{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/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://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,615.7 6183.7,607.6 5860.4,3567.4 6252.9,7402.7 3544.1,7401.2 3544.0,7652.0 -0.0,7652.0 -0.0,615.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6056.0,5084.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.471532,40.652788]}},{"type":"Feature","properties":{"resourceCoords":[3528.0,488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.474605,40.653371]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3255.3,7024.4 188.7,7514.2 181.9,979.4 400.5,-0.0 1935.1,-0.0 5807.4,958.9 6043.4,-0.0 6452.0,-0.0 6236.5,5830.3 3255.3,7024.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46768305559137,40.65367570125425]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.4715767394358,40.651798261620804]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47364872347673,40.6543065591806]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"724.8,5423.8 781.0,2719.7 132.4,2722.5 930.2,-0.0 1477.6,-0.0 3628.7,1461.7 4626.2,-0.0 5862.7,-0.0 5780.9,634.7 6452.0,721.2 6452.0,1652.4 5579.3,1630.4 5530.4,7082.5 5302.0,7081.9 5284.6,7652.0 930.3,7652.0 975.2,5429.0 724.8,5423.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[392.0,1820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.470239,40.65256]}},{"type":"Feature","properties":{"resourceCoords":[2308.0,7124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4715069,40.6501571]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 0.0,-0.0 707.0,0.0 714.9,227.2 6135.5,110.9 6130.7,149.7 6146.2,979.5 6452.0,970.2 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46773633955092,40.65118244509514]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46438146351133,40.64873837722478]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46707858173133,40.64657701004907]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0014__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1700.2,1853.7 2523.8,1862.0 2110.8,1569.1 3201.6,0.0 -0.0,-0.0 -0.0,180.8 406.1,179.8 381.4,2096.8 1696.8,2102.9 1700.2,1853.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[3201.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47321345655399,40.659037863164066]}},{"type":"Feature","properties":{"resourceCoords":[3201.6,2326.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47216344274331,40.65831621285706]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2326.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47347094274332,40.657221212857046]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0014__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4912.9,4775.1 6452.0,5222.8 6452.0,1526.4 3188.0,1680.8 3182.0,2326.8 0.0,2316.4 -0.0,7652.0 5052.7,7652.0 4912.9,4775.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0014__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5804.0,2965.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.464445,40.652437]}},{"type":"Feature","properties":{"resourceCoords":[-1132.0,1446.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.46782,40.651041]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2600.2,7176.9 3045.6,6414.0 2411.6,2051.2 3048.8,448.0 3049.1,446.8 -0.0,443.9 -0.0,7566.3 868.0,7477.3 2465.5,6714.0 2600.2,7176.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1423.6,5460.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.462667,40.651448]}},{"type":"Feature","properties":{"resourceCoords":[1423.6,1900.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.460733,40.652124]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2788.0,7652.0 6452.0,7652.0 6452.0,-0.0 3147.2,0.0 3048.8,448.0 2411.6,2051.2 3045.6,6414.0 2322.8,7652.0 2788.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0015__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4193.5,2740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.457292,40.653343]}},{"type":"Feature","properties":{"resourceCoords":[4193.5,6352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.459248,40.652661]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0016__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3375.9,7498.8 3526.7,5758.2 3671.2,5676.9 3669.2,5211.2 2367.6,5204.8 2359.6,4557.2 0.0,3994.4 -0.0,5421.5 271.0,7246.4 3375.9,7498.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[240.0,5713.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.468222,40.653341]}},{"type":"Feature","properties":{"resourceCoords":[2187.8,4450.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.467103,40.652676]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0017/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4184.8,7229.1 234.3,7247.5 234.5,7125.0 -0.0,7125.8 -0.0,-0.0 6452.0,-0.0 6452.0,1891.9 6141.0,1738.8 6184.7,7215.0 6452.0,7214.6 6452.0,7652.0 5715.7,7504.7 5662.4,7652.0 4194.9,7652.0 4184.8,7229.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[192.0,3952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4922199,40.6735871]}},{"type":"Feature","properties":{"resourceCoords":[4120.0,1696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.489634,40.672913]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4351.8,7377.5 4330.9,6285.2 4583.6,6289.6 4583.6,6264.0 3815.5,5864.3 4702.2,4108.9 4904.4,4211.3 5148.8,3785.6 6452.0,3797.2 6452.0,1305.2 4924.8,1296.0 2874.4,2020.0 1924.0,0.0 -0.0,-0.0 -0.0,189.4 675.1,195.0 659.4,2077.2 351.3,1922.4 349.5,7371.0 615.5,7372.8 613.2,7652.0 822.6,7373.0 4351.8,7377.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2340.0,6284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.490026,40.670186]}},{"type":"Feature","properties":{"resourceCoords":[4252.0,4984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.488667,40.669926]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,-0.0 5759.6,0.0 5259.6,0.0 1924.0,-0.0 2874.4,2020.0 4924.8,1296.0 6452.0,1305.2 6452.