{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn07516_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Beaver Falls, Pennsylvania | 1921 | 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":"47"},{"label":"placed","value":"36"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 29, georef-snap 4, snap:0 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 16 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 40.76075,-80.31953 +/-131m); p12__1 (tier 2, 40.74408,-80.31892 +/-100m); p12__2 (tier 2, 40.74408,-80.31892 +/-100m); p19 (tier 1, 40.75924,-80.32069 +/-259m); p28__2 (tier 1, 40.76918,-80.31503 +/-100m); p28__3 (tier 1, 40.76178,-80.32410 +/-100m); p29__2 (tier 1, 40.77125,-80.33233 +/-119m); p32 (tier 1, 40.77842,-80.32754 +/-256m); p34__1 (tier 1, 40.75753,-80.33505 +/-127m); p37 (tier 1, 40.73875,-80.32740 +/-258m); p8__2 (tier 1, 40.75512,-80.31557 +/-117m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p10","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,-0.0 1087.0,0.0 1093.5,368.0 5453.0,333.1 5364.7,4939.9 4901.7,4945.4 4896.6,5632.3 6452.0,5643.8 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4404.0,2232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3203351,40.7457328]}},{"type":"Feature","properties":{"resourceCoords":[1092.0,368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3223195,40.746634]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p11","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"469.8,6945.8 524.7,2270.7 3057.8,2209.6 3025.8,465.7 4396.3,1371.4 5324.3,0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0 -0.0,6954.9 469.8,6945.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3092.0,4140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3181641,40.7457056]}},{"type":"Feature","properties":{"resourceCoords":[496.0,416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3196438,40.7474386]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p13","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3252.0,6376.0 3249.6,6007.3 2161.0,5995.2 2142.6,7652.0 -0.0,7652.0 -0.0,1773.5 3246.9,1787.2 3252.0,1124.0 4504.6,1138.4 4472.5,2904.5 6452.0,2910.2 6452.0,4525.0 5392.4,4547.1 5385.0,6382.5 3252.0,6376.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3252.0,6376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3223195,40.746634]}},{"type":"Feature","properties":{"resourceCoords":[3252.0,1124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3222681,40.7490527]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p14","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"9"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0014/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"481.5,974.9 920.6,590.9 6064.0,552.0 6070.5,7652.0 -0.0,7652.0 -0.0,1250.3 480.2,1244.8 498.3,1120.5 481.5,974.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5012.0,2708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3228616,40.75104]}},{"type":"Feature","properties":{"resourceCoords":[6064.0,552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3221937,40.7520256]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p15","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0015/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6105.8,6998.1 3197.1,7000.0 2705.0,7238.6 2639.9,7652.0 -0.0,7652.0 -0.0,-0.0 6164.6,0.0 6105.8,6998.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6160.0,520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3234323,40.7550192]}},{"type":"Feature","properties":{"resourceCoords":[5048.0,6988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3241419,40.7520531]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p16","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0016/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1096.0,7016.0 1095.8,1687.8 4002.7,1689.8 4003.9,0.0 6452.0,0.0 6452.0,7652.0 3040.6,7652.0 3041.4,7019.4 1096.0,7016.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1096.0,4872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3127031,40.7558678]}},{"type":"Feature","properties":{"resourceCoords":[1096.0,7016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3127248,40.7548709]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p17","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0017/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1024.0,556.0 2993.2,559.5 2992.4,1199.9 6445.5,1200.0 6452.0,7652.0 1722.3,7652.0 2043.0,7041.0 1024.0,7036.0 1024.0,556.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1024.0,7036.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3127894,40.7518942]}},{"type":"Feature","properties":{"resourceCoords":[1024.0,556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3127248,40.7548709]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p18","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0018/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0018/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,3230.0 184.4,2966.6 -0.0,1357.7 3536.1,1373.8 3538.0,945.9 5407.8,945.0 5408.0,6548.0 6452.0,6549.3 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5408.0,4464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3206731,40.7615015]}},{"type":"Feature","properties":{"resourceCoords":[5408.0,6548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3206952,40.7605417]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"13"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"941.6,4605.5 1991.7,4564.5 1962.6,2963.4 -0.0,2993.3 -0.0,1241.6 5610.6,1140.8 5661.3,6333.3 3181.9,6392.3 967.3,6425.5 941.6,4605.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2132.0,6408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3203088,40.7466048]}},{"type":"Feature","properties":{"resourceCoords":[5600.0,2908.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3181101,40.7481742]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0020__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p20 [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":"3711.