{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07558_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Butler, Pennsylvania | 1911 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"56"},{"label":"placed","value":"39"},{"label":"unplaced","value":"17"},{"label":"fit sources","value":"georef-snap 23, georef 13, snap:0 2, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 23 panels"},{"label":"unplaced pages","value":"p14__1 (tier 1, 40.85646,-79.89459 +/-100m); p21__3 (tier 1, 40.86433,-79.88102 +/-123m); p22__1 (tier 1, 40.85928,-79.88693 +/-257m); p22__2 (tier 1, 40.86000,-79.88827 +/-145m); p22__3 (tier 1, 40.85967,-79.88839 +/-100m); p34__1 (tier 2, 40.85421,-79.88514 +/-295m); p34__2 (tier 2, 40.85421,-79.88514 +/-295m); p34__3 (tier 2, 40.85421,-79.88514 +/-295m); p36__1 (tier 1, 40.85587,-79.89104 +/-179m); p36__2 (tier 2, 40.85945,-79.90785 +/-100m); p37 (tier 2, 40.84869,-79.92003 +/-100m); p40__2 (tier 1, 40.85719,-79.90710 +/-205m); p40__4 (tier 1, 40.86030,-79.90655 +/-100m); p41 (tier 1, 40.85494,-79.91148 +/-248m); p42 (tier 2, 40.84805,-79.91771 +/-100m); p43 (tier 4, 40.86058,-79.89595 +/-2224m); p4__2 (tier 1, 40.86613,-79.91841 +/-118m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p10","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1454.6,173.3 1452.8,512.6 1454.4,833.0 1455.6,1741.3 1100.8,1746.6 778.0,1747.0 777.6,1708.3 127.8,1484.5 127.7,1465.2 126.5,1194.7 129.2,838.2 128.4,525.0 123.8,176.4 1454.6,173.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[774.0,175.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8952692,40.8610337]}},{"type":"Feature","properties":{"resourceCoords":[778.0,1747.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8913789,40.8609771]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p11","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.9,1718.2 60.0,933.8 91.0,933.8 69.1,362.6 94.0,363.2 84.3,205.1 515.8,208.1 842.0,214.0 1161.7,212.8 1494.0,214.0 1489.8,1353.0 1499.0,1671.2 1155.2,1666.7 843.1,1666.7 584.3,1670.3 278.1,1700.9 94.9,1718.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[842.0,214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8969354,40.8598357]}},{"type":"Feature","properties":{"resourceCoords":[1494.0,214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8953007,40.8598168]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p12","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"39.0,1383.0 38.4,239.9 383.7,236.1 694.0,236.0 1047.2,239.4 1315.1,238.9 1325.8,238.8 1412.6,915.9 1352.2,928.8 1347.4,1414.4 1411.8,1420.3 1413.8,1523.0 1096.2,1825.3 1039.0,1791.3 917.3,1735.6 777.9,1702.5 702.0,1698.6 49.7,1702.3 39.0,1383.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[694.0,970.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8936987,40.8584132]}},{"type":"Feature","properties":{"resourceCoords":[694.0,236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8936628,40.8597999]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p13","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1538.8,1809.7 1475.2,1861.4 1000.5,1864.6 897.1,1744.5 600.8,1679.0 442.7,1689.7 437.1,1761.8 323.1,1814.6 209.6,1807.2 214.6,964.6 252.0,959.8 215.3,830.3 217.6,428.3 276.8,422.3 586.3,389.3 848.0,384.0 1163.5,381.9 1511.2,384.2 1529.3,716.5 1513.6,830.5 1513.0,1020.9 1571.1,1019.5 1564.6,1098.6 1538.8,1201.7 1507.0,1287.5 1563.9,1383.3 1538.8,1809.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1168.0,1024.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8962294,40.8558678]}},{"type":"Feature","properties":{"resourceCoords":[848.0,384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8969882,40.857081]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p14 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"5963.6"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0014__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"139.3,394.1 165.4,724.5 152.6,838.3 156.7,1027.8 214.4,1025.1 209.8,1104.0 186.6,1207.2 157.1,1293.4 216.1,1387.5 216.8,1367.2 846.9,1358.9 1374.0,824.4 1430.8,847.1 1504.9,684.5 1383.6,607.6 1565.6,247.4 1505.8,246.7 1502.6,177.9 1192.2,489.5 1133.9,456.9 1010.4,404.4 869.6,374.9 793.4,373.0 139.3,394.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[803.0,379.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.89369124124472,40.8570243604723]}},{"type":"Feature","properties":{"resourceCoords":[155.0,379.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.89530326995512,40.857080693879894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1106.6,1661.5 818.5,1659.4 246.0,1651.4 251.5,1332.0 252.7,980.9 256.3,684.1 266.9,369.4 332.4,328.5 683.3,314.9 1320.4,286.4 1327.8,597.7 1352.6,1361.7 1360.5,1667.2 1106.6,1661.