{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07570_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Catasauqua, Pennsylvania | 1913 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"54"},{"label":"placed","value":"40"},{"label":"unplaced","value":"14"},{"label":"fit sources","value":"georef 30, georef-snap 4, snap:0 4, georef:contradicted 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"17 sheet(s) cut into 41 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 40.63678,-75.47191 +/-243m); p14__2 (tier 1, 40.65350,-75.46596 +/-100m); p16__2 (tier 1, 40.65205,-75.47018 +/-259m); p18__3 (tier 2, 40.67225,-75.49244 +/-231m); p2 (tier 3, 40.64903,-75.47430 +/-1287m); p23__1 (tier 1, 40.64619,-75.47020 +/-143m); p26__2 (tier 1, 40.64148,-75.47493 +/-112m); p26__3 (tier 1, 40.64161,-75.47337 +/-100m); p29__1 (tier 1, 40.64201,-75.46664 +/-213m); p29__2 (tier 2, 40.63768,-75.46753 +/-298m); p3__1 (tier 1, 40.64871,-75.46901 +/-146m); p3__3 (tier 1, 40.65612,-75.47794 +/-122m); p6__1 (tier 1, 40.65958,-75.46768 +/-100m); p6__3 (tier 1, 40.65769,-75.47520 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p10","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"18"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,153.9 1545.9,151.9 1465.1,891.9 1563.2,1850.7 886.0,1850.3 886.0,1913.0 -0.0,1913.0 -0.0,153.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1514.0,1271.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.471532,40.652788]}},{"type":"Feature","properties":{"resourceCoords":[882.0,122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.474605,40.653371]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"813.8,1756.1 47.2,1878.5 45.5,244.8 100.1,-0.0 483.8,-0.0 1451.8,239.7 1510.8,-0.0 1613.0,-0.0 1559.1,1457.6 813.8,1756.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46975503963229,40.65618399881404]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46768305559137,40.65367570125425]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.4715767394358,40.651798261620804]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47364872347673,40.6543065591806]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p12","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"36"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.2,1356.0 195.2,679.9 33.1,680.6 232.6,-0.0 369.4,-0.0 907.2,365.4 1156.5,-0.0 1465.7,-0.0 1445.2,158.7 1613.0,180.3 1613.0,413.1 1394.8,407.6 1382.6,1770.6 1325.5,1770.5 1321.2,1913.0 232.6,1913.0 243.8,1357.2 181.2,1356.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[98.0,455.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.470239,40.65256]}},{"type":"Feature","properties":{"resourceCoords":[577.0,1781.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4715069,40.6501571]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 0.0,-0.0 176.8,0.0 178.7,56.8 1533.9,27.7 1532.7,37.4 1536.5,244.9 1613.0,242.6 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47043345777092,40.64902107791943]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46773633955092,40.65118244509514]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46438146351133,40.64873837722478]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46707858173133,40.64657701004907]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0014__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p14 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3201.6"},{"label":"split_canvas_h","value":"2326.8"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0014__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"425.1,463.4 631.0,465.5 527.7,392.3 800.4,0.0 -0.0,-0.0 -0.0,45.2 101.5,45.0 95.3,524.2 424.2,525.7 425.1,463.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0014__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":[-75.474520956554,40.65794286316405]}},{"type":"Feature","properties":{"resourceCoords":[800.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47321345655399,40.659037863164066]}},{"type":"Feature","properties":{"resourceCoords":[800.4,581.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47216344274331,40.65831621285706]}},{"type":"Feature","properties":{"resourceCoords":[0.0,581.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47347094274332,40.657221212857046]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0014__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p14 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1526.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"6125.6"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0014__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1228.2,1193.8 1613.0,1305.7 1613.0,381.6 797.0,420.2 795.5,581.7 0.0,579.1 -0.0,1913.0 1263.2,1913.0 1228.2,1193.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0014__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1451.0,741.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.464445,40.652437]}},{"type":"Feature","properties":{"resourceCoords":[-283.0,361.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.46782,40.651041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p15 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3147.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"650.0,1794.2 761.4,1603.5 602.9,512.8 762.2,112.0 762.3,111.7 -0.0,111.0 -0.0,1891.6 217.0,1869.3 616.4,1678.5 650.0,1794.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[355.9,1365.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.462667,40.651448]}},{"type":"Feature","properties":{"resourceCoords":[355.9,475.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.460733,40.652124]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p15 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"2322.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4129.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"697.0,1913.0 1613.0,1913.0 1613.0,-0.0 786.8,0.0 762.2,112.0 602.9,512.8 761.4,1603.5 580.7,1913.0 697.