{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07530_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bethlehem, 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":"73"},{"label":"placed","value":"43"},{"label":"unplaced","value":"30"},{"label":"fit sources","value":"georef-snap 31, georef 10, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"18 sheet(s) cut into 55 panels"},{"label":"unplaced pages","value":"p15__1 (tier 1, 40.62023,-75.37308 +/-122m); p15__3 (tier 1, 40.63176,-75.38279 +/-100m); p15__4 (tier 2, 40.62037,-75.37242 +/-200m); p16__2 (tier 1, 40.62826,-75.36601 +/-246m); p16__3 (tier 1, 40.62784,-75.36823 +/-100m); p17__1 (tier 1, 40.61577,-75.38434 +/-110m); p22__2 (tier 1, 40.60662,-75.38021 +/-205m); p22__3 (tier 1, 40.61268,-75.37784 +/-108m); p22__4 (tier 1, 40.60822,-75.37476 +/-100m); p27__1 (tier 1, 40.61070,-75.37127 +/-106m); p27__2 (tier 1, 40.62621,-75.39069 +/-212m); p27__3 (tier 1, 40.60927,-75.37375 +/-112m); p2__1 (tier 1, 40.63490,-75.37516 +/-114m); p2__2 (tier 1, 40.61056,-75.36480 +/-100m); p2__4 (tier 1, 40.63090,-75.37138 +/-152m); p2__5 (tier 1, 40.63418,-75.37276 +/-110m); p30__2 (tier 1, 40.60422,-75.38221 +/-100m); p31__2 (tier 1, 40.61030,-75.38140 +/-100m); p32__1 (tier 1, 40.61050,-75.38484 +/-103m); p34__2 (tier 1, 40.60841,-75.38609 +/-127m); p37__1 (tier 1, 40.62377,-75.39423 +/-121m); p37__2 (tier 1, 40.61619,-75.38276 +/-100m); p37__3 (tier 1, 40.62351,-75.39448 +/-100m); p37__5 (tier 1, 40.61613,-75.37877 +/-100m); p37__6 (tier 1, 40.61727,-75.38194 +/-100m); p37__7 (tier 1, 40.62399,-75.39496 +/-100m); p3__3 (tier 1, 40.61925,-75.38999 +/-100m); p3__4 (tier 1, 40.62734,-75.38598 +/-100m); p7__2 (tier 1, 40.62212,-75.38148 +/-100m); p7__3 (tier 2, 40.62367,-75.38075 +/-201m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"112.0,1623.7 165.9,1624.8 166.3,1661.0 453.9,1792.5 455.4,1758.5 1455.7,1822.1 1451.2,1880.4 1413.6,1912.0 1492.8,1907.8 1497.9,1742.3 1484.1,1621.2 1484.3,1465.2 1479.5,930.3 1477.8,63.0 1280.6,63.1 1053.6,67.3 1053.2,1.0 442.6,1.0 256.2,103.9 72.2,111.0 86.2,398.6 99.2,963.1 112.0,1623.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[84.0,98.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38545056574362,40.62241926366958]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,82.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38190368696806,40.62233933654856]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.2,1846.7 79.6,1683.2 68.4,1563.2 71.8,1408.9 77.8,880.0 93.7,22.4 728.9,24.5 1028.9,23.1 1473.8,27.8 1471.2,445.8 1474.8,856.1 1472.8,1374.8 1478.4,1884.6 1456.9,1884.4 1457.0,1874.1 966.5,1884.2 955.4,1876.1 532.6,1871.8 396.8,1869.9 122.6,1865.2 71.2,1846.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1476.0,29.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37845096855091,40.62230974132981]}},{"type":"Feature","properties":{"resourceCoords":[86.0,1857.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38206988419448,40.618847281747364]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1279.4,1884.0 1280.4,1883.9 1280.6,1859.8 1478.1,1865.6 1563.3,1863.1 1560.9,1555.2 1567.5,833.0 1570.2,19.7 1238.5,25.1 1180.5,1.0 425.2,1.0 394.4,14.1 336.5,12.7 61.0,6.2 31.5,2.7 26.8,419.0 28.4,827.6 23.7,1344.2 26.6,1851.9 504.6,1859.6 908.0,1856.7 1273.5,1859.8 1279.4,1884.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[371.0,820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37762441967915,40.620722826383854]}},{"type":"Feature","properties":{"resourceCoords":[371.0,1340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3776448304414,40.6197179984284]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"23.6,1912.0 23.9,1797.7 21.5,970.8 14.2,640.8 11.8,119.4 855.4,114.2 1557.4,111.0 1565.0,632.1 1563.4,1741.5 1223.4,1738.8 865.9,1745.0 309.4,1742.7 69.3,1733.9 67.1,1884.0 23.6,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1213.0,968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37242306250707,40.62286002628561]}},{"type":"Feature","properties":{"resourceCoords":[1213.0,1748.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37050903021048,40.62282386206658]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0014__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p14 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"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":"3270.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0014__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"84.7,400.4 84.8,744.4 94.0,1106.0 96.3,1669.0 89.4,1912.0 240.4,1912.0 219.1,1881.2 760.5,1863.2 801.7,1334.2 709.5,98.5 209.3,34.5 231.0,5.5 78.5,8.3 84.7,400.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0014__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[423.8,759.