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[275.0,982.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.89130049162725,40.862243139370094]}},{"type":"Feature","properties":{"resourceCoords":[1329.0,608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.88866096038286,40.86294360959176]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"780.3,221.5 780.2,229.7 1398.5,455.1 1398.1,492.1 1390.6,1046.0 1388.7,1324.8 1383.3,1570.5 1305.2,1790.8 1112.7,1771.3 1077.5,1605.8 829.1,1599.9 670.8,1690.2 484.6,1711.6 118.4,1582.0 62.6,1416.6 67.2,837.0 287.4,670.5 286.4,422.2 148.3,415.8 124.7,295.1 780.3,221.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1398.0,496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.89136890654638,40.86097683648834]}},{"type":"Feature","properties":{"resourceCoords":[1398.0,1580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.88856657964143,40.86096856022536]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"348.8,1903.9 358.2,1830.3 1190.0,1848.3 1517.2,1785.2 1295.5,712.7 1304.4,712.4 1236.3,369.1 1157.1,27.3 875.5,94.1 853.2,1.0 430.1,1.0 114.5,192.2 112.4,401.8 112.0,720.5 117.7,1502.7 117.9,1815.4 348.8,1903.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[514.0,742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.88768043957252,40.86293934396388]}},{"type":"Feature","properties":{"resourceCoords":[106.0,1508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.88863686914114,40.861507482617476]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p18","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.3,893.9 36.5,276.6 111.3,106.5 760.3,26.9 1018.7,140.9 1368.0,101.9 1525.0,169.7 1549.2,1327.5 1612.0,1355.4 1612.0,1359.2 1612.0,1374.4 1486.0,1396.8 1237.8,1444.6 842.0,1511.0 513.0,1570.3 198.1,1643.1 201.1,961.2 36.0,922.0 57.3,893.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[842.0,496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8857429,40.8676736]}},{"type":"Feature","properties":{"resourceCoords":[842.0,1511.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8845837,40.8660471]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p19","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"26"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,302.8 1556.0,278.1 1539.7,85.2 1565.6,1.0 589.1,1.0 575.5,56.3 478.9,55.9 476.9,345.0 126.5,340.8 114.5,615.0 106.7,901.2 95.5,1496.7 87.5,1790.2 448.4,1792.9 799.5,1793.4 1371.1,1800.0 1486.9,1798.3 1384.8,1571.7 1231.3,1208.0 1099.8,906.6 958.7,621.6 1612.0,469.6 1612.0,302.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[462.0,907.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8848087,40.8645278]}},{"type":"Feature","properties":{"resourceCoords":[1170.0,1498.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8838592,40.8660761]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1506.3,79.5 1499.0,351.4 1495.8,635.1 1494.5,1225.2 1491.3,1516.1 1491.2,1912.0 1477.9,1912.0 1467.0,1912.0 1462.6,1870.3 1117.5,1851.1 1102.3,1912.0 517.4,1912.0 485.2,1849.5 127.8,1790.0 131.2,1180.4 45.4,1047.3 78.2,40.5 1161.8,61.4 1160.1,70.1 1506.3,79.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[784.0,1535.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.88201544734147,40.86300722284038]}},{"type":"Feature","properties":{"resourceCoords":[784.0,643.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.88415275441885,40.86260342655723]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0021__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p21 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.54"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"3796.0"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0021__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1415.0,900.4 1548.8,654.5 1496.4,206.0 1375.1,132.5 1409.1,1.0 310.9,1.0 525.1,544.0 959.1,656.2 1187.6,911.8 1415.0,900.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[792.0,355.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8806263,40.8632494]}},{"type":"Feature","properties":{"resourceCoords":[1486.0,355.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8808545,40.8639167]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0021__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p21 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3939.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0021__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"532.3,1798.6 532.1,1822.6 886.4,1787.5 972.6,1653.9 971.9,1512.8 883.4,1193.3 702.7,1117.2 633.5,780.5 419.2,517.7 276.9,436.6 269.1,356.1 243.2,348.4 242.2,348.2 246.6,366.1 133.2,416.6 136.0,530.7 135.0,1094.0 137.8,1440.0 138.6,1795.7 532.3,1798.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0021__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[135.0,1094.