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1048.4,685.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.457292,40.653343]}},{"type":"Feature","properties":{"resourceCoords":[1048.4,1588.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.459248,40.652661]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p16 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3994.4"},{"label":"split_canvas_w","value":"3679.6"},{"label":"split_canvas_h","value":"3657.6"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"844.0,1874.7 881.7,1439.5 917.8,1419.2 917.3,1302.8 591.9,1301.2 589.9,1139.3 0.0,998.6 -0.0,1355.4 67.8,1811.6 844.0,1874.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[60.0,1428.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.468222,40.653341]}},{"type":"Feature","properties":{"resourceCoords":[547.0,1112.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.467103,40.652676]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p17","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"25"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1046.2,1807.3 58.6,1811.9 58.6,1781.2 -0.0,1781.5 -0.0,-0.0 1613.0,-0.0 1613.0,473.0 1535.2,434.7 1546.2,1803.8 1613.0,1803.7 1613.0,1913.0 1428.9,1876.2 1415.6,1913.0 1048.7,1913.0 1046.2,1807.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[48.0,988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4922199,40.6735871]}},{"type":"Feature","properties":{"resourceCoords":[1030.0,424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.489634,40.672913]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p18 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"15"},{"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":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1088.0,1844.4 1082.7,1571.3 1145.9,1572.4 1145.9,1566.0 953.9,1466.1 1175.5,1027.2 1226.1,1052.8 1287.2,946.4 1613.0,949.3 1613.0,326.3 1231.2,324.0 718.6,505.0 481.0,0.0 -0.0,-0.0 -0.0,47.4 168.8,48.8 164.8,519.3 87.8,480.6 87.4,1842.8 153.9,1843.2 153.3,1913.0 205.7,1843.2 1088.0,1844.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[585.0,1571.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.490026,40.670186]}},{"type":"Feature","properties":{"resourceCoords":[1063.0,1246.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.488667,40.669926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p18 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"1924.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4528.0"},{"label":"split_canvas_h","value":"2020.0"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,-0.0 1439.9,0.0 1314.9,0.0 481.0,-0.0 718.6,505.0 1231.2,324.0 1613.0,326.3 1613.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[715.0,41.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.497527,40.673228]}},{"type":"Feature","properties":{"resourceCoords":[715.0,326.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.497535,40.672754]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p19 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"15"},{"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":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1007.0,1658.3 1104.5,1913.0 1182.0,1888.0 1181.8,1913.0 1613.0,1913.0 1613.0,-0.0 964.5,-0.0 1112.3,407.2 628.9,348.7 570.7,833.5 797.9,863.6 726.6,888.0 824.0,1141.2 -0.0,1439.1 -0.0,1730.2 395.5,1589.3 460.3,1589.8 546.9,1825.4 1007.0,1658.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[598.0,591.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.488667,40.669926]}},{"type":"Feature","properties":{"resourceCoords":[547.0,1825.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.491514,40.669168]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p19 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2302.4"},{"label":"split_canvas_h","value":"5583.2"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1395.8 437.6,1245.7 510.6,1217.1 338.1,753.0 496.5,693.5 520.1,486.5 430.1,199.3 553.0,198.3 575.6,0.0 -0.0,-0.0 0.0,1395.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[82.0,847.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.492008,40.668835]}},{"type":"Feature","properties":{"resourceCoords":[337.8,752.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.491514,40.669168]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0020__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p20 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4942.4"},{"label":"split_canvas_w","value":"2379.6"},{"label":"split_canvas_h","value":"2709.6"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0020__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1385.7 0.0,1913.0 594.9,1913.0 592.4,1629.9 446.2,1628.6 448.1,1424.5 148.9,1298.4 0.0,1385.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0020__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1235.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48952487740924,40.6618411507637]}},{"type":"Feature","properties":{"resourceCoords":[594.9,1235.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48977377046296,40.65967865861934]}},{"type":"Feature","properties":{"resourceCoords":[594.9,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.49301927946406,40.65989399130302]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.49277038641034,40.66205648344738]}},{"type":"Feature","properties":{"resourceCoords":[444.9,1707.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.491969,40.6603725]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0020__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p20 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"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":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0020__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"916.0,1611.2 1006.2,999.6 1555.2,1001.5 1554.2,132.6 1613.0,114.6 1613.0,-0.0 -0.0,0.0 0.0,1235.6 448.1,1424.5 446.2,1628.6 592.4,1629.9 594.9,1913.0 871.5,1913.0 875.6,1885.4 1314.3,1885.8 1613.0,1821.2 1613.0,1279.6 1548.5,1298.7 1546.2,1577.5 1507.0,1613.2 916.0,1611.