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0018__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2860.0,164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.497527,40.673228]}},{"type":"Feature","properties":{"resourceCoords":[2860.0,1304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.497535,40.672754]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4028.0,6633.2 4418.0,7652.0 4727.8,7551.8 4727.1,7652.0 6452.0,7652.0 6452.0,-0.0 3858.1,-0.0 4449.2,1628.7 2515.7,1394.8 2282.7,3333.9 3191.6,3454.3 2906.4,3552.2 3296.0,4564.8 -0.0,5756.3 -0.0,6920.8 1582.1,6357.2 1841.3,6359.2 2187.4,7301.5 4028.0,6633.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2392.0,2364.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.488667,40.669926]}},{"type":"Feature","properties":{"resourceCoords":[2188.0,7300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.491514,40.669168]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,5583.2 1750.5,4982.7 2042.4,4868.3 1352.6,3012.1 1985.9,2773.9 2080.3,1946.1 1720.4,797.2 2211.9,793.4 2302.4,0.0 -0.0,-0.0 0.0,5583.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0019__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[327.8,3391.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.492008,40.668835]}},{"type":"Feature","properties":{"resourceCoords":[1351.1,3011.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.491514,40.669168]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0020__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0020/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,5542.7 0.0,7652.0 2379.6,7652.0 2369.6,6519.6 1784.8,6514.4 1792.4,5698.0 595.6,5193.5 0.0,5542.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[0.0,4942.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48952487740924,40.6618411507637]}},{"type":"Feature","properties":{"resourceCoords":[2379.6,4942.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48977377046296,40.65967865861934]}},{"type":"Feature","properties":{"resourceCoords":[2379.6,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.49301927946406,40.65989399130302]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.49277038641034,40.66205648344738]}},{"type":"Feature","properties":{"resourceCoords":[1779.7,6828.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.491969,40.6603725]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0020__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0020/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3664.1,6444.9 4024.8,3998.3 6220.7,4005.8 6216.6,530.3 6452.0,458.4 6452.0,-0.0 -0.0,0.0 0.0,4942.4 1792.4,5698.0 1784.8,6514.4 2369.6,6519.6 2379.6,7652.0 3486.2,7652.0 3502.5,7541.6 5257.2,7543.4 6452.0,7284.7 6452.0,5118.4 6194.0,5194.7 6184.8,6310.0 6028.2,6453.0 3664.1,6444.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3456.0,5220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.491001,40.662116]}},{"type":"Feature","properties":{"resourceCoords":[3456.0,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.488217,40.662241]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2177.4 328.4,2474.2 2520.8,2473.2 6452.0,2470.8 6452.0,538.2 6226.3,537.3 6217.9,118.0 -0.0,0.0 0.0,2177.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2320.0,2330.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4947,40.671897]}},{"type":"Feature","properties":{"resourceCoords":[6220.0,1219.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.492624,40.670886]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6329.6,7211.7 6199.7,4998.3 2520.8,4886.8 2520.8,2473.2 1427.1,2473.7 1332.1,2749.0 1084.5,2740.0 313.3,4963.5 416.0,7164.1 2260.5,7185.4 2018.2,7652.0 4492.0,7652.0 5225.2,7652.0 5207.7,7206.1 6329.6,7211.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2784.0,5112.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.489001,40.659851]}},{"type":"Feature","properties":{"resourceCoords":[416.0,7164.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.490683,40.660492]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0021/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4006.5,4912.9 5113.1,4895.3 5088.8,4454.3 6452.0,4425.7 6452.0,2470.8 2520.8,2473.2 2520.8,3819.0 3948.2,3712.7 4006.5,4912.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[2520.8,2470.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.49040453037192,40.65694238057089]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,2470.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.49127157727115,40.65863438142539]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,5006.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48984081701815,40.65906225623173]}},{"type":"Feature","properties":{"resourceCoords":[2520.8,5006.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48897377011892,40.65737025537723]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0022__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0022/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1588.0,7652.0 2708.4,5591.6 4480.0,5565.2 4432.8,1040.8 6452.0,607.6 6452.0,-0.0 -0.0,-0.0 -0.0,1640.7 466.4,1665.7 434.1,7652.0 1588.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.4843434736038,40.6568023848967]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48846294033585,40.655291283306916]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.4901307186505,40.65794488132738]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0022__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0022/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4865.6,7652.0 6452.0,7652.0 6452.0,607.6 4432.8,1040.8 4480.0,5565.2 2708.4,5591.6 1588.0,7652.0 4865.6,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[1588.0,607.