{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn07547_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bridgeport, Pennsylvania | 1920 | 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":"18"},{"label":"placed","value":"13"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 6, georef 5, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 40.10080,-75.32711 +/-230m); p12__2 (tier 2, 40.10422,-75.33291 +/-179m); p14 (tier 3, 40.10317,-75.32587 +/-480m); p15 (tier 3, 40.09531,-75.32365 +/-480m); p16 (tier 2, 40.10430,-75.32971 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridgeport, Pennsylvania | 1920 | sanborn07547_001 p10","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-22T16:36:40Z","modified":"2026-09-22T16:36:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"595.5,7368.7 534.2,7652.0 472.7,5167.4 3736.6,759.1 4896.5,1604.2 5903.4,234.7 5934.9,7282.3 595.5,7368.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2452.0,7280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3379229,40.1044099]}},{"type":"Feature","properties":{"resourceCoords":[5912.0,2600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.334427,40.1041162]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridgeport, Pennsylvania | 1920 | sanborn07547_001 p11 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2870.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T16:36:40Z","modified":"2026-09-22T16:36:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0011__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"258.1,476.2 272.2,6229.4 1350.3,6229.7 1353.7,7652.0 2297.6,7652.0 2870.0,6165.6 2853.4,475.9 258.1,476.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2001.4,5124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3363348,40.1023215]}},{"type":"Feature","properties":{"resourceCoords":[2001.4,476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3338908,40.1034156]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridgeport, Pennsylvania | 1920 | sanborn07547_001 p11 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"2297.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4154.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T16:36:40Z","modified":"2026-09-22T16:36:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0011__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6452.0,733.0 3025.3,1087.4 3023.9,0.0 2852.0,0.0 2870.0,6165.6 2297.6,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3025.3,1112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.349163,40.1030199]}},{"type":"Feature","properties":{"resourceCoords":[5272.5,1112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3478938,40.1025706]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridgeport, Pennsylvania | 1920 | sanborn07547_001 p12 [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":"2026-09-22T16:36:40Z","modified":"2026-09-22T16:36:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0012__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,4745.9 5814.3,4736.0 5957.8,-0.0 4963.2,0.0 4488.0,0.0 -0.0,0.0 -0.0,5749.6 213.7,5471.0 1352.8,6333.3 2385.1,4977.8 2346.7,7344.4 3253.5,7355.6 4098.6,7366.2 4939.8,7376.6 4971.5,7377.0 4966.3,7652.0 6452.0,7652.0 6452.0,4745.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0012__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":[-75.33137572425214,40.10681548795498]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.32935952559237,40.104254546583995]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.33330264096091,40.1024126947999]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.33531883962067,40.10497363617089]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridgeport, Pennsylvania | 1920 | sanborn07547_001 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T16:36:40Z","modified":"2026-09-22T16:36:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"944.1,6802.8 306.5,6801.0 387.9,2064.7 -0.0,2069.6 -0.0,0.0 6452.0,-0.0 6452.0,7652.0 954.9,7652.0 944.1,6802.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.32856109159235,40.10509345802791]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.32658665889142,40.10251242014274]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3305606152043,40.100708676425434]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.33253504790524,40.103289714310606]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridgeport, Pennsylvania | 1920 | sanborn07547_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T16:36:40Z","modified":"2026-09-22T16:36:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,-0.0 6452.0,0.0 6452.0,7158.5 5337.5,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3489155526311,40.110274650473634]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34534469232182,40.10893644484423]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34740524071684,40.105674518878786]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.35097610102613,40.10701272450818]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridgeport, Pennsylvania | 1920 | sanborn07547_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T16:36:40Z","modified":"2026-09-22T16:36:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"921.4,7634.3 2006.6,470.8 -0.0,166.9 -0.0,-0.0 6452.0,0.0 6452.0,2183.8 6063.4,2149.0 5441.7,6908.4 921.4,7634.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34642422829116,40.10942695064865]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34267881978373,40.10852667362184]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34406504183764,40.10510527432349]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34781045034507,40.1060055513503]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridgeport, Pennsylvania | 1920 | sanborn07547_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T16:36:40Z","modified":"2026-09-22T16:36:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4647.4,3155.6 5180.5,6689.9 653.4,7366.9 1460.3,2720.4 4647.4,3155.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34373620269582,40.10903291025483]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.33992146172794,40.10826400361015]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34110539651283,40.104779249876906]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34492013748071,40.105548156521586]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridgeport, Pennsylvania | 1920 | sanborn07547_001 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T16:36:40Z","modified":"2026-09-22T16:36:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"148.7,7652.0 219.2,645.8 5608.0,2283.9 6452.0,2313.4 6452.0,3467.3 634.6,7652.0 148.7,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34157186921385,40.10735142793088]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.33768344632274,40.10706721377961]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.33812105964675,40.10351507554835]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34200948253786,40.10379928969962]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridgeport, Pennsylvania | 1920 | sanborn07547_001 p6","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"}],"created":"2026-09-22T16:36:40Z","modified":"2026-09-22T16:36:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2918.0,5802.5 -0.0,794.1 -0.0,-0.0 6452.0,0.0 6452.0,7652.0 3885.7,7652.0 2883.9,7493.4 3661.1,6649.9 2918.0,5802.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34206076219787,40.107429460291705]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.33892114350014,40.10925568857782]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.33608644553789,40.10641066162053]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.33922606423562,40.104584433334416]}},{"type":"Feature","properties":{"resourceCoords":[256.0,1240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3414767,40.107042]}},{"type":"Feature","properties":{"resourceCoords":[256.0,1240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3414767,40.107042]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridgeport, Pennsylvania | 1920 | sanborn07547_001 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T16:36:40Z","modified":"2026-09-22T16:36:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1071.4,6546.1 328.8,6469.7 200.8,7652.0 -0.0,7652.0 -0.0,1111.9 738.9,1204.4 1804.7,869.2 6452.0,0.0 5845.3,6288.1 5918.7,6935.1 6452.0,6874.5 6452.0,7652.0 953.1,7652.0 1071.4,6546.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34821023449271,40.10654772479722]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3445168035189,40.105578732560865]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34600876740367,40.102204669624896]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34970219837749,40.10317366186125]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridgeport, Pennsylvania | 1920 | sanborn07547_001 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T16:36:40Z","modified":"2026-09-22T16:36:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7002.9 1342.3,788.3 5927.3,292.5 6308.1,3662.3 6452.0,3644.9 6452.0,3922.8 5921.9,4402.4 6452.0,4972.9 6452.0,5376.3 6315.4,5500.7 6452.0,5647.2 6452.0,7652.0 -0.0,7652.0 -0.0,7002.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34518305241916,40.10609384547695]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34135948447263,40.105450090095474]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3423506740826,40.10195712577822]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.34617424202912,40.102600881159695]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bridgeport, Pennsylvania | 1920 | sanborn07547_001 p9","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"21"}],"created":"2026-09-22T16:36:40Z","modified":"2026-09-22T16:36:40Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,1280.5 6452.0,7652.0 1149.8,7652.0 1152.4,7198.7 85.4,7197.0 145.9,240.1 5385.8,178.9 5385.8,1277.4 6452.0,1280.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075471920:07547_1920-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1968.0,3568.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3397305,40.1035962]}},{"type":"Feature","properties":{"resourceCoords":[1968.0,7200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3416576,40.1027287]}}]}}]}