{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07503_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ashland, Pennsylvania | 1913 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"36"},{"label":"placed","value":"13"},{"label":"unplaced","value":"23"},{"label":"fit sources","value":"georef 10, georef-snap 2, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 31 panels"},{"label":"unplaced pages","value":"p10__1 (tier 1, 40.78182,-76.33703 +/-164m); p10__2 (tier 1, 40.78141,-76.33529 +/-137m); p10__3 (tier 3, 40.78825,-76.33769 +/-1018m); p10__4 (tier 1, 40.78131,-76.33607 +/-117m); p10__5 (tier 1, 40.77993,-76.33739 +/-124m); p11__1 (tier 3, 40.80522,-76.34038 +/-538m); p11__2 (tier 3, 40.80522,-76.34038 +/-538m); p11__3 (tier 3, 40.80522,-76.34038 +/-538m); p11__4 (tier 3, 40.80522,-76.34038 +/-538m); p11__5 (tier 3, 40.80522,-76.34038 +/-538m); p12 (tier 3, 40.80547,-76.34356 +/-538m); p15__1 (tier 1, 40.75189,-76.33563 +/-186m); p15__2 (tier 1, 40.75037,-76.33776 +/-100m); p16__1 (tier 1, 40.78390,-76.33043 +/-100m); p16__2 (tier 1, 40.78392,-76.32991 +/-100m); p16__3 (tier 3, 40.78337,-76.32982 +/-538m); p16__4 (tier 3, 40.78337,-76.32982 +/-538m); p16__5 (tier 3, 40.78337,-76.32982 +/-538m); p2__3 (tier 1, 40.78061,-76.34565 +/-114m); p6__2 (tier 1, 40.78271,-76.34197 +/-119m); p7__2 (tier 1, 40.78361,-76.34292 +/-100m); p9__2 (tier 1, 40.78614,-76.32564 +/-148m); p9__3 (tier 1, 40.78569,-76.32667 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Pennsylvania | 1913 | sanborn07503_006 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:38:05Z","modified":"2026-10-19T07:38:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"313.6,81.2 314.1,40.9 629.7,45.2 1000.5,31.8 1303.2,27.8 1612.0,27.4 1612.0,690.8 1608.9,965.5 1499.0,1251.4 1565.8,1440.0 1547.2,1887.4 73.2,1890.2 23.7,1835.6 42.0,64.7 98.4,28.5 313.6,81.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1304.0,449.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.33976734123337,40.751631434260744]}},{"type":"Feature","properties":{"resourceCoords":[640.0,1480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.33928672349337,40.74940439158635]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0015__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Pennsylvania | 1913 | sanborn07503_006 p15 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3483.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4168.8"}],"created":"2026-10-19T07:38:05Z","modified":"2026-10-19T07:38:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0015__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"48.6,1797.3 261.6,1852.0 262.6,1812.0 575.5,1819.8 943.6,1810.8 1243.9,1810.2 1551.3,1813.3 1555.5,1912.0 1574.0,1096.0 1535.3,1030.6 1300.6,952.5 1190.8,1039.2 1039.2,978.4 892.8,1051.0 645.7,922.0 387.6,901.4 245.7,958.5 146.2,1044.7 135.8,1302.3 56.1,1367.2 119.0,1524.1 37.9,1686.8 132.9,1744.7 48.6,1797.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0015__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[579.0,1464.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3422252,40.7518408]}},{"type":"Feature","properties":{"resourceCoords":[1248.0,1464.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3410219,40.7526826]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Pennsylvania | 1913 | sanborn07503_006 p2 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.97"},{"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":"3193.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T07:38:05Z","modified":"2026-10-19T07:38:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"754.0,449.6 709.1,76.2 547.3,29.2 129.4,110.0 1.0,78.1 1.0,202.4 59.2,164.8 70.8,973.4 80.0,1408.0 80.0,1837.5 280.5,1832.6 535.0,1835.5 726.9,1832.7 727.6,1746.2 754.0,449.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[279.1,1408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3444525,40.7802772]}},{"type":"Feature","properties":{"resourceCoords":[80.0,1408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3445471,40.7806381]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Pennsylvania | 1913 | sanborn07503_006 p2 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.80"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3193.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3258.