{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07581_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Clairton, Pennsylvania | 1915 | 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":"21"},{"label":"placed","value":"10"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 7, georef-snap 2, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 17 panels"},{"label":"unplaced pages","value":"p10__2 (tier 1, 40.29989,-79.87742 +/-219m); p10__3 (tier 1, 40.29909,-79.87922 +/-100m); p10__4 (tier 1, 40.29663,-79.87662 +/-100m); p10__5 (tier 1, 40.29723,-79.87629 +/-100m); p1__2 (tier 1, 40.29440,-79.88916 +/-261m); p2__1 (tier 1, 40.29701,-79.88100 +/-100m); p2__4 (tier 1, 40.29639,-79.88352 +/-100m); p7__2 (tier 1, 40.29287,-79.88267 +/-146m); p8__2 (tier 1, 40.29273,-79.88260 +/-110m); p9__1 (tier 1, 40.29801,-79.88171 +/-258m); p9__2 (tier 3, 40.29671,-79.87612 +/-539m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clairton, Pennsylvania | 1915 | sanborn07581_002 p10 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3155.2"},{"label":"split_canvas_h","value":"6316.4"}],"created":"2026-09-22T05:37:57Z","modified":"2026-09-22T05:37:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 0.0,1570.6 326.0,1573.9 762.2,1579.0 764.9,1579.1 766.2,1492.9 781.9,490.6 788.8,0.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[646.8,940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8747095,40.2968482]}},{"type":"Feature","properties":{"resourceCoords":[220.9,940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.874624,40.2960916]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clairton, Pennsylvania | 1915 | sanborn07581_002 p1 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2961.2"},{"label":"split_canvas_w","value":"4896.8"},{"label":"split_canvas_h","value":"4690.8"}],"created":"2026-09-22T05:37:57Z","modified":"2026-09-22T05:37:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 1167.8,1913.0 1064.9,820.0 -0.0,927.6 -0.0,1233.3 151.6,1218.2 195.8,1790.5 -0.0,1807.1 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1148.2,1695.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.887318,40.2936978]}},{"type":"Feature","properties":{"resourceCoords":[152.0,1218.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8888841,40.2948702]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clairton, Pennsylvania | 1915 | sanborn07581_002 p2 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"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":"4132.8"}],"created":"2026-09-22T05:37:57Z","modified":"2026-09-22T05:37:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,935.1 1613.0,0.0 780.9,0.0 781.0,240.2 475.2,388.6 0.0,390.1 -0.0,881.6 94.8,882.4 99.2,935.3 1613.0,935.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1323.0,934.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8834261,40.2961631]}},{"type":"Feature","properties":{"resourceCoords":[1550.0,934.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8828783,40.2960651]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clairton, Pennsylvania | 1915 | sanborn07581_002 p2 [3]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4103.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3548.8"}],"created":"2026-09-22T05:37:57Z","modified":"2026-09-22T05:37:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"138.7,1797.0 1516.4,1806.4 1529.2,1782.2 1607.2,1781.3 1610.1,1402.5 1130.3,1403.3 834.1,1282.7 835.2,1111.0 835.7,1029.6 127.8,1026.4 138.7,1797.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[475.0,1818.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8819038,40.2958928]}},{"type":"Feature","properties":{"resourceCoords":[308.0,1156.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8819078,40.2972001]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clairton, Pennsylvania | 1915 | sanborn07581_002 p3","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:37:57Z","modified":"2026-09-22T05:37:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1547.8,0.0 1555.2,746.0 1613.0,745.5 1613.0,972.0 701.2,980.5 679.0,1223.7 800.6,1222.7 794.2,1681.3 637.2,1680.3 629.5,1764.6 1386.8,1872.6 1387.1,1913.0 -0.0,1913.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.8901002,40.2974822]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.886203,40.2967595]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.88732669999999,40.2932341]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.8912239,40.2939568]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clairton, Pennsylvania | 1915 | sanborn07581_002 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:37:57Z","modified":"2026-09-22T05:37:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"84.2,977.4 142.4,977.6 144.6,747.6 85.5,747.7 89.6,44.0 1567.0,40.4 1566.5,746.5 1511.5,746.5 1511.1,982.0 1566.4,982.1 1566.8,1892.2 77.8,1890.2 84.2,977.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.88656776142926,40.296807684933846]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.88274676543222,40.296118902643876]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.88381026948815,40.292638090307825]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.8876312654852,40.293326872597795]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clairton, Pennsylvania | 1915 | sanborn07581_002 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T05:37:57Z","modified":"2026-09-22T05:37:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.4,1855.0 54.6,956.8 -0.0,956.7 -0.0,724.3 54.4,724.2 53.7,27.3 117.0,0.0 1613.0,0.0 1613.0,1761.8 1371.7,1913.0 459.3,1913.0 458.5,1852.8 56.4,1855.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.88299166436798,40.29613883410195]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.87912168062762,40.295436359188066]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.8802063152302,40.29191088361478]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.88407629897056,40.29261335852867]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clairton, Pennsylvania | 1915 | sanborn07581_002 p6","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-22T05:37:57Z","modified":"2026-09-22T05:37:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 1514.5,0.0 1510.4,1703.7 0.0,1700.9 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[839.0,1623.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8842901,40.2914552]}},{"type":"Feature","properties":{"resourceCoords":[600.0,1623.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8844258,40.2910123]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clairton, Pennsylvania | 1915 | sanborn07581_002 p7 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T05:37:57Z","modified":"2026-09-22T05:37:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,1477.8 1567.2,1504.9 1321.7,1070.6 1094.6,1069.9 985.0,784.6 377.2,783.3 380.8,300.7 799.2,300.8 752.9,180.4 331.7,179.4 330.8,117.0 -0.0,116.3 -0.0,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[128.0,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8839355,40.2909243]}},{"type":"Feature","properties":{"resourceCoords":[128.0,578.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.883668,40.2917901]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clairton, Pennsylvania | 1915 | sanborn07581_002 p8 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T05:37:57Z","modified":"2026-09-22T05:37:57Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1012.5,1708.7 1489.9,1637.7 1481.3,1587.1 1613.0,1637.5 1613.0,728.7 896.3,722.7 890.6,0.0 -0.0,0.0 -0.0,1116.3 136.8,1168.5 190.9,1448.8 5.6,1913.0 286.0,1913.0 524.0,1913.0 933.3,1913.0 1012.5,1708.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075811915:07581_1915-0008__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":[-79.87729294276166,40.2927421291231]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.87675459625443,40.28972484297747]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.88145842864255,40.28923912098762]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.88199677514977,40.292256407133245]}},{"type":"Feature","properties":{"resourceCoords":[190.0,1600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8811639,40.2919814]}}]}}]}