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.36970960446992,40.622796109764536]}},{"type":"Feature","properties":{"resourceCoords":[423.8,24.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.36965066732026,40.62414889803608]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p14 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3270.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3181.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0014__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"831.1,1827.8 900.0,1825.4 979.9,1874.0 1523.7,1812.4 1503.0,1159.7 1577.4,942.9 1511.5,183.5 1601.3,170.3 1601.8,95.8 1559.8,67.8 1218.8,61.2 830.7,60.1 834.8,906.6 831.1,1827.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[841.6,1689.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37040581572357,40.62610216695304]}},{"type":"Feature","properties":{"resourceCoords":[841.6,44.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37447896274918,40.6261663023007]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0015__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p15 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1340.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5112.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0015__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"511.2,101.2 424.7,88.8 377.3,219.2 385.3,255.0 440.8,300.5 470.5,301.0 470.5,301.2 487.8,339.0 504.7,1100.8 470.5,1147.5 470.5,1170.2 424.5,1210.1 365.2,1290.9 360.3,1391.7 433.9,1469.1 377.2,1506.3 480.8,1640.6 514.2,1848.4 1556.8,1882.7 1581.2,1864.7 1581.8,1751.2 1581.5,930.2 1575.1,602.5 1574.1,84.8 830.9,83.0 514.0,87.7 514.5,1.0 510.8,1.0 511.2,101.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0015__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1036.5,930.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.372519463424,40.619617310943624]}},{"type":"Feature","properties":{"resourceCoords":[835.6,1707.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37061017305903,40.61920775213372]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p16 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.33"},{"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":"4396.4"},{"label":"split_canvas_h","value":"5232.0"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1041.0,35.9 41.3,30.1 26.1,615.3 40.5,956.2 354.2,970.3 354.7,973.0 361.5,973.0 361.5,973.0 361.5,1017.1 402.8,1282.6 1016.0,1297.2 1016.7,1307.0 1040.8,1307.0 1040.8,1301.0 1041.6,936.4 1036.2,534.0 1040.8,57.2 1041.0,35.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[731.1,1264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3754791,40.6180883]}},{"type":"Feature","properties":{"resourceCoords":[1041.1,1264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3754619,40.6186888]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0017__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p17 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.32"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2744.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3707.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0017__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1560.8,1574.4 1526.0,101.7 1066.1,77.0 1078.3,160.7 933.1,418.8 745.7,1692.5 1391.5,1760.2 1568.3,1753.3 1560.8,1574.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0017__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[686.1,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38205211261051,40.61805530837277]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38198605978968,40.61891305339933]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37967048065896,40.6188088551499]}},{"type":"Feature","properties":{"resourceCoords":[686.1,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37973653347979,40.617951110123336]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.45"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"531.6,92.4 1.0,249.4 1.0,283.6 43.5,581.6 393.2,1818.6 586.0,1872.5 716.7,1752.4 1017.1,1683.9 1183.6,1721.2 1222.5,1842.2 1453.2,1816.0 1444.9,1772.1 1453.0,1715.5 1433.8,1635.7 1473.0,1668.0 1533.2,1661.6 1409.4,631.5 1374.5,636.4 1454.2,318.9 1491.0,311.7 1481.8,256.5 1433.0,19.1 550.9,192.4 531.6,92.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1431.0,1711.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38212925693341,40.61883017880259]}},{"type":"Feature","properties":{"resourceCoords":[1544.0,23.