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T07:38:05Z","modified":"2026-10-19T07:38:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"838.2,1838.7 947.6,1838.2 1096.5,1804.3 1140.3,878.2 1486.8,790.7 1573.3,434.1 1521.8,57.2 1473.3,40.0 1472.4,127.0 1279.7,129.4 1024.2,126.0 822.8,130.4 829.1,979.6 835.9,1414.5 838.2,1838.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1025.3,979.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3475,40.779811]}},{"type":"Feature","properties":{"resourceCoords":[826.4,552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3465781,40.7803245]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Pennsylvania | 1913 | sanborn07503_006 p3","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"34"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:38:05Z","modified":"2026-10-19T07:38:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"507.6,1858.2 172.1,1861.3 45.9,1789.9 38.6,248.2 106.5,41.5 338.6,122.0 799.9,127.0 1539.2,132.0 1612.0,132.5 1569.9,149.5 1576.6,1624.0 1542.4,1854.8 1359.0,1836.0 1252.5,1807.6 1252.6,1792.9 1057.0,1799.9 511.9,1800.1 507.6,1858.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1053.0,941.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3518216,40.7804072]}},{"type":"Feature","properties":{"resourceCoords":[326.0,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3542483,40.7813945]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Pennsylvania | 1913 | sanborn07503_006 p4","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"39"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:38:05Z","modified":"2026-10-19T07:38:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"100.5,1765.4 335.0,1845.0 800.0,1847.1 1545.2,1847.3 1544.9,1423.0 1540.2,987.9 1537.8,138.4 1276.0,131.5 1064.4,138.6 800.0,138.8 336.8,134.3 252.8,133.4 211.3,559.8 94.8,556.8 92.1,985.3 1.0,985.1 1.0,998.9 66.0,1014.9 74.0,1668.0 116.9,1714.3 100.5,1765.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1061.0,987.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3478276,40.7810282]}},{"type":"Feature","properties":{"resourceCoords":[335.0,1845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3502238,40.782018]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Pennsylvania | 1913 | sanborn07503_006 p5","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"39"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:38:05Z","modified":"2026-10-19T07:38:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1521.7,882.0 1529.3,1315.7 1527.6,1744.0 1267.8,1738.0 1057.8,1745.8 795.5,1746.8 335.9,1743.8 94.2,1742.0 63.5,1733.2 68.7,679.8 111.7,614.2 58.9,581.3 134.0,210.3 108.1,193.0 327.5,194.0 523.7,186.9 1053.5,188.4 1261.0,192.6 1263.6,235.2 1448.2,116.8 1513.2,75.3 1521.7,882.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1055.0,889.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3437539,40.7816565]}},{"type":"Feature","properties":{"resourceCoords":[335.0,1325.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3451494,40.7828041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Pennsylvania | 1913 | sanborn07503_006 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"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":"2026-10-19T07:38:05Z","modified":"2026-10-19T07:38:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"256.5,1837.2 478.6,1838.5 677.2,1831.8 1213.3,1834.2 1423.4,1838.8 1425.9,1882.0 1612.0,1763.2 1612.0,1630.6 1599.8,1627.5 1540.1,1036.3 1584.2,489.0 1451.3,119.5 1404.5,119.5 1404.4,123.6 942.1,128.7 679.1,127.7 626.6,149.9 630.6,151.4 597.2,903.9 584.5,939.6 584.4,947.0 581.8,947.0 579.7,953.0 272.0,950.3 248.5,1028.2 163.2,1040.8 121.8,1280.5 49.3,1340.9 32.5,1570.5 149.2,1662.0 137.2,1757.3 256.5,1837.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1206.0,984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.34006291719737,40.782241526259575]}},{"type":"Feature","properties":{"resourceCoords":[1206.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.34208646323093,40.78192856227375]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Pennsylvania | 1913 | sanborn07503_006 p7 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.95"},{"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":"2026-10-19T07:38:05Z","modified":"2026-10-19T07:38:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"80.1,1009.5 267.9,1121.7 83.2,1536.0 181.2,1809.7 420.0,1875.3 902.5,1844.0 967.3,1679.3 979.8,1235.8 1132.5,1112.1 1556.2,1112.9 1564.4,1084.3 1392.2,1079.9 1401.1,514.3 1400.0,248.7 1402.8,73.5 1292.3,70.9 1292.7,55.1 109.7,47.0 56.5,195.0 81.1,246.9 78.0,247.0 75.0,506.7 76.4,963.2 80.1,1009.