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8829266,40.865555]}},{"type":"Feature","properties":{"resourceCoords":[135.0,725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8831547,40.8662261]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.42"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1549.3,1551.0 1522.5,1341.9 1581.4,630.0 1493.4,179.2 1308.5,203.0 1015.3,28.6 653.4,22.1 286.1,31.4 138.4,111.0 53.6,621.8 133.7,1187.1 69.3,1271.1 34.1,1699.8 1.0,1696.6 1.0,1793.9 342.9,1767.5 651.2,1750.3 676.5,1742.7 992.2,1681.2 1398.1,1606.0 1549.3,1551.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.91279663398592,40.8625743909965]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.91230855482048,40.865467408875844]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.9078034962359,40.86502654740086]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90829157540134,40.862133529521515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1237.7,105.6 1520.2,138.4 1562.0,389.2 1491.7,538.9 1557.0,777.8 1467.2,796.7 1485.3,881.1 1467.3,896.5 741.7,1160.1 417.5,1454.0 179.3,1648.3 170.9,1577.4 165.2,1007.5 159.5,755.6 143.4,644.0 74.0,354.9 370.8,309.9 394.6,300.2 694.5,211.9 1080.5,102.2 1221.8,35.3 1237.7,105.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[168.0,1235.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.90636806102097,40.862591835663075]}},{"type":"Feature","properties":{"resourceCoords":[1365.0,600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.90724283279249,40.86502414544103]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"142.7,582.8 403.2,434.5 762.4,204.4 1502.8,68.4 1522.5,56.5 1544.1,293.1 1550.7,494.3 1588.0,1456.8 1604.1,1752.2 713.7,1818.9 415.2,1850.8 185.2,1862.8 29.6,1873.3 64.4,1101.2 97.5,897.9 143.9,630.4 142.7,582.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1104.0,1153.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.90379956638301,40.86421398732531]}},{"type":"Feature","properties":{"resourceCoords":[1545.0,-270.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.90732249485905,40.86520447487577]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"117.6,212.7 648.0,127.5 841.4,30.9 1038.3,29.9 1047.5,123.5 1376.3,64.9 1446.8,353.4 1463.4,464.8 1470.2,716.4 1478.5,1285.7 1487.2,1356.4 1496.7,1404.3 1496.7,1416.7 1241.3,1588.6 1208.4,1673.6 710.1,1656.2 761.0,1696.5 653.3,1665.1 512.1,1697.7 466.5,1790.0 260.2,1636.8 154.8,1631.4 89.8,1155.7 125.5,1144.8 144.2,723.7 200.0,705.6 161.4,558.2 129.3,567.8 117.6,212.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[277.0,971.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.9069647676768,40.86040817288176]}},{"type":"Feature","properties":{"resourceCoords":[373.0,1319.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.90607667564612,40.86043674154869]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0027__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p27 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.71"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2675.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0027__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"99.5,1275.8 79.1,1304.0 68.8,1812.2 224.0,1802.0 531.4,1788.5 523.2,1188.8 523.2,869.5 516.0,545.5 516.9,487.7 608.3,345.0 604.4,344.1 628.0,127.2 585.5,93.1 26.8,104.2 91.5,1088.7 99.5,1275.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0027__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[224.0,1193.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.9003907,40.8598979]}},{"type":"Feature","properties":{"resourceCoords":[224.0,1802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8988347,40.8598746]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0027__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p27 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.55"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2609.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3842.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0027__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"706.3,534.4 790.1,585.3 726.6,1508.7 734.5,1509.0 721.5,1737.8 1154.2,1744.8 1210.2,1736.8 1278.5,1738.2 1386.3,926.6 1439.8,715.0 1509.9,449.4 1211.2,553.7 1156.2,630.0 666.5,480.7 706.3,534.