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38605533933742,40.619722541324364]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p19 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.74"},{"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":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.8,962.5 106.5,1368.1 48.8,1372.4 32.8,1667.0 108.5,1708.1 119.7,1796.4 237.9,1791.3 306.2,1832.8 422.8,1790.8 492.7,1869.1 678.6,1890.8 1018.2,1876.2 1049.5,1532.8 1049.5,1491.5 1522.9,1491.5 1464.9,949.4 1567.6,948.5 1556.0,43.0 1246.8,44.8 738.0,60.0 75.1,69.8 1.0,72.3 1.0,324.4 42.9,349.8 32.8,631.3 1.0,631.3 1.0,660.2 37.0,962.9 76.8,962.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[347.0,960.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3891233,40.6179474]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,43.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3861242,40.619525]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0019__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p19 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.63"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4198.0"},{"label":"split_canvas_y","value":"5966.0"},{"label":"split_canvas_w","value":"2254.0"},{"label":"split_canvas_h","value":"1686.0"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0019__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1164.2,1506.2 1058.4,1549.5 1138.7,1720.0 1071.4,1893.9 1478.6,1903.5 1477.5,1912.0 1532.4,1912.0 1529.8,1525.8 1492.2,1523.6 1164.2,1506.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0019__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1187.4,1769.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.39062466739671,40.61748079386783]}},{"type":"Feature","properties":{"resourceCoords":[1187.4,1526.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.39063913809238,40.617947020814455]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"773.6,94.7 895.2,41.3 1530.4,19.4 1574.7,61.7 1584.1,466.0 1592.2,463.6 1586.2,1315.5 1590.6,1849.1 1297.3,1858.1 722.0,1861.2 48.8,1862.0 48.3,1623.5 52.5,1321.5 47.5,824.1 50.7,176.2 486.5,170.6 714.6,170.2 713.5,56.8 773.6,94.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[724.0,774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3881758494518,40.62082355641729]}},{"type":"Feature","properties":{"resourceCoords":[724.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3855187355652,40.620776974077216]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0021__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p21 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"},{"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":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0021__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.3,85.1 61.1,924.2 80.8,1449.7 90.1,1634.4 196.6,1822.2 197.6,1912.0 1243.5,1912.0 1243.5,1511.0 1243.5,1511.0 1476.8,1511.0 1521.7,1365.0 1544.1,1339.2 1544.6,1422.9 1591.9,1168.3 1580.5,1167.9 1536.2,51.5 244.6,19.6 42.3,85.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1215.0,890.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.386729,40.624598]}},{"type":"Feature","properties":{"resourceCoords":[95.0,1743.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3847483,40.6223931]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0021__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p21 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.94"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4974.0"},{"label":"split_canvas_y","value":"6044.0"},{"label":"split_canvas_w","value":"1478.0"},{"label":"split_canvas_h","value":"1608.0"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0021__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1569.0,1575.2 1568.3,1546.7 1261.4,1526.8 1254.1,1853.7 1246.1,1857.0 1584.9,1874.6 1569.0,1575.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0021__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1243.5,1511.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.39072425327325,40.61862683942481]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1511.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38981929585842,40.6186421414266]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38979738143128,40.617896216832236]}},{"type":"Feature","properties":{"resourceCoords":[1243.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.39070233884611,40.61788091483045]}},{"type":"Feature","properties":{"resourceCoords":[1269.5,1857.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3906418,40.6179859]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0022__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p22 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.45"},{"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":"3558.0"},{"label":"split_canvas_h","value":"6521.2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0022__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"392.1,102.3 272.0,88.9 248.4,90.5 196.1,109.0 168.0,133.2 152.3,156.1 133.2,197.4 75.3,198.9 73.9,137.6 69.5,136.0 50.5,991.5 68.8,1077.3 145.8,1188.7 303.2,1295.5 409.8,1461.4 526.8,1499.7 533.6,1516.8 583.7,1517.2 584.0,1517.2 584.0,1516.9 714.3,1527.0 804.1,1532.2 826.7,1518.7 826.3,1507.2 847.5,1233.9 858.8,1060.2 865.2,902.2 882.8,718.9 869.1,719.0 866.6,455.3 870.2,180.6 871.4,148.9 860.5,93.8 735.7,1.0 508.5,1.0 517.2,29.6 510.1,50.2 515.5,66.6 513.2,118.7 392.1,102.