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[973.0,247.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3361447,40.7838458]}},{"type":"Feature","properties":{"resourceCoords":[78.0,247.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.338289,40.7835007]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Pennsylvania | 1913 | sanborn07503_006 p8 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.94"},{"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":"4998.0"}],"created":"2026-10-19T07:38:05Z","modified":"2026-10-19T07:38:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"111.8,230.8 113.0,408.0 120.2,676.5 124.2,1248.5 298.6,1248.5 317.1,1178.3 791.1,1245.3 895.5,998.4 895.5,994.5 895.5,994.1 897.3,994.1 899.5,988.9 1475.0,955.3 1461.5,930.4 1499.0,907.5 1561.7,694.8 1565.9,276.4 1459.3,166.4 1282.7,110.6 814.9,89.6 485.7,207.1 1.0,214.8 1.0,230.7 111.8,230.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[121.0,938.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3348631,40.7830538]}},{"type":"Feature","properties":{"resourceCoords":[567.0,938.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.333802,40.7832056]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Pennsylvania | 1913 | sanborn07503_006 p8 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.78"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3582.0"},{"label":"split_canvas_y","value":"3978.0"},{"label":"split_canvas_w","value":"2870.0"},{"label":"split_canvas_h","value":"3674.0"}],"created":"2026-10-19T07:38:05Z","modified":"2026-10-19T07:38:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1577.3,1764.2 1591.9,1763.6 1575.0,1570.2 1547.1,1030.3 1436.0,1030.8 967.4,1048.0 914.5,1792.5 1011.2,1873.7 1555.7,1850.8 1577.3,1764.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1154.3,1045.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3551055,40.7809137]}},{"type":"Feature","properties":{"resourceCoords":[1575.0,1570.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3538762,40.7800691]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0008__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Pennsylvania | 1913 | sanborn07503_006 p8 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.81"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4998.0"},{"label":"split_canvas_w","value":"3582.0"},{"label":"split_canvas_h","value":"2654.0"}],"created":"2026-10-19T07:38:05Z","modified":"2026-10-19T07:38:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0008__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.0,1757.1 460.6,1756.4 458.6,1870.2 875.4,1907.3 875.8,1751.5 878.4,1565.8 869.1,1316.5 364.4,1282.7 99.0,1369.1 41.0,1613.3 42.0,1757.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0008__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[878.5,1560.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.346352,40.7834423]}},{"type":"Feature","properties":{"resourceCoords":[42.0,1757.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.3482976,40.7827741]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ashland, Pennsylvania | 1913 | sanborn07503_006 p9 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.32"},{"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":"4520.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T07:38:05Z","modified":"2026-10-19T07:38:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"869.0,117.7 511.6,120.2 443.2,44.5 216.8,29.4 79.8,107.5 94.9,1019.6 180.2,1686.2 261.3,1862.6 992.6,1844.0 1095.0,1731.8 926.1,230.5 869.0,117.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824am:g3824am_g075031913:07503_1913-0009__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":[-76.3242252388294,40.786435739816795]}},{"type":"Feature","properties":{"resourceCoords":[1130.1,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.32396199314847,40.78442945935151]}},{"type":"Feature","properties":{"resourceCoords":[1130.1,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.3284163649886,40.784089646746914]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.32867961066954,40.7860959272122]}}]}}]}