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0027__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[652.3,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90622402303865,40.860853320289415]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90629832719767,40.862595448741764]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90174498925624,40.862708102731574]}},{"type":"Feature","properties":{"resourceCoords":[652.3,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.9016706850972,40.86096597427922]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.55"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.0,246.7 74.2,51.6 600.7,101.5 707.9,28.6 1431.6,22.6 1558.1,93.4 1587.7,94.1 1612.0,1157.6 1612.0,1293.5 1612.0,1361.2 1588.7,1390.8 1555.7,1912.0 950.3,1912.0 951.5,1879.2 119.7,1884.3 119.3,1876.6 75.4,1207.4 39.2,566.2 16.7,241.1 32.0,246.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[538.0,884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.90125612820314,40.85771238949593]}},{"type":"Feature","properties":{"resourceCoords":[1275.0,182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.90295752923087,40.85900248338401]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1473.5,422.8 1467.6,1065.8 1467.6,1737.2 1466.2,1877.6 1047.4,1828.7 908.1,1852.0 907.4,1812.4 29.6,1710.0 39.1,1655.9 336.2,1636.8 321.0,1211.3 186.4,1191.8 168.3,1053.9 298.8,1035.2 342.8,539.2 317.6,226.4 227.1,51.7 674.4,46.0 847.4,144.7 1142.5,148.2 1334.2,36.4 1472.4,96.5 1473.5,422.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1171.0,381.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.9020160530871,40.85626113574134]}},{"type":"Feature","properties":{"resourceCoords":[1457.0,381.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.90207586613627,40.856770545850516]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"136.7,950.6 157.1,1870.2 507.1,1859.2 1150.9,1830.8 1444.9,1824.0 1422.6,1254.0 1413.1,983.6 1402.3,637.7 1393.1,123.2 1147.2,87.2 1147.2,88.2 149.3,76.3 69.4,142.1 28.1,144.6 335.5,278.1 550.5,279.1 558.2,283.1 558.3,283.1 558.3,283.1 558.3,284.0 557.2,428.9 557.2,428.9 550.9,432.1 84.7,426.1 78.2,459.0 175.0,619.0 141.5,618.5 136.7,950.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[816.0,626.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.90055480707676,40.865701123361504]}},{"type":"Feature","properties":{"resourceCoords":[1400.0,974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8991269023967,40.86505373440477]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.45"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1082.8"},{"label":"split_canvas_w","value":"2233.2"},{"label":"split_canvas_h","value":"632.8"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"12.1,415.6 518.5,427.5 212.9,282.9 9.3,287.9 12.1,415.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,270.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90301108059506,40.866606177955724]}},{"type":"Feature","properties":{"resourceCoords":[558.3,270.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90162418782711,40.86664217481785]}},{"type":"Feature","properties":{"resourceCoords":[558.3,428.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90161071970522,40.866341202647085]}},{"type":"Feature","properties":{"resourceCoords":[0.0,428.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90299761247317,40.86630520578496]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"80.8,307.6 420.8,294.8 926.4,282.4 960.1,40.5 1302.8,37.4 1539.8,113.9 1455.1,243.6 1459.8,759.0 1567.6,1574.1 1541.9,1889.3 1596.0,1891.0 1581.0,1906.2 1229.5,1899.0 958.9,1900.0 97.3,1887.5 95.7,1538.9 102.0,1204.0 95.9,1204.0 23.4,310.0 80.8,307.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[407.0,1234.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8967793209708,40.865634361141694]}},{"type":"Feature","properties":{"resourceCoords":[1462.0,1234.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8967550679933,40.86762214169169]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1080.7,568.4 1056.4,621.6 1208.5,699.9 1287.5,587.5 1612.0,771.6 1612.0,825.1 1612.0,838.1 1544.4,844.1 1542.5,1810.4 1612.0,1822.3 1495.6,1835.7 1048.5,1844.7 756.8,1853.8 535.7,1846.7 559.8,1791.5 245.1,1759.9 246.0,1476.7 244.4,1241.5 393.9,1248.3 385.2,812.9 351.2,812.7 26.8,468.5 78.7,471.2 65.8,66.9 285.1,26.2 593.4,61.0 594.1,40.0 1080.7,568.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[403.0,1238.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.89057578401115,40.85480482027329]}},{"type":"Feature","properties":{"resourceCoords":[403.0,809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.89169236919204,40.854803209659025]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p31","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0031","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.1,1830.3 67.4,1587.5 103.8,1260.2 161.0,1285.8 170.8,1055.8 164.4,752.0 159.8,286.4 145.6,149.3 286.1,46.6 707.5,16.1 1220.7,58.0 1347.0,230.8 1539.6,233.1 1543.7,291.3 1363.3,346.9 1391.1,412.8 978.5,596.4 1004.9,682.0 1060.3,806.9 1261.8,1248.4 1506.0,1816.5 1412.5,1872.5 963.0,1874.1 707.3,1778.2 200.3,1814.8 201.8,1833.2 32.1,1830.