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[864.0,1305.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.491001,40.662116]}},{"type":"Feature","properties":{"resourceCoords":[864.0,151.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.488217,40.662241]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p21 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"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":"2474.4"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,544.4 82.1,618.5 630.2,618.3 1613.0,617.7 1613.0,134.6 1556.6,134.3 1554.5,29.5 -0.0,0.0 0.0,544.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[580.0,582.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4947,40.671897]}},{"type":"Feature","properties":{"resourceCoords":[1555.0,304.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.492624,40.670886]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p21 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2473.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5178.8"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1582.4,1802.9 1549.9,1249.6 630.2,1221.7 630.2,618.3 356.8,618.4 333.0,687.2 271.1,685.0 78.3,1240.9 104.0,1791.0 565.1,1796.3 504.6,1913.0 1123.0,1913.0 1306.3,1913.0 1301.9,1801.5 1582.4,1802.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[696.0,1278.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.489001,40.659851]}},{"type":"Feature","properties":{"resourceCoords":[104.0,1791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.490683,40.660492]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p21 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"2520.8"},{"label":"split_canvas_y","value":"2470.8"},{"label":"split_canvas_w","value":"3931.2"},{"label":"split_canvas_h","value":"2535.2"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1001.6,1228.2 1278.3,1223.8 1272.2,1113.6 1613.0,1106.4 1613.0,617.7 630.2,618.3 630.2,954.8 987.0,928.2 1001.6,1228.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[630.2,617.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.49040453037192,40.65694238057089]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,617.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.49127157727115,40.65863438142539]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1251.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48984081701815,40.65906225623173]}},{"type":"Feature","properties":{"resourceCoords":[630.2,1251.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48897377011892,40.65737025537723]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0022__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p22 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0022__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"397.0,1913.0 677.1,1397.9 1120.0,1391.3 1108.2,260.2 1613.0,151.9 1613.0,-0.0 -0.0,-0.0 -0.0,410.2 116.6,416.4 108.5,1913.0 397.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0022__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":[-75.48601125191846,40.659455982917166]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.4843434736038,40.6568023848967]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48846294033585,40.655291283306916]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.4901307186505,40.65794488132738]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0022__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p22 [2]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"1588.0"},{"label":"split_canvas_y","value":"607.6"},{"label":"split_canvas_w","value":"4864.0"},{"label":"split_canvas_h","value":"7044.4"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0022__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1216.4,1913.0 1613.0,1913.0 1613.0,151.9 1108.2,260.2 1120.0,1391.3 677.1,1397.9 397.0,1913.0 1216.4,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0022__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[397.0,151.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47145916539924,40.64560549770347]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,151.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46969832139956,40.64737549313655]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.4663203184359,40.64543827886622]}},{"type":"Feature","properties":{"resourceCoords":[397.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46808116243558,40.64366828343314]}},{"type":"Feature","properties":{"resourceCoords":[427.0,1652.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.468538,40.643999]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0023__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p23 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"17"},{"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":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0023__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1810.9 1562.8,1810.8 1549.0,657.0 1466.7,657.0 1467.3,347.9 1613.0,343.6 1613.0,-0.0 -0.0,0.0 0.0,1169.9 1179.5,1439.7 1181.3,1913.0 1241.0,1913.0 1613.0,1913.0 1613.0,1810.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0023__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1135.0,657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4786965,40.6507902]}},{"type":"Feature","properties":{"resourceCoords":[1549.0,657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4780205,40.6502186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p24","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1163.8,0.0 1475.7,0.0 1480.3,147.0 1613.0,146.8 1613.0,1913.0 1166.9,1913.0 1169.2,1766.6 195.7,1776.8 196.1,1707.4 114.3,1707.4 114.3,1913.0 -0.0,1913.0 -0.0,99.0 1164.0,83.0 1163.8,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1164.0,1323.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4760174,40.6485189]}},{"type":"Feature","properties":{"resourceCoords":[1164.0,83.