{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn07669_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ford City, Pennsylvania | 1913 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"27"},{"label":"placed","value":"16"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 12, snap:0 3, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 22 panels"},{"label":"unplaced pages","value":"p11__1 (tier 1, 40.77239,-79.52335 +/-129m); p11__3 (tier 1, 40.76661,-79.52844 +/-100m); p12__1 (tier 1, 40.77030,-79.53268 +/-211m); p12__2 (tier 1, 40.76918,-79.53521 +/-215m); p13 (tier 1, 40.76393,-79.53748 +/-253m); p6__2 (tier 1, 40.76261,-79.53979 +/-105m); p7__1 (tier 3, 40.76979,-79.52834 +/-512m); p7__3 (tier 1, 40.76652,-79.52792 +/-100m); p8__2 (tier 1, 40.78006,-79.52383 +/-100m); p9__1 (tier 1, 40.76583,-79.53227 +/-114m); p9__2 (tier 1, 40.77739,-79.52499 +/-261m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3203.3,223.5 3217.7,1151.9 6452.0,1057.6 6452.0,7652.0 -0.0,7652.0 -0.0,0.0 1120.5,-0.0 1126.7,254.7 3203.3,223.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.53703369443146,40.762750448035575]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.5347165131421,40.76036949487039]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.53841850533881,40.75827327626193]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.54073568662817,40.76065422942712]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p10 [1]","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":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0010__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2264.0 -0.0,7652.0 6452.0,7652.0 6452.0,5120.4 5810.0,5118.0 4568.4,0.0 1208.7,0.0 1202.7,206.5 949.9,207.0 920.8,2270.3 -0.0,2264.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[900.0,3856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5354059,40.7609252]}},{"type":"Feature","properties":{"resourceCoords":[6132.0,6744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.531812,40.7613645]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p10 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"4568.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1883.6"},{"label":"split_canvas_h","value":"5120.4"}],"created":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0010__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,5031.8 6452.0,2066.1 5150.9,2018.5 5527.4,3572.3 5868.0,5012.4 6452.0,5031.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5528.2,3572.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.537752,40.75956]}},{"type":"Feature","properties":{"resourceCoords":[5868.1,5012.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5370149,40.7591404]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p11 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"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":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0011__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,7652.0 2600.8,7652.0 3360.0,7652.0 4020.0,7652.0 4382.4,7652.0 4382.1,7380.6 5861.5,7384.9 5852.6,0.0 4698.8,0.0 4173.2,1463.6 2985.6,1474.0 2985.6,4132.8 2584.0,4132.4 227.0,4130.9 0.0,4545.6 0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2488.0,5216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.530889,40.767659]}},{"type":"Feature","properties":{"resourceCoords":[2488.0,6320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5303438,40.7673869]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_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":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p14 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4043.6"},{"label":"split_canvas_w","value":"1869.6"},{"label":"split_canvas_h","value":"3608.4"}],"created":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0014__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"380.3,4471.2 371.6,4044.7 23.2,4043.7 19.6,7652.0 1869.6,7652.0 1868.8,5444.8 1578.4,4462.3 380.3,4471.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0014__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,4043.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.5384959939861,40.764477848040684]}},{"type":"Feature","properties":{"resourceCoords":[1869.6,4043.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.53755668767101,40.76399154866434]}},{"type":"Feature","properties":{"resourceCoords":[1869.6,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.53879882288295,40.762616608429276]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.53973812919804,40.76310290780562]}},{"type":"Feature","properties":{"resourceCoords":[380.3,4471.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5384521,40.764216]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p14 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0014__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3868.4 6027.6,2399.2 6452.0,2283.0 6452.0,1931.7 5426.7,1937.8 5417.0,-0.0 -0.0,0.0 0.0,4043.6 1413.6,4047.6 1456.0,4048.0 1868.8,5444.8 1869.6,7652.0 6452.0,7652.0 6452.0,3868.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0014__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":[-79.54177355294436,40.7652575188931]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.53854259352705,40.76356315673395]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.54119708379346,40.76066235654691]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.54442804321077,40.76235671870606]}},{"type":"Feature","properties":{"resourceCoords":[5848.0,2536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5397248,40.7627604]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p2 [1]","metadata":[{"label":"streets","value":"6"},{"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":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6449.8,2248.8 4358.4,2261.2 4347.6,0.0 -0.0,0.0 95.6,7357.0 6452.0,7350.4 6449.8,2248.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4324.0,4088.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5264806,40.7744827]}},{"type":"Feature","properties":{"resourceCoords":[2220.0,808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5264434,40.7762765]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"4347.