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[98.0,1590.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.88914019672713,40.85449182645263]}},{"type":"Feature","properties":{"resourceCoords":[1143.0,1025.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.88654510056173,40.8555843219618]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.9,1500.4 169.1,1517.5 1040.7,1812.5 1040.3,1814.1 1180.9,1812.5 1514.7,1912.0 1596.0,1907.4 1518.1,1876.8 1518.1,1252.5 1584.8,790.7 1517.7,583.3 1518.0,189.4 1248.2,288.5 979.4,60.9 618.7,26.7 624.7,1.0 437.8,1.0 444.7,70.6 1.0,124.1 1.0,221.2 16.0,347.6 78.2,825.0 163.9,1500.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[424.0,76.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.88598920618584,40.856725760628564]}},{"type":"Feature","properties":{"resourceCoords":[172.0,1484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.88550762142071,40.854023518877376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p33","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"413.8,94.6 413.4,59.0 869.6,41.1 865.5,198.0 1112.0,191.6 1408.8,186.9 1380.4,432.4 1551.3,430.2 1600.2,870.7 1530.5,1827.5 367.5,1890.6 229.5,1806.8 107.4,1808.9 109.5,1514.3 28.0,1372.0 59.5,441.5 413.8,94.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1340.0,963.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8894206,40.8530409]}},{"type":"Feature","properties":{"resourceCoords":[249.0,1166.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8921374,40.852695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p35","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0035","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1548.9,101.1 1570.8,1871.2 474.2,1883.3 111.5,1787.2 114.5,1679.8 24.3,1577.0 112.4,992.0 37.9,81.8 173.9,40.5 526.4,42.9 604.1,15.4 1548.9,101.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0035/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.8832694,40.8540831]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.8792538,40.8541684]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.87912,40.8505661]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.8831356,40.8504808]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.24"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0038","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"379.1,53.2 378.6,41.8 588.6,30.1 991.5,22.4 991.6,26.6 1376.8,21.4 1500.1,96.5 1407.7,415.4 1401.7,1318.1 1512.6,1353.6 1516.5,1805.0 1349.3,1887.2 85.8,1830.2 110.1,1302.6 34.4,1198.0 18.0,531.1 94.0,60.8 379.1,53.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0038/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[563.0,1259.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.91855978686426,40.84980230407119]}},{"type":"Feature","properties":{"resourceCoords":[976.0,1877.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.92013974375716,40.84899209713072]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p39","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0039","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"202.7,1783.4 122.9,1759.5 107.0,955.4 51.0,858.9 92.2,677.3 38.1,507.9 112.8,444.1 124.4,276.3 349.4,333.2 1248.3,327.0 1289.1,729.9 1465.8,960.9 1531.5,962.6 1532.5,1781.0 1548.2,1790.8 1143.0,1788.6 1143.0,1784.2 719.1,1784.3 498.1,1792.3 498.4,1804.5 198.4,1806.7 202.7,1783.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1120.0,1150.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.91383041734314,40.84905830803331]}},{"type":"Feature","properties":{"resourceCoords":[708.0,1802.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.91544756746654,40.8497881513996]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0040__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p40 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2200.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0040__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0040","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"549.0,314.8 152.8,178.0 151.5,120.0 1.0,114.9 1.0,148.2 20.3,153.3 94.9,229.7 63.3,500.1 150.4,720.8 117.5,1808.5 171.4,1869.2 387.2,1882.9 449.3,1815.2 475.8,1852.7 425.5,1734.8 544.3,1455.5 549.0,418.9 549.0,314.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0040__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":[-79.90803712898679,40.86058730683173]}},{"type":"Feature","properties":{"resourceCoords":[550.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90667851528859,40.86065293564996]}},{"type":"Feature","properties":{"resourceCoords":[550.