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0020__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0020/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"149.5,3654.2 306.7,6302.4 192.0,6302.9 198.2,7652.0 3710.8,7652.0 3710.8,7226.8 3449.9,7228.0 3417.3,931.8 419.5,1536.8 109.4,0.0 -0.0,0.0 -0.0,3540.4 149.5,3654.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0020__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2299.8,3120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3225815,40.7650545]}},{"type":"Feature","properties":{"resourceCoords":[3415.6,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3218648,40.7662095]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0020__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p20 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"3710.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2741.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0020__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0020/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6135.0,535.4 3988.7,534.1 3982.8,7008.9 6452.0,7032.6 6452.0,4862.0 6137.7,4862.9 6135.0,535.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6136.3,2700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3209142,40.7510133]}},{"type":"Feature","properties":{"resourceCoords":[4002.5,2700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.322209,40.751031]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p21","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0021/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0021/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"530.0,575.8 2696.0,339.8 2698.5,0.0 6452.0,0.0 6452.0,6175.2 6226.8,6175.8 6274.9,7330.6 5089.0,7331.2 5088.5,6178.9 4883.7,6179.4 4884.1,7331.3 534.1,7332.9 530.0,575.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2696.0,7332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3206359,40.7631222]}},{"type":"Feature","properties":{"resourceCoords":[2696.0,340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3205628,40.7662996]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p22","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0022/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0022/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1194.2,7011.6 1135.5,605.8 5404.5,569.6 5459.4,6978.3 1194.2,7011.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3280.0,4856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3166309,40.7559206]}},{"type":"Feature","properties":{"resourceCoords":[3280.0,2712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3165966,40.7569179]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p23","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0023/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0023/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1156.7,6966.0 1181.9,573.1 5400.6,590.2 5381.9,6986.3 1156.7,6966.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3272.0,4840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3140062,40.7558853]}},{"type":"Feature","properties":{"resourceCoords":[3272.0,6976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.314024,40.754889]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p24","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"23"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0024/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0024/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5466.2,6924.1 1175.4,6917.4 1174.1,459.1 5479.8,464.2 5466.2,6924.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3312.0,2616.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3166678,40.7539323]}},{"type":"Feature","properties":{"resourceCoords":[2256.0,2616.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3173103,40.7539406]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p25","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"22"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0025/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0025/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5407.3,7025.2 1109.9,6978.1 1188.4,512.8 5468.2,561.1 5407.3,7025.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3304.0,4844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3140588,40.7529055]}},{"type":"Feature","properties":{"resourceCoords":[3304.0,2688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3140496,40.7538984]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0026/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0026/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6314.0,0.0 6452.0,210.8 6452.0,2859.0 6336.9,2852.7 6238.0,4645.2 6358.7,5801.0 6239.3,6051.8 6160.4,6051.8 6093.4,7265.6 5409.4,7274.3 5398.1,7577.8 -0.0,7652.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.32783455875762,40.76481412732882]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.32390928569161,40.76492665213382]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.32373432492298,40.761375750263866]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.32765959798898,40.76126322545886]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p27","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"19"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0027/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0027/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5428.1,305.0 5443.5,0.0 6126.5,0.0 5909.5,3180.8 6452.0,3217.8 6404.0,7652.0 -0.0,7652.0 37.1,310.4 850.2,309.6 851.5,214.0 5428.1,305.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1692.0,4204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3265317,40.7595061]}},{"type":"Feature","properties":{"resourceCoords":[4488.0,4204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3248292,40.7595715]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0028__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p28 [1]","metadata":[{"label":"streets","value":"8"},{"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":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0028__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0028/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,-0.0 2644.0,0.0 1768.0,0.0 1250.4,0.0 809.2,0.0 -0.0,0.0 0.0,5127.2 446.0,5151.2 428.2,5368.6 1438.5,5418.0 1802.2,5555.9 1807.1,5717.1 1835.2,5719.2 1844.4,6778.0 1845.7,6986.2 1866.0,7652.0 6452.0,7652.0 6452.0,6865.2 6452.0,4575.0 6133.6,4512.5 6312.4,2370.1 5984.0,2302.9 6452.