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4780205,40.6502186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p25 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5382.0"},{"label":"split_canvas_w","value":"3800.4"},{"label":"split_canvas_h","value":"2270.0"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.3,1768.7 40.2,1913.0 756.4,1913.0 950.1,1765.5 950.1,1577.4 534.0,1400.1 76.3,1353.3 70.3,1769.5 32.3,1768.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[384.1,1773.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.471538,40.646471]}},{"type":"Feature","properties":{"resourceCoords":[76.0,1343.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.472455,40.647032]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p25 [2]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"18"},{"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":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1345.5 534.0,1400.1 950.1,1577.4 950.1,1913.0 1602.3,1913.0 1613.0,1792.7 1356.7,1666.9 1613.0,1220.5 1613.0,0.0 1510.7,0.0 1510.8,207.0 1061.1,207.1 1063.3,59.5 82.0,69.9 82.4,0.0 -0.0,-0.0 0.0,1345.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1031.0,1351.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.473279,40.646121]}},{"type":"Feature","properties":{"resourceCoords":[728.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4758885,40.6475061]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0026__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p26 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"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":"5757.6"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0026__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1272.5,1406.5 1373.7,1415.5 1590.7,1406.3 1613.0,1261.0 1613.0,0.0 -0.0,-0.0 0.0,1345.0 243.3,1259.3 254.4,1189.2 399.4,1190.2 473.9,1190.7 488.8,1130.0 484.0,1190.8 812.2,1193.0 810.5,1439.4 1272.4,1419.8 1272.5,1406.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0026__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1008.0,899.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.472362,40.640098]}},{"type":"Feature","properties":{"resourceCoords":[1283.0,350.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.472229,40.641225]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p27 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"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":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.9,1913.0 90.5,1834.2 635.5,1834.3 637.9,1913.0 891.2,1913.0 889.4,1850.9 1239.9,1868.6 1259.2,1520.2 1262.3,352.1 1294.5,352.2 1217.7,0.0 946.2,0.0 1004.9,259.2 722.5,319.9 718.5,515.7 -0.0,673.2 -0.0,1913.0 92.9,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[440.0,1498.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.470703,40.63475]}},{"type":"Feature","properties":{"resourceCoords":[440.0,165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.470943,40.637153]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p27 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"5032.4"},{"label":"split_canvas_y","value":"1408.4"},{"label":"split_canvas_w","value":"1419.6"},{"label":"split_canvas_h","value":"6243.6"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1523.0,1800.8 1547.4,1900.7 1498.4,1913.0 1613.0,1913.0 1613.0,383.5 1550.6,417.9 1262.1,420.0 1261.4,682.2 1275.5,1801.7 1523.0,1800.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1275.1,1127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4688892,40.6548583]}},{"type":"Feature","properties":{"resourceCoords":[1275.1,421.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.469423,40.65608]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p28 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3280.8"},{"label":"split_canvas_h","value":"2226.8"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,417.0 528.9,323.3 555.0,463.2 820.2,418.6 816.3,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__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":[-75.46766478537437,40.6416640528899]}},{"type":"Feature","properties":{"resourceCoords":[820.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46784947457633,40.64018197344138]}},{"type":"Feature","properties":{"resourceCoords":[820.2,556.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46916689284873,40.64027784107173]}},{"type":"Feature","properties":{"resourceCoords":[0.0,556.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46898220364677,40.64175992052026]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p28 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"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":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"272.9,1367.7 903.3,1402.8 1430.4,1913.0 1461.0,1913.0 1613.0,1913.0 1613.0,0.0 816.3,0.0 820.2,418.6 0.0,556.7 -0.0,787.8 272.9,1367.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[758.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.469566,40.640659]}},{"type":"Feature","properties":{"resourceCoords":[233.0,1171.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.470838,40.640441]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p28 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5410.0"},{"label":"split_canvas_w","value":"5721.6"},{"label":"split_canvas_h","value":"2242.0"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.4,1899.1 1430.4,1913.0 903.3,1402.8 93.2,1357.7 76.4,1899.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[584.2,1538.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4704934,40.6332572]}},{"type":"Feature","properties":{"resourceCoords":[76.0,1538.