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47145916539924,40.64560549770347]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,607.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46969832139956,40.64737549313655]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.4663203184359,40.64543827886622]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46808116243558,40.64366828343314]}},{"type":"Feature","properties":{"resourceCoords":[1708.0,6608.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.468538,40.643999]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0023__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0023/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7243.7 6251.3,7243.3 6196.0,2628.0 5866.9,2628.0 5869.1,1391.5 6452.0,1374.3 6452.0,-0.0 -0.0,0.0 0.0,4679.6 4718.0,5758.8 4725.2,7652.0 4964.0,7652.0 6452.0,7652.0 6452.0,7243.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0023__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4540.0,2628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4786965,40.6507902]}},{"type":"Feature","properties":{"resourceCoords":[6196.0,2628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4780205,40.6502186]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0024/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0024/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4655.4,0.0 5902.8,0.0 5921.2,588.0 6452.0,587.1 6452.0,7652.0 4667.6,7652.0 4676.7,7066.3 782.7,7107.0 784.2,6829.7 457.3,6829.7 457.2,7652.0 -0.0,7652.0 -0.0,396.0 4656.0,332.0 4655.4,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4656.0,5292.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4760174,40.6485189]}},{"type":"Feature","properties":{"resourceCoords":[4656.0,332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4780205,40.6502186]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"129.2,7074.7 160.8,7652.0 3025.4,7652.0 3800.4,7062.1 3800.4,6309.6 2136.0,5600.4 305.4,5413.2 281.3,7078.0 129.2,7074.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1536.2,7092.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.471538,40.646471]}},{"type":"Feature","properties":{"resourceCoords":[304.0,5374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.472455,40.647032]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,5382.0 2136.0,5600.4 3800.4,6309.6 3800.4,7652.0 6409.1,7652.0 6452.0,7170.8 5426.8,6667.6 6452.0,4882.1 6452.0,0.0 6042.9,0.0 6043.1,827.9 4244.4,828.2 4253.3,237.8 328.0,279.5 329.5,0.0 -0.0,-0.0 0.0,5382.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0025__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4124.0,5404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.473279,40.646121]}},{"type":"Feature","properties":{"resourceCoords":[2912.0,248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4758885,40.6475061]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0026__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0026/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5090.2,5626.2 5494.7,5662.2 6362.8,5625.4 6452.0,5043.8 6452.0,0.0 -0.0,-0.0 0.0,5380.0 973.2,5037.2 1017.6,4756.8 1597.6,4760.8 1895.6,4762.8 1955.2,4520.0 1936.0,4763.2 3248.8,4772.0 3242.0,5757.6 5089.6,5679.3 5090.2,5626.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0026__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4032.0,3597.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.472362,40.640098]}},{"type":"Feature","properties":{"resourceCoords":[5132.0,1400.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.472229,40.641225]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"371.6,7652.0 361.8,7336.7 2541.9,7337.4 2551.5,7652.0 3564.9,7652.0 3557.4,7403.5 4959.6,7474.3 5036.6,6080.9 5049.2,1408.4 5178.2,1408.7 4870.9,0.0 3784.9,0.0 4019.7,1036.7 2890.1,1279.5 2874.0,2062.7 -0.0,2693.0 -0.0,7652.0 371.6,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1760.0,5992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.470703,40.63475]}},{"type":"Feature","properties":{"resourceCoords":[1760.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.470943,40.637153]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6091.9,7203.2 6189.5,7602.8 5993.6,7652.0 6452.0,7652.0 6452.0,1533.9 6202.4,1671.8 5048.5,1679.9 5045.6,2728.9 5102.2,7206.9 6091.9,7203.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0027__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5100.4,4508.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4688892,40.6548583]}},{"type":"Feature","properties":{"resourceCoords":[5100.4,1684.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.469423,40.65608]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,1668.1 2115.6,1293.3 2219.9,1853.0 3280.8,1674.4 3265.2,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[3280.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46784947457633,40.64018197344138]}},{"type":"Feature","properties":{"resourceCoords":[3280.8,2226.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46916689284873,40.64027784107173]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2226.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46898220364677,40.64175992052026]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1091.8,5470.8 3613.2,5611.2 5721.6,7652.0 5844.0,7652.0 6452.0,7652.0 6452.0,0.0 3265.2,0.0 3280.8,1674.4 0.0,2226.8 -0.0,3151.1 1091.8,5470.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3032.0,4064.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.469566,40.640659]}},{"type":"Feature","properties":{"resourceCoords":[932.0,4684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.470838,40.640441]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"305.5,7596.4 5721.6,7652.0 3613.2,5611.2 372.8,5430.8 305.5,7596.