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0022__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[852.5,446.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37961657017138,40.60803888055918]}},{"type":"Feature","properties":{"resourceCoords":[852.5,131.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38115698456389,40.607893659750864]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"34.4,777.6 70.2,346.5 136.4,254.1 88.8,87.8 211.6,53.9 1492.1,67.5 1575.0,277.5 1499.0,528.1 1543.8,867.0 1595.7,869.6 1612.0,881.8 1612.0,884.8 1612.0,885.3 1485.7,866.8 1486.6,911.9 1444.3,912.4 1449.1,1092.4 1452.2,1374.3 1473.4,1440.7 1487.7,1758.8 1490.0,1821.1 206.8,1824.0 200.3,1770.3 164.9,1468.4 153.5,1296.3 106.6,1300.8 34.4,777.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1159.0,921.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37934817295243,40.612914015928766]}},{"type":"Feature","properties":{"resourceCoords":[1463.0,1717.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37856527305892,40.611430807262686]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"547.9,166.4 659.4,165.2 976.8,159.6 1043.5,140.2 1324.6,144.6 1504.1,144.7 1503.5,186.8 1548.5,187.1 1530.2,312.6 1542.7,296.6 1498.7,860.4 1537.8,1285.6 1520.7,1766.2 1253.2,1756.5 972.0,1753.3 512.3,1754.9 166.4,1751.5 175.0,1219.2 180.1,692.1 178.8,581.3 182.7,172.3 547.9,166.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[705.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37856505509596,40.611437006931475]}},{"type":"Feature","properties":{"resourceCoords":[182.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37850928045593,40.61045421860177]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"227.1,792.5 220.7,1239.6 113.0,1246.4 1.0,1253.6 1.0,1661.5 69.8,1657.1 214.9,1647.9 212.2,1837.9 320.0,1807.8 383.9,1805.1 935.7,1769.5 1464.5,1723.2 1415.3,1173.8 1431.8,1171.8 1443.7,875.6 1457.3,875.8 1461.6,520.9 1456.7,151.1 1456.3,101.2 161.7,65.8 163.2,84.0 200.8,505.8 227.1,792.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[924.0,508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37975015015478,40.610435983885665]}},{"type":"Feature","properties":{"resourceCoords":[1449.0,508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37846651140894,40.61048072402298]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0026__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p26 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.27"},{"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":"1355.2"},{"label":"split_canvas_h","value":"3765.6"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0026__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"34.1,804.5 80.8,803.8 82.5,940.4 93.3,940.4 93.9,922.9 331.9,886.4 320.8,31.8 83.6,39.4 34.1,804.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0026__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":[-75.36627798637892,40.609220225297626]}},{"type":"Feature","properties":{"resourceCoords":[338.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36625388302369,40.60858374685857]}},{"type":"Feature","properties":{"resourceCoords":[338.8,941.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36856479499683,40.60853259544435]}},{"type":"Feature","properties":{"resourceCoords":[0.0,941.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36858889835206,40.60916907388341]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0026__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p26 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1355.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5096.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0026__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1514.0,145.0 1159.0,147.2 1158.9,133.6 862.4,127.2 860.0,110.7 338.8,167.1 338.8,538.0 356.4,856.0 367.4,1206.3 377.6,1758.2 380.7,1781.2 404.6,1763.6 584.4,1833.9 927.6,1770.7 1522.6,1801.7 1520.7,1912.0 1524.3,1912.0 1522.5,1744.4 1522.8,1205.2 1519.6,671.4 1516.7,559.2 1514.0,145.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0026__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[338.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37870969401293,40.60826866864696]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3787955668707,40.610634164883535]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37411730431619,40.61073191182034]}},{"type":"Feature","properties":{"resourceCoords":[338.8,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3740314314584,40.60836641558376]}},{"type":"Feature","properties":{"resourceCoords":[1514.0,145.