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4706214,40.6341675]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0030__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p30 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"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":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0030__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1037.5,0.0 1002.7,502.4 413.0,502.4 412.0,561.0 71.5,557.0 75.7,617.1 -0.0,620.0 -0.0,1913.0 1613.0,1913.0 1613.0,0.0 1037.5,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0030__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[731.0,1222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.467893,40.632983]}},{"type":"Feature","properties":{"resourceCoords":[412.0,561.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.468736,40.634192]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0030__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p30 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4150.0"},{"label":"split_canvas_h","value":"2009.6"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0030__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,502.3 527.5,502.4 550.2,408.0 693.4,408.6 692.4,276.8 823.8,305.6 823.7,502.4 1002.7,502.4 1037.5,0.0 -0.0,-0.0 0.0,502.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0030__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47334020952599,40.63776074239921]}},{"type":"Feature","properties":{"resourceCoords":[1037.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46856265929301,40.63884845867687]}},{"type":"Feature","properties":{"resourceCoords":[1037.5,502.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46786981197089,40.637094190139564]}},{"type":"Feature","properties":{"resourceCoords":[0.0,502.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47264736220386,40.636006473861904]}},{"type":"Feature","properties":{"resourceCoords":[416.8,-12.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.471438,40.638241]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p3 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3095.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3356.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1012.3,0.0 824.9,981.0 774.8,981.0 773.9,1913.0 1613.0,1913.0 1613.0,0.0 1012.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[773.9,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48224066410188,40.65691811590634]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48086200429829,40.65803713801222]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47750547918244,40.65565329722586]}},{"type":"Feature","properties":{"resourceCoords":[773.9,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47888413898603,40.654534275119985]}},{"type":"Feature","properties":{"resourceCoords":[1177.5,1830.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4783667,40.6551759]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"530.3,1599.3 303.2,1598.0 321.5,0.0 1613.0,0.0 1613.0,1831.2 531.1,1863.5 530.3,1599.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[856.0,1491.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.477035,40.656733]}},{"type":"Feature","properties":{"resourceCoords":[530.0,1491.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4775778,40.6562829]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"97.1,1707.2 96.1,1164.8 1391.7,1160.6 1393.2,1712.0 97.1,1707.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47624415275156,40.65754053094176]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47361137182111,40.65973810866608]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47019975368389,40.65735271666522]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47283253461434,40.6551551389409]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p6 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"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":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,551.2 1613.0,-0.0 389.5,0.0 390.4,357.5 0.0,356.0 0.0,1501.0 307.3,1913.0 371.0,1913.0 573.0,1913.0 1613.0,1913.0 1613.0,1784.2 1032.4,948.6 1280.3,778.9 1498.5,786.0 1500.8,628.0 1613.0,551.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1220.0,429.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.469686,40.659456]}},{"type":"Feature","properties":{"resourceCoords":[1596.0,1655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.472356,40.658309]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1570.9,265.9 1583.5,1913.0 -0.0,1913.0 -0.0,-0.0 163.2,0.0 163.3,141.2 1003.2,145.5 1003.1,0.0 1236.2,0.0 1240.5,271.2 1570.9,265.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.4793980911199,40.65449176773552]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47676508589343,40.6566509525496]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47341332212844,40.654265178326746]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47604632735491,40.65210599351267]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"102.6,31.7 430.8,0.0 1411.8,18.6 1408.9,768.6 752.8,774.8 753.2,1325.4 1409.1,1322.2 1408.0,1913.0 1078.7,1913.0 99.5,1655.2 102.6,31.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47658965824847,40.65616503719527]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47398152575279,40.6583173188718]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47061736504789,40.655970318112615]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47322549754357,40.653818036436085]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Catasauqua, Pennsylvania | 1913 | sanborn07570_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T20:17:57Z","modified":"2026-09-22T20:17:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"725.0,872.2 718.8,316.8 64.3,324.1 62.1,64.8 394.3,63.0 394.1,0.0 1613.0,0.0 1613.0,298.7 1484.7,472.7 1613.0,564.2 1613.0,1913.0 903.6,1913.0 399.2,1640.0 -0.0,1530.0 -0.0,1460.0 74.3,1459.8 69.8,873.6 725.0,872.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47363445902779,40.657420623613795]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47099711717382,40.65958511361046]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46763697023384,40.657195515062575]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47027431208781,40.65503102506591]}}]}}]}