1,837.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[940.0,562.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.855443,40.105929]}},{"type":"Feature","properties":{"resourceCoords":[539.0,798.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.85647,40.104364]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0014__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p14 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.40"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3370.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4282.0"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0014__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1421.8,842.5 1420.8,872.2 1168.6,944.2 911.0,947.0 783.6,1077.0 257.1,1078.2 241.5,1196.8 71.9,1325.4 73.2,1847.8 191.2,1882.6 342.1,1853.2 1243.2,1910.8 1517.8,1858.7 1551.1,1783.0 1575.0,1783.9 1516.1,1718.2 1468.4,1598.9 1530.2,1598.4 1528.3,1538.3 1527.2,1170.1 1524.0,996.3 1519.8,976.8 1470.9,842.5 1421.8,842.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0014__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[825.0,1599.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.86581013617936,40.0968338868451]}},{"type":"Feature","properties":{"resourceCoords":[1061.0,1599.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.8647270702289,40.09686218047616]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0015__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p15 [3]","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":"2662.0"},{"label":"split_canvas_y","value":"3798.8"},{"label":"split_canvas_w","value":"3790.0"},{"label":"split_canvas_h","value":"3853.2"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0015__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"686.6,1803.2 700.6,1850.8 870.0,1852.8 1578.3,1850.6 1572.4,1067.6 1571.5,1033.5 1068.3,961.5 1036.5,1137.8 1018.5,1149.7 1018.5,1150.0 922.1,1150.0 814.5,1161.5 707.5,1296.1 686.6,1803.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0015__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[706.5,1582.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.84801244508184,40.102991374407154]}},{"type":"Feature","properties":{"resourceCoords":[1550.0,1170.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.84601113151707,40.102098168186004]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"937.0,1895.8 1086.3,1804.7 1261.5,1861.6 1276.0,1752.7 1318.1,1651.7 1364.1,1601.2 1402.9,1156.3 1417.2,1152.1 1432.4,1149.6 1434.6,1149.2 1471.1,1147.4 1418.6,1.0 1317.5,1.0 1278.2,81.5 383.8,275.9 298.9,397.3 232.6,348.4 1.0,656.6 1.0,659.1 24.9,687.9 213.2,963.0 603.2,1551.6 669.6,1646.0 571.1,1711.8 773.3,1852.7 937.0,1895.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[17.0,652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.86266821165249,40.09909870800299]}},{"type":"Feature","properties":{"resourceCoords":[651.0,1642.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.86260713469198,40.0969449385367]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"203.0,1842.8 410.0,1885.8 1163.2,1833.3 1452.7,1865.5 1558.1,1819.4 1567.2,1671.3 1612.0,1643.7 1554.5,1558.9 1336.8,1530.3 1346.7,1340.6 1342.0,1116.1 1418.0,746.2 1512.8,316.8 1564.0,57.0 1162.0,41.0 1072.5,11.8 999.3,1.0 146.8,1.0 326.5,1148.0 292.2,1153.5 276.1,1158.0 263.1,1163.4 272.7,1586.8 234.6,1639.1 205.3,1738.7 203.0,1842.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[974.0,740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.858388,40.096795]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,57.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.8561535,40.0971429]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1575.4,851.4 1529.5,1807.2 1345.8,1879.2 1027.5,1855.3 851.1,1756.1 700.8,1781.3 645.7,1843.6 563.8,1777.3 340.6,1814.0 293.9,1624.1 222.2,1404.3 186.7,1017.1 152.0,565.6 125.0,294.4 1191.3,16.2 1189.9,106.0 1515.4,112.2 1575.4,851.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[189.0,1000.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.85747226726438,40.09627624166565]}},{"type":"Feature","properties":{"resourceCoords":[1176.0,753.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.85557305853192,40.09503662931812]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1531.1,377.4 1513.2,1358.5 1562.3,1400.5 1572.2,1494.4 1248.4,1495.6 1247.8,1406.3 194.1,1707.2 127.8,1102.8 161.4,1046.7 200.7,930.3 303.7,269.1 1240.5,272.5 1239.7,229.6 1609.0,253.1 1531.1,377.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[852.0,288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.85234392167041,40.0976194772991]}},{"type":"Feature","properties":{"resourceCoords":[300.0,288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.85310881900698,40.09848168490003]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"959.9,1912.0 1349.5,1801.7 1284.7,1201.8 1318.1,1146.2 1357.2,1030.8 1460.4,374.7 1517.3,14.6 936.8,14.4 674.8,10.2 1.0,646.2 1.0,1912.0 959.9,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1467.0,381.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.853068675616,40.09847891131193]}},{"type":"Feature","properties":{"resourceCoords":[1342.0,1783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.85612564742819,40.09717474386044]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"287.6,1290.0 328.9,1318.1 130.1,1586.0 1.0,1763.3 1.0,1840.3 10.4,1843.1 271.3,1839.4 1597.8,1808.9 1595.1,1611.3 1584.8,1167.4 1582.1,824.9 1572.0,815.3 1593.3,128.7 1612.0,128.9 1612.0,125.8 1250.5,104.2 1257.7,94.9 51.7,138.9 111.3,532.1 118.9,531.8 76.5,1003.6 57.4,1003.9 56.0,1289.3 287.6,1290.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[-57.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.85595799407842,40.10074709651693]}},{"type":"Feature","properties":{"resourceCoords":[1555.0,508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.85446838935371,40.104360949140734]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p8 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"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":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"613.5,1219.7 613.3,1819.2 837.5,1824.8 1094.0,1826.0 1562.3,1823.8 1564.8,1460.8 1564.2,936.3 1568.8,284.1 1567.4,83.2 259.6,86.0 2.5,84.2 1.0,83.8 1.0,295.2 617.9,949.0 613.5,1219.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1094.0,1826.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.851279,40.09928]}},{"type":"Feature","properties":{"resourceCoords":[1094.0,84.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.85364,40.101932]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bristol, Pennsylvania | 1915 | sanborn07549_004 p9","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:21:15Z","modified":"2026-10-19T07:21:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1479.2,162.5 1423.8,637.3 1508.1,803.1 1508.2,1774.8 1482.5,1815.5 1099.1,1789.4 1099.7,1834.0 126.8,1826.1 187.5,1449.3 193.8,1222.1 195.8,962.2 194.8,487.6 195.9,21.6 1103.9,39.6 1548.2,87.2 1479.2,162.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075491915:07549_1915-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[692.0,966.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.85062,40.098532]}},{"type":"Feature","properties":{"resourceCoords":[692.0,488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.849683,40.099023]}}]}}]}