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3784343,40.6104579]}},{"type":"Feature","properties":{"resourceCoords":[1514.0,145.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3784343,40.6104579]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0026__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p26 [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":"3752.4"},{"label":"split_canvas_w","value":"1355.2"},{"label":"split_canvas_h","value":"3899.6"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0026__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"328.2,1076.7 317.4,1076.1 316.4,938.3 280.1,938.7 269.3,938.8 266.6,976.1 56.5,976.1 52.6,1337.6 53.9,1876.2 293.9,1868.0 328.2,1076.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0026__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,938.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36827132119326,40.60961377623868]}},{"type":"Feature","properties":{"resourceCoords":[338.8,938.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36824289339292,40.608983150188635]}},{"type":"Feature","properties":{"resourceCoords":[338.8,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37061528623687,40.60892064178715]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37064371403721,40.6095512678372]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"144.3,65.5 147.3,235.8 143.6,236.9 128.0,1674.7 1.0,1680.8 1.0,1686.7 381.8,1675.7 610.8,1673.8 997.8,1661.0 999.6,1760.2 1126.0,1865.9 1473.4,1886.7 1547.8,1836.5 1510.2,1518.1 1529.2,48.6 1255.5,45.0 967.9,48.2 497.9,60.8 144.3,65.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3746738041243,40.61028743090698]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37475273012689,40.61325376321126]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37015094593532,40.6133253239584]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37007201993273,40.61035899165412]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,222.7 1589.5,223.5 1612.0,1735.2 1612.0,1750.1 1548.5,1892.2 49.5,1873.0 28.0,1072.7 30.6,568.5 33.3,33.0 513.3,20.1 513.2,25.8 888.4,23.1 1113.3,26.1 1493.7,21.7 1493.4,119.1 1612.0,222.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0029/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37062705375573,40.60938849361536]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37079221449453,40.612405958192184]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3661111432068,40.612555707542754]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36594598246799,40.60953824296593]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p2 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.25"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1708.0"},{"label":"split_canvas_w","value":"4110.0"},{"label":"split_canvas_h","value":"5944.0"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"729.8,1870.3 931.1,1803.8 896.4,1662.7 977.5,1375.4 929.8,1302.1 994.4,1202.7 985.8,476.5 660.6,442.2 571.7,490.1 66.5,484.1 51.6,1877.4 729.8,1870.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,427.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37638177831309,40.63481645537143]}},{"type":"Feature","properties":{"resourceCoords":[1027.5,427.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37395871160983,40.634756043314546]}},{"type":"Feature","properties":{"resourceCoords":[1027.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37407297793452,40.632079205103004]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37649604463778,40.63213961715988]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0030__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p30 [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":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0030__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"167.8,130.6 54.9,134.4 53.6,1727.8 62.4,1790.6 62.1,1912.0 176.8,1912.0 216.8,1831.1 248.9,1786.7 305.7,1740.1 410.3,1706.0 456.9,1704.0 694.3,1736.3 933.2,1774.6 940.3,1671.6 930.5,1638.9 945.4,1598.6 823.3,1156.9 1439.7,1183.1 1474.1,1184.1 1484.2,1184.4 1491.2,1184.7 1523.2,1155.0 1514.8,1096.1 1533.8,658.7 1547.8,659.2 1563.8,399.6 1554.2,143.4 816.2,113.2 468.7,96.5 238.2,90.3 174.8,82.8 167.8,130.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0030__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1489.0,901.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38336602070075,40.60742262523894]}},{"type":"Feature","properties":{"resourceCoords":[235.0,101.