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0028__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3864.0,5212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3225271,40.7671796]}},{"type":"Feature","properties":{"resourceCoords":[5120.0,2136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.32055,40.7668595]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0029__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p29 [1]","metadata":[{"label":"streets","value":"4"},{"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":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0029__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0029/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3576.8 3191.2,3582.0 3196.4,1001.6 3198.4,0.0 -0.0,0.0 0.0,3839.2 -0.0,7652.0 4440.0,7652.0 5576.0,7652.0 6452.0,7652.0 6452.0,3576.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0029__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2416.0,5224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3145473,40.7675255]}},{"type":"Feature","properties":{"resourceCoords":[6256.0,5224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3143468,40.7657448]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p3","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"25"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5668.8,7014.1 1227.1,7054.5 1217.9,4892.5 904.5,4894.7 883.5,584.4 5613.9,567.0 5668.8,7014.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1856.0,4888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3203579,40.7500135]}},{"type":"Feature","properties":{"resourceCoords":[3128.0,576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3195253,40.751988]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0030/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0030/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 6452.0,7652.0 -0.0,7652.0 -0.0,-0.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.31701979257299,40.73667096739265]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.31369249270668,40.738631643969164]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.31064503025448,40.7356205747106]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.31397233012079,40.73365989813409]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p31","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0031/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0031/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 -0.0,7652.0 -0.0,-0.0 6452.0,-0.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2052.0,2960.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3322146,40.7860132]}},{"type":"Feature","properties":{"resourceCoords":[4128.0,2712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3314263,40.7852578]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0033__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p33 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3806.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3845.2"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0033__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0033/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7106.0 4996.7,7108.0 4997.1,7652.0 6452.0,7652.0 6452.0,3806.8 4110.0,3815.7 4112.4,4786.5 3408.8,4788.2 3409.7,4574.0 3305.2,4402.0 2980.5,4334.3 739.7,4333.7 739.8,4794.6 163.8,4796.0 163.3,4332.8 -0.0,4332.6 -0.0,7106.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0033__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2344.0,5369.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3158767,40.7595125]}},{"type":"Feature","properties":{"resourceCoords":[740.0,5369.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3178439,40.7595381]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0033__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p33 [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":"6452.0"},{"label":"split_canvas_h","value":"3831.2"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0033__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0033/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1222.8,3826.6 2314.7,3822.4 2315.8,3364.4 2480.1,3365.0 2479.5,3821.8 3059.0,3819.6 3060.0,3367.3 4687.0,3373.5 4687.0,3371.6 5640.9,3442.2 5745.6,3615.6 5744.3,3809.5 6452.0,3806.8 6452.0,0.0 2450.0,0.0 2472.1,568.2 1888.4,567.0 1889.7,0.0 1788.9,0.0 1787.6,566.7 710.7,564.2 703.4,3358.3 1224.1,3360.3 1222.8,3826.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0033__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[708.0,1595.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3206578,40.7621696]}},{"type":"Feature","properties":{"resourceCoords":[3060.0,3367.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3178224,40.7605012]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0034__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p34 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"3918.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2534.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0034__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0034/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4076.5,3480.9 4076.5,6969.3 6220.2,6972.0 6220.0,241.5 6452.0,241.4 6452.0,0.0 3918.0,-0.0 3938.0,2784.4 3943.1,3482.1 4076.5,3480.