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0028__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2336.7,6153.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4704934,40.6332572]}},{"type":"Feature","properties":{"resourceCoords":[304.1,6153.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4706214,40.6341675]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0030__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0030/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4150.0,0.0 4010.8,2009.6 1651.9,2009.4 1648.0,2244.0 286.0,2227.9 302.6,2468.4 -0.0,2480.1 -0.0,7652.0 6452.0,7652.0 6452.0,0.0 4150.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0030__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2924.0,4888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.467893,40.632983]}},{"type":"Feature","properties":{"resourceCoords":[1648.0,2244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.468736,40.634192]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0030__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0030/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2009.2 2110.0,2009.4 2200.8,1631.9 2773.4,1634.3 2769.6,1107.1 3295.3,1222.5 3294.7,2009.5 4010.8,2009.6 4150.0,0.0 -0.0,-0.0 0.0,2009.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[4150.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46856265929301,40.63884845867687]}},{"type":"Feature","properties":{"resourceCoords":[4150.0,2009.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46786981197089,40.637094190139564]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2009.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47264736220386,40.636006473861904]}},{"type":"Feature","properties":{"resourceCoords":[1667.2,-48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.471438,40.638241]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0003__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4049.2,0.0 3299.6,3924.0 3099.2,3924.0 3095.6,7652.0 6452.0,7652.0 6452.0,0.0 4049.2,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[3095.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48224066410188,40.65691811590634]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.48086200429829,40.65803713801222]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47750547918244,40.65565329722586]}},{"type":"Feature","properties":{"resourceCoords":[3095.6,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47888413898603,40.654534275119985]}},{"type":"Feature","properties":{"resourceCoords":[4709.9,7320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4783667,40.6551759]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2121.3,6397.2 1212.7,6392.1 1286.1,0.0 6452.0,0.0 6452.0,7324.6 2124.6,7453.9 2121.3,6397.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3424.0,5964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.477035,40.656733]}},{"type":"Feature","properties":{"resourceCoords":[2120.0,5964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.4775778,40.6562829]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"388.4,6829.0 384.4,4659.2 5566.9,4642.3 5572.9,6847.8 388.4,6829.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47361137182111,40.65973810866608]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47019975368389,40.65735271666522]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47283253461434,40.6551551389409]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0006__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,2204.8 6452.0,-0.0 1558.0,0.0 1561.6,1430.0 0.0,1424.0 0.0,6004.0 1229.2,7652.0 1484.0,7652.0 2292.0,7652.0 6452.0,7652.0 6452.0,7137.0 4129.5,3794.5 5121.2,3115.7 5993.9,3144.2 6003.2,2512.0 6452.0,2204.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4880.0,1716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.469686,40.659456]}},{"type":"Feature","properties":{"resourceCoords":[6384.0,6620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.472356,40.658309]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6283.5,1063.5 6333.9,7652.0 -0.0,7652.0 -0.0,-0.0 652.6,0.0 653.2,564.8 4013.0,582.0 4012.4,0.0 4944.8,0.0 4961.8,1084.9 6283.5,1063.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47676508589343,40.6566509525496]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47341332212844,40.654265178326746]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47604632735491,40.65210599351267]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"410.3,126.9 1723.1,0.0 5647.3,74.6 5635.5,3074.3 3011.1,3099.0 3012.8,5301.5 5636.3,5289.0 5632.1,7652.0 4314.8,7652.0 397.8,6620.9 410.3,126.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47398152575279,40.6583173188718]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47061736504789,40.655970318112615]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47322549754357,40.653818036436085]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/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://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075701913:07570_1913-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2900.0,3488.9 2875.2,1267.1 257.2,1296.6 248.5,259.3 1577.2,252.2 1576.4,0.0 6452.0,0.0 6452.0,1194.8 5938.8,1890.8 6452.0,2257.0 6452.0,7652.0 3614.4,7652.0 1596.7,6559.9 -0.0,6119.8 -0.0,5840.1 297.3,5839.3 279.0,3494.3 2900.0,3488.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/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":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47099711717382,40.65958511361046]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.46763697023384,40.657195515062575]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.47027431208781,40.65503102506591]}}]}}]}