{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn07722_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Homestead, Pennsylvania | 1901 | 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":"20"},{"label":"placed","value":"12"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 8, georef-snap 3, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p13 (tier 2, 40.40798,-79.90132 +/-298m); p14 (tier 1, 40.40830,-79.89666 +/-268m); p15 (tier 4, 40.40810,-79.90638 +/-2185m); p2 (tier 1, 40.40737,-79.91345 +/-233m); p5__1 (tier 1, 40.40897,-79.91233 +/-107m); p5__2 (tier 1, 40.40731,-79.91425 +/-237m); p5__3 (tier 1, 40.41114,-79.91306 +/-108m); p8__1 (tier 1, 40.40906,-79.90036 +/-129m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Homestead, Pennsylvania | 1901 | sanborn07722_003 p1","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"1"}],"created":"2026-09-22T13:10:10Z","modified":"2026-09-22T13:10:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0001/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 6452.0,7652.0 0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.88960553174202,40.419864223369565]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.88876246049789,40.42280859743716]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.88417229521907,40.4220479382023]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.88501536646321,40.4191035641347]}},{"type":"Feature","properties":{"resourceCoords":[-1072.0,1668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8887463,40.4192089]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Homestead, Pennsylvania | 1901 | sanborn07722_003 p10","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-22T13:10:10Z","modified":"2026-09-22T13:10:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0010/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 1326.8,7652.0 1858.9,7359.4 854.6,5536.8 1803.7,5012.2 -0.0,1720.9 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3716.0,356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.9036091,40.4073872]}},{"type":"Feature","properties":{"resourceCoords":[5900.0,356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.9023669,40.4074659]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Homestead, Pennsylvania | 1901 | sanborn07722_003 p11 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3248.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T13:10:10Z","modified":"2026-09-22T13:10:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0011__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3233.4,5583.1 3211.2,2810.8 3190.4,0.0 0.0,-0.0 228.0,7227.5 1995.8,6314.0 1959.7,5962.2 3105.6,5348.3 3233.4,5583.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1964.2,4244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.905383,40.4080508]}},{"type":"Feature","properties":{"resourceCoords":[292.0,4244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.9054832,40.40889]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Homestead, Pennsylvania | 1901 | sanborn07722_003 p11 [2]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"20"},{"label":"split_canvas_x","value":"3190.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3261.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T13:10:10Z","modified":"2026-09-22T13:10:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0011__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,538.8 3422.0,299.7 3518.5,6538.5 4463.7,6793.4 4468.2,6976.3 3244.7,6997.4 3245.6,7112.8 3248.4,7652.0 3252.4,7652.0 3712.0,7652.0 6452.0,7652.0 6452.0,538.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5240.9,3028.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.909874,40.4042656]}},{"type":"Feature","properties":{"resourceCoords":[4393.5,6776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.9118602,40.4033248]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Homestead, Pennsylvania | 1901 | sanborn07722_003 p12 [1]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"30"},{"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":"2026-09-22T13:10:10Z","modified":"2026-09-22T13:10:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0012__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5386.5,7652.0 5384.6,5691.3 6406.4,5689.0 6413.5,315.8 2585.7,391.9 2584.8,1724.8 662.0,1715.6 239.9,1714.3 429.2,3350.3 -0.0,3434.3 -0.0,7652.0 5386.5,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2872.0,2988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.907165,40.4054388]}},{"type":"Feature","properties":{"resourceCoords":[2872.0,3892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.9068623,40.4050913]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Homestead, Pennsylvania | 1901 | sanborn07722_003 p12 [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":"2586.0"},{"label":"split_canvas_h","value":"1724.8"}],"created":"2026-09-22T13:10:10Z","modified":"2026-09-22T13:10:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0012__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2473.9,1628.8 2473.9,244.1 2585.8,242.9 2586.0,0.0 659.6,0.0 -0.0,-0.0 0.0,1713.6 662.0,1715.6 1086.5,1717.6 1094.2,1477.6 2473.9,1628.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2473.9,1628.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.9137254,40.405517]}},{"type":"Feature","properties":{"resourceCoords":[2473.9,244.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.914372,40.405969]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Homestead, Pennsylvania | 1901 | sanborn07722_003 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T13:10:10Z","modified":"2026-09-22T13:10:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5757.5,6849.5 4281.5,6875.3 4279.0,6755.9 4020.0,6760.4 4029.4,7652.0 -0.0,7652.0 -0.0,-0.0 3891.6,-0.0 3762.1,699.5 5851.6,985.2 5757.5,6849.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.91341965968012,40.40957698742931]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.91063910346092,40.40756385758807]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.91375264094388,40.4050350803495]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.91653319716308,40.40704821019074]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Homestead, Pennsylvania | 1901 | sanborn07722_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T13:10:10Z","modified":"2026-09-22T13:10:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 796.2,7652.0 954.0,3721.8 953.3,3634.1 927.5,512.8 5570.8,986.3 5516.3,7199.8 6452.0,7469.8 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.91148629983161,40.407899435487096]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90866674184964,40.405798696959835]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.91191569113069,40.40323438236626]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.91473524911265,40.40533512089352]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Homestead, Pennsylvania | 1901 | sanborn07722_003 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T13:10:10Z","modified":"2026-09-22T13:10:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"587.1,6778.8 -0.0,6812.1 -0.0,4995.3 -0.0,999.1 3320.3,107.5 5499.1,-0.0 6452.0,-0.0 6452.0,299.9 5650.2,6466.0 587.1,6778.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90862930448168,40.41010732648907]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90623881424477,40.40759909610287]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.91011822925381,40.40542514704658]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.91250871949072,40.40793337743277]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Homestead, Pennsylvania | 1901 | sanborn07722_003 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T13:10:10Z","modified":"2026-09-22T13:10:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"182.7,3092.7 564.2,389.0 5049.7,-0.0 6452.0,-0.0 6452.0,6640.6 259.0,7304.2 182.7,3092.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90822002192276,40.409944566883205]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90604251162303,40.40742759596601]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90993531866286,40.40544726971871]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.91211282896259,40.4079642406359]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Homestead, Pennsylvania | 1901 | sanborn07722_003 p8 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2443.2"},{"label":"split_canvas_h","value":"5702.0"}],"created":"2026-09-22T13:10:10Z","modified":"2026-09-22T13:10:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0008__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,5702.0 2443.2,5702.0 2442.0,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[351.9,2252.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8978292,40.4092257]}},{"type":"Feature","properties":{"resourceCoords":[351.9,4989.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.899507,40.4092534]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Homestead, Pennsylvania | 1901 | sanborn07722_003 p9","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"}],"created":"2026-09-22T13:10:10Z","modified":"2026-09-22T13:10:10Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g077221901:07722_1901-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 1873.0,6714.7 1234.7,4704.2 -0.0,4872.9 -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:g3824hm:g3824hm_g077221901:07722_1901-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2480.0,6860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.9070564,40.408807]}},{"type":"Feature","properties":{"resourceCoords":[6108.0,7712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.9046868,40.4089432]}}]}}]}