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90637882650542,40.85705358095611]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.90773744020362,40.856987952137885]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0040__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p40 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.70"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3724.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2728.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0040__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0040","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1086.0,332.0 1084.2,539.8 1081.9,1534.6 1086.0,1840.0 1418.8,1840.9 1418.7,1874.5 1578.0,1775.6 1537.9,1768.2 1609.8,1175.7 1533.1,921.2 1583.5,869.4 1224.4,864.0 1218.2,860.0 1228.8,570.1 1254.2,570.2 1520.0,519.8 1551.6,176.2 1462.8,97.1 1170.5,79.4 1165.9,1.0 1073.5,1.0 1073.8,86.8 1086.0,332.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0040__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1086.0,332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.905904,40.8651433]}},{"type":"Feature","properties":{"resourceCoords":[1086.0,1840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.9022204,40.8651034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.3,244.9 54.0,590.2 58.6,856.0 58.2,1702.4 385.4,1698.1 696.6,1691.7 1594.1,1684.7 1586.0,1251.8 1579.7,817.1 1540.8,692.1 1183.1,735.5 711.1,704.2 710.4,698.1 703.5,698.2 703.5,646.9 691.5,556.7 690.4,464.4 653.5,37.3 125.7,21.4 57.4,69.2 56.3,244.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[66.0,609.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.89507430251315,40.8671360386173]}},{"type":"Feature","properties":{"resourceCoords":[66.0,1693.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.895137834375,40.865057203525396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"130.1,529.0 125.0,74.6 131.9,97.2 417.2,25.4 667.4,35.0 734.8,99.9 1108.1,18.9 1373.3,43.0 1485.3,128.9 1504.8,371.2 1612.0,373.0 1612.0,1330.5 1521.5,1334.3 1210.4,1541.0 1217.1,1752.0 561.0,1792.3 199.6,1812.2 132.8,1855.4 138.1,1627.3 133.7,1357.2 137.2,981.5 130.1,529.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[856.0,972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.88951782502392,40.864996436328525]}},{"type":"Feature","properties":{"resourceCoords":[856.0,1355.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8895364273703,40.864293693371614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"687.4,160.8 1241.1,134.2 1446.9,125.2 1520.7,1008.9 1526.8,1008.9 1521.3,1340.1 1523.7,1684.8 686.4,1674.7 89.8,1670.2 96.0,1010.4 89.6,692.5 94.6,191.7 687.4,160.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1516.0,1669.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.89519816437634,40.86502516320266]}},{"type":"Feature","properties":{"resourceCoords":[1160.0,1006.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.89687910955662,40.86436139526681]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p7","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"675.3,160.6 1532.0,165.2 1534.8,502.3 1539.8,822.8 1542.5,1747.1 1172.3,1743.0 906.2,1746.8 681.5,1741.2 361.7,1735.1 60.3,1735.8 62.4,823.0 62.0,501.0 65.0,160.0 675.3,160.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[910.0,1156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8927462,40.8638475]}},{"type":"Feature","properties":{"resourceCoords":[65.0,160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8952368,40.8623075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.7,1643.4 187.2,1739.8 246.8,1741.7 580.7,1739.1 909.5,1744.1 1527.4,1745.0 1496.9,1080.5 1479.0,743.1 1451.7,140.8 1161.4,148.2 525.9,177.5 180.3,189.2 197.3,494.0 197.8,728.2 201.5,952.8 211.2,1006.6 220.0,1425.0 1.0,1420.7 1.0,1428.4 97.1,1431.5 41.7,1643.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[190.0,754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.90215936679412,40.86234035629616]}},{"type":"Feature","properties":{"resourceCoords":[1510.0,1428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.89889310901411,40.861063980225616]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Butler, Pennsylvania | 1911 | sanborn07558_006 p9","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:46:54Z","modified":"2026-10-18T21:46:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"486.2,345.7 1137.7,314.8 1468.5,296.7 1460.8,795.4 1465.5,1112.1 1456.0,1769.2 154.2,1752.2 158.4,1422.8 160.0,1106.0 168.8,782.8 175.6,355.2 486.2,345.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075581911:07558_1911-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[160.0,1106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8969354,40.8598357]}},{"type":"Feature","properties":{"resourceCoords":[798.0,331.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.8988859,40.8610659]}}]}}]}