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0034__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6220.2,4824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3208458,40.7539862]}},{"type":"Feature","properties":{"resourceCoords":[6220.2,6972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3208913,40.7520072]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0034__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p34 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2784.4"},{"label":"split_canvas_w","value":"3973.6"},{"label":"split_canvas_h","value":"4867.6"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0034__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0034/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 3973.6,7652.0 3938.0,2784.4 0.0,2786.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0034__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,2784.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.33197369751983,40.75816891244288]}},{"type":"Feature","properties":{"resourceCoords":[3973.6,2784.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.33194782763685,40.75450439080001]}},{"type":"Feature","properties":{"resourceCoords":[3973.6,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.33783527510825,40.75448020461507]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.33786114499122,40.758144726257946]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0035/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0035/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6452.0,0.0 6452.0,7652.0 4893.0,7652.0 4808.3,7109.3 1833.1,7542.0 1849.4,7652.0 -0.0,7652.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0035/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.32939053749804,40.78087425629503]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.32163312957505,40.78068936273415]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.32192067806464,40.77367337969276]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.32967808598764,40.77385827325364]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p36","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"16"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0036/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0036/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,138.9 2994.9,140.4 2999.4,691.2 4535.8,917.1 4670.2,0.0 6452.0,0.0 6452.0,7652.0 5840.1,7652.0 5724.4,5806.3 3035.9,5975.0 2988.0,6887.8 1936.2,6986.0 1978.0,7652.0 -0.0,7652.0 -0.0,138.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1924.0,1972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3249087,40.772442]}},{"type":"Feature","properties":{"resourceCoords":[2996.0,5212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3231756,40.7696101]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0038/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0038/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.33515839622157,40.74863967703767]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.32755976875751,40.749969117802465]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.32549320431193,40.743093426080186]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.33309183177599,40.741763985315394]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5697.3,7040.3 968.0,7040.0 960.6,586.5 5686.3,585.4 5697.3,7040.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3212.0,7040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3195253,40.751988]}},{"type":"Feature","properties":{"resourceCoords":[968.0,7040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3208913,40.7520072]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p5","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"879.7,7010.6 880.1,0.0 4117.9,0.0 4117.9,536.2 5613.4,536.6 5616.3,7015.3 879.7,7010.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3128.0,4852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3194347,40.7559582]}},{"type":"Feature","properties":{"resourceCoords":[3128.0,536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3193893,40.7579437]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.3306674838771,40.73933108235279]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.32712498955874,40.73940954852814]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.32700303226801,40.7362036846064]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.33054552658635,40.736125218431056]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"461.6,6964.7 407.2,539.5 6452.0,516.0 6452.0,1322.6 6056.3,1907.0 5341.6,2973.3 5359.4,6669.2 3648.7,5496.3 2627.2,6956.9 461.6,6964.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.31825192642256,40.75222032899219]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.31434038012077,40.75215360935433]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.31444410051641,40.748614457507614]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.3183556468182,40.74868117714547]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p8 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0008__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2873.8 -0.0,7652.0 4878.8,7652.0 4883.2,7200.0 4937.6,3982.4 5182.8,3464.4 6452.0,3460.8 6452.0,1074.6 4257.8,1076.8 4568.3,483.9 2586.9,479.4 1088.2,479.6 1085.2,1106.9 -0.0,2873.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3580.0,480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3127894,40.7518942]}},{"type":"Feature","properties":{"resourceCoords":[1472.0,480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3141085,40.7519116]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beaver Falls, Pennsylvania | 1921 | sanborn07516_007 p9","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-22T12:11:25Z","modified":"2026-09-22T12:11:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2465.3,6712.2 517.8,3804.4 2293.1,2590.3 2312.0,812.0 4377.0,828.6 5054.1,1815.6 6452.0,856.6 6452.0,6636.2 5022.2,4473.2 4097.5,5084.4 4080.0,6712.0 2465.3,6712.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075161921:07516_1921-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4080.0,6712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3173243,40.7469431]}},{"type":"Feature","properties":{"resourceCoords":[2312.0,812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.3161144,40.7496405]}}]}}]}