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2104.4"},{"label":"split_canvas_h","value":"2261.2"}],"created":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 4347.6,-0.0 4358.4,2261.2 6452.0,2248.8 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[4347.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.5259315915234,40.777743404240006]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.52486283240634,40.7772521069761]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,2261.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.5255535070924,40.776378278276695]}},{"type":"Feature","properties":{"resourceCoords":[4347.6,2261.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.52662226620946,40.776869575540594]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"508.5,0.0 498.1,457.2 5747.5,466.4 5713.3,6565.6 -0.0,6538.6 -0.0,0.0 508.5,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.52982190525083,40.774603810809985]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.52658904825657,40.77300271624886]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.52907887978485,40.77007859942523]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.5323117367791,40.77167969398636]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1930.9,6620.1 -0.0,6633.4 -0.0,-0.0 5855.4,0.0 5805.7,3820.1 6452.0,3818.5 6452.0,7098.3 2794.2,7109.3 2821.4,3827.2 1927.6,3829.4 1930.9,6620.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4920.0,7100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5319483,40.7681878]}},{"type":"Feature","properties":{"resourceCoords":[2816.0,536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5308162,40.7712424]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"746.4,6610.5 431.1,6611.8 426.9,6964.6 197.1,7077.9 199.5,7652.0 -0.0,7652.0 -0.0,-0.0 2001.7,0.0 1999.0,488.0 6452.0,513.7 6452.0,7101.4 742.3,7083.7 746.4,6610.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[784.0,3796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5351635,40.7679831]}},{"type":"Feature","properties":{"resourceCoords":[2872.0,500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5330293,40.7687236]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p6 [1]","metadata":[{"label":"streets","value":"4"},{"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":"7652.0"}],"created":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0006__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1971.0,7042.3 1954.4,7652.0 2864.0,7652.0 3947.2,7652.0 5736.8,4561.6 6452.0,4545.2 6452.0,0.0 6186.9,0.0 6184.8,508.9 539.1,467.8 545.0,0.0 233.3,0.0 227.7,348.8 -0.0,459.9 -0.0,7652.0 106.4,7652.0 136.8,6575.8 485.0,6585.1 482.1,7013.5 1971.0,7042.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2572.0,3772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5363139,40.7649496]}},{"type":"Feature","properties":{"resourceCoords":[2572.0,480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.535228,40.7662249]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0006__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p6 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"4913.6"},{"label":"split_canvas_y","value":"5301.2"},{"label":"split_canvas_w","value":"1538.4"},{"label":"split_canvas_h","value":"2350.8"}],"created":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0006__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,5605.3 6314.2,5511.8 4913.6,7652.0 6452.0,7652.0 6452.0,5605.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0006__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[4913.6,5301.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.53825339171422,40.76240946707979]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,5301.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.53855866649077,40.761743221722064]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.53989271042268,40.7620988433612]}},{"type":"Feature","properties":{"resourceCoords":[4913.6,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.53958743564613,40.76276508871893]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p7 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"1860.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4591.2"},{"label":"split_canvas_h","value":"3864.8"}],"created":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0007__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3228.6,2169.1 3228.6,3144.7 1887.4,3139.1 1894.0,3864.8 6452.0,3835.2 6452.0,3166.3 6296.7,3167.1 6334.2,0.0 3228.5,0.0 3228.5,614.2 1866.0,610.9 1879.1,2163.4 3228.6,2169.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3228.6,3144.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5287201,40.7683862]}},{"type":"Feature","properties":{"resourceCoords":[3228.6,1144.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.529789,40.7689183]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0007__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p7 [4]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3835.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3816.8"}],"created":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0007__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"118.8,6909.3 272.5,6910.0 270.4,7599.5 0.0,7652.0 6452.0,7652.0 6349.7,3835.9 1894.0,3864.8 485.6,3874.4 164.8,3875.7 118.8,6909.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0007__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3236.0,4938.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5275964,40.7714278]}},{"type":"Feature","properties":{"resourceCoords":[6284.0,6940.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5254352,40.7721408]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ford City, Pennsylvania | 1913 | sanborn07669_004 p8 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"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":"2026-09-23T06:40:03Z","modified":"2026-09-23T06:40:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0008__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 6452.0,7652.0 6452.0,2439.6 4448.8,2453.6 4449.6,0.0 -0.0,0.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824fm:g3824fm_g076691913:07669_1913-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4264.0,4184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5217747,40.7805637]}},{"type":"Feature","properties":{"resourceCoords":[4016.0,2780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.5214599,40.781305]}}]}}]}