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38487469994891,40.60485582088621]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0031__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p31 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0031__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0031","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"659.1,113.6 314.9,112.3 54.0,111.8 73.8,372.1 67.8,636.8 53.5,636.9 51.4,1082.7 62.3,1142.2 1.0,1203.4 1.0,1602.4 186.0,1735.8 186.2,1737.1 376.0,1751.8 376.0,1711.2 376.0,1478.4 376.0,1317.0 783.6,1317.0 783.6,1317.0 783.6,1675.7 783.6,1783.7 1229.9,1818.5 1401.5,1813.8 1518.1,1810.5 1518.8,1800.9 1523.9,1729.5 1551.8,1344.4 1559.9,1164.8 1564.3,974.8 1587.3,534.0 925.8,190.8 783.6,134.5 694.0,28.0 698.0,120.1 659.1,113.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0031__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[581.0,369.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38477078824307,40.60835744102872]}},{"type":"Feature","properties":{"resourceCoords":[1811.0,1828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38155432595046,40.61092228090239]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0032__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p32 [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":"4158.0"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0032__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"681.4,918.0 868.6,922.7 1045.8,931.1 1425.6,959.3 1505.5,965.1 1495.6,546.9 1494.0,474.9 1487.3,171.9 1492.2,1.0 1445.4,1.0 1448.8,83.0 1345.2,42.6 1191.5,126.4 727.5,146.7 634.0,208.4 613.3,202.8 475.1,463.5 309.7,795.2 300.5,794.9 299.5,794.8 246.6,894.6 681.4,918.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0032__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[269.0,918.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38457715379404,40.61020726265272]}},{"type":"Feature","properties":{"resourceCoords":[1059.0,918.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38263115242962,40.610372376022795]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0032__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p32 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.87"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3786.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3865.2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0032__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.6,1262.9 114.4,1254.7 92.0,1294.7 348.7,1671.2 367.6,1637.7 746.3,1726.1 774.8,1677.4 816.0,1696.5 1115.9,1817.3 1147.0,1816.1 1187.3,1712.2 1197.3,1711.4 1321.2,1367.4 1426.5,1096.1 677.5,984.2 677.4,984.2 186.8,986.9 109.3,1058.1 110.5,1242.0 66.6,1262.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0032__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1147.0,1816.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3846389,40.6102471]}},{"type":"Feature","properties":{"resourceCoords":[1451.0,1023.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3838632,40.6117548]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1331.3,1878.0 962.1,1840.2 596.0,1795.1 394.4,1778.6 131.8,1750.9 58.5,1586.7 107.5,1483.8 62.8,1318.5 138.7,1175.5 43.9,1038.8 45.4,431.9 71.2,259.4 189.2,91.5 227.5,60.2 227.7,107.0 643.8,312.8 643.8,273.6 1023.9,162.7 1024.7,105.3 1070.8,101.6 1397.3,58.9 1424.2,42.2 1535.1,772.5 1572.9,919.3 1472.0,1327.8 1404.7,1610.2 1368.9,1740.9 1343.6,1865.5 1331.3,1878.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1252.0,1324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38657707650931,40.60832435033444]}},{"type":"Feature","properties":{"resourceCoords":[638.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38638514852602,40.61089380408459]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0034__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p34 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"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":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0034__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"967.0,15.2 99.5,74.7 47.1,273.6 1.0,270.6 1.0,337.9 254.0,689.9 267.2,734.8 244.9,1256.4 220.6,1780.4 1230.4,1824.5 1573.5,1840.0 1612.0,1848.2 1612.0,1816.2 1612.0,1755.5 1438.4,1528.9 1258.2,1297.7 1177.8,1187.0 1095.4,1088.4 1093.2,1070.7 1354.5,801.3 1612.0,546.4 1612.0,542.6 1612.0,531.7 1065.6,1.0 964.9,1.0 967.0,15.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0034__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":[-75.38925882127063,40.605039432882364]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38985169193495,40.60800516560463]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38525121843948,40.60854275493789]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38465834777516,40.60557702221563]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0035","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"115.9,340.1 469.5,70.8 514.9,56.0 1046.1,65.5 1579.9,76.9 1570.0,439.0 1568.6,679.0 1562.1,745.2 1612.0,751.4 1612.0,987.7 1612.0,1000.4 1572.2,1814.7 1466.9,1876.2 457.2,1859.2 121.8,1786.2 119.3,1688.5 52.0,1687.3 120.5,1621.2 125.4,1524.4 74.7,1510.4 121.0,1441.4 45.6,1386.8 116.7,1358.4 129.3,1142.7 126.3,932.5 33.8,718.4 48.8,341.8 115.9,340.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[646.0,1001.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3869919130991,40.604066458984995]}},{"type":"Feature","properties":{"resourceCoords":[1559.0,1001.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3848271287078,40.604277054636775]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0036__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p36 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"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":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0036__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0036","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1079.3,46.1 1099.1,79.3 1018.9,435.1 1091.5,1085.6 1023.9,1192.5 1024.0,1202.0 1017.9,1202.0 1014.5,1207.3 892.3,1204.9 860.5,1267.3 860.5,1275.3 856.5,1275.3 854.5,1279.2 759.1,1275.5 764.8,1308.3 615.1,1381.8 217.4,1332.6 172.3,1384.5 105.6,1331.8 94.0,1479.3 64.6,1426.9 41.0,1796.5 73.2,1865.3 589.4,1889.9 587.5,1838.5 763.5,1839.6 1149.6,1832.0 1378.3,1832.8 1576.1,1826.7 1581.2,1384.1 1582.6,1046.4 1585.8,989.4 1612.0,953.5 1612.0,863.0 1577.8,828.8 1561.7,35.7 1352.5,43.0 1079.3,46.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0036__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1153.0,1046.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.39077219999464,40.607137102574306]}},{"type":"Feature","properties":{"resourceCoords":[605.0,1841.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.392948762626,40.60656880205484]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0036__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p36 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.96"},{"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":"4096.0"},{"label":"split_canvas_h","value":"5101.2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0036__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0036","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"998.9,57.1 807.1,62.6 585.5,61.3 211.4,67.7 40.9,66.2 42.6,116.1 45.0,116.2 39.7,1231.7 87.1,1259.6 369.4,1204.6 650.5,1257.9 772.4,1204.2 744.0,1153.3 984.8,1066.1 998.9,57.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0036__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[610.0,1078.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.393324,40.604439]}},{"type":"Feature","properties":{"resourceCoords":[1002.0,57.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3910598,40.6055424]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0037__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p37 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.53"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4237.6"},{"label":"split_canvas_y","value":"1928.0"},{"label":"split_canvas_w","value":"2214.4"},{"label":"split_canvas_h","value":"1703.2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0037__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0037","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1099.5,534.7 1093.9,887.2 1131.7,825.1 1351.3,833.0 1380.5,757.2 1449.5,867.2 1559.3,871.1 1560.2,579.2 1459.2,516.1 1134.6,555.0 1099.5,534.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0037__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1059.4,482.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.39920064301391,40.62254915801065]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,482.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.39906947503412,40.62357255240798]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,907.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.39803218450062,40.623496033261155]}},{"type":"Feature","properties":{"resourceCoords":[1059.4,907.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.39816335248041,40.622472638863826]}},{"type":"Feature","properties":{"resourceCoords":[1096.4,535.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.399063,40.622608]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p3 [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":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.5,1870.3 433.6,1874.0 483.4,1882.4 1538.0,1861.8 1545.0,1526.8 1481.0,1461.4 994.2,1461.6 993.6,1456.0 985.5,1456.0 985.5,1378.8 938.7,931.9 614.0,931.0 613.5,931.0 613.5,931.0 611.2,924.5 533.5,84.0 119.7,19.9 46.6,90.8 68.4,799.4 77.9,1151.0 89.5,1870.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[779.0,1506.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38251386720077,40.628991430397186]}},{"type":"Feature","properties":{"resourceCoords":[1492.0,1845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38164300801331,40.63022736457907]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p3 [2]","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":"2454.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3998.0"},{"label":"split_canvas_h","value":"3724.0"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1586.1,804.1 1558.0,615.7 1579.8,328.2 1108.2,328.7 990.0,26.6 665.9,26.9 629.5,484.0 644.5,712.5 703.5,756.6 657.6,825.7 908.0,836.2 907.4,911.0 1352.0,915.0 1584.7,919.8 1586.1,804.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1577.0,342.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3910550739086,40.620819091109176]}},{"type":"Feature","properties":{"resourceCoords":[1577.0,915.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38967359984525,40.62081798897497]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"145.1,107.7 91.9,364.7 93.1,279.9 69.9,305.5 21.4,452.6 1.0,452.2 1.0,1379.8 119.9,1538.8 120.3,1745.8 120.5,1788.6 420.3,1798.9 738.6,1791.2 1122.8,1793.1 1512.7,1788.3 1512.0,1105.2 1507.9,771.2 1497.3,98.2 802.8,42.1 517.0,130.7 145.1,107.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[737.0,777.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38429039660004,40.62634956725476]}},{"type":"Feature","properties":{"resourceCoords":[132.0,1108.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.38352346977679,40.62519901901146]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p5","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"107.3,1778.5 598.2,1782.2 1051.0,1782.0 1543.1,1786.3 1546.7,1467.6 1547.8,1161.5 1545.5,771.5 1550.8,340.4 1539.8,337.4 1571.7,162.1 1459.5,34.1 136.9,38.1 137.0,1.0 136.8,1.0 128.0,47.4 117.2,376.4 119.1,769.1 114.4,1156.0 119.9,1476.6 107.3,1778.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1051.0,1462.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3795217,40.6256799]}},{"type":"Feature","properties":{"resourceCoords":[1051.0,1782.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3795413,40.625086]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"412.4,154.3 719.0,154.6 1109.5,151.3 1541.4,155.4 1524.5,217.8 1555.8,1614.5 1532.8,1833.5 1507.8,1837.3 1507.8,1761.8 1465.0,1733.6 1119.0,1729.3 725.1,1730.9 98.0,1735.8 96.7,1058.8 93.2,151.5 412.4,154.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[418.0,1067.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3760812436354,40.625610129154985]}},{"type":"Feature","properties":{"resourceCoords":[107.0,1751.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37443229066808,40.62499886735318]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"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":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.3,1086.8 95.2,1395.8 97.1,1854.2 450.5,1856.5 1566.4,1850.6 1565.7,1361.5 1560.9,911.5 1559.7,423.5 1559.5,380.6 1558.5,173.4 1428.7,1.0 1385.7,1.0 1063.5,268.0 872.9,268.0 813.7,268.0 645.3,268.0 167.3,1.0 80.0,1.0 82.9,231.4 81.8,432.4 89.3,1086.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[76.0,420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3819856159726,40.62236697682489]}},{"type":"Feature","properties":{"resourceCoords":[95.0,1841.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37848917491185,40.622309123023996]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.2,477.2 77.0,189.9 80.2,159.2 436.2,164.7 1560.3,168.6 1562.7,1075.8 1563.2,1752.6 785.5,1758.8 80.1,1763.0 70.6,1417.3 96.1,1354.2 87.5,571.9 72.5,537.6 73.2,477.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[441.0,1081.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37618233627644,40.62293587707919]}},{"type":"Feature","properties":{"resourceCoords":[1161.0,157.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.37839227733703,40.62431556861917]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1904 | sanborn07530_004 p9","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:01:21Z","modified":"2026-10-19T02:01:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"887.0,60.2 1515.7,62.1 1516.5,922.7 1509.0,1859.2 536.1,1889.1 490.7,1854.0 490.4,1702.0 99.8,1701.9 110.5,584.1 107.1,59.0 887.0,60.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301904:07530_1904-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[889.0,582.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.373199,40.6249705]}},{"type":"Feature","properties":{"resourceCoords":[1198.0,1705.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.370451,40.6255069]}}]}}]}