{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07592_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Coatesville, Pennsylvania | 1921 | 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":"42"},{"label":"placed","value":"26"},{"label":"unplaced","value":"16"},{"label":"fit sources","value":"georef 16, georef-snap 10"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 21 panels"},{"label":"unplaced pages","value":"p21__1 (tier 1, 39.97465,-75.83288 +/-100m); p25__1 (tier 2, 39.98303,-75.82689 +/-172m); p25__2 (tier 1, 39.98623,-75.82755 +/-178m); p25__3 (tier 1, 39.99372,-75.83255 +/-100m); p26__1 (tier 2, 39.98040,-75.82435 +/-338m); p26__2 (tier 1, 39.98328,-75.82486 +/-100m); p27__3 (tier 1, 39.97604,-75.81681 +/-100m); p28 (tier 1, 39.97344,-75.82171 +/-508m); p29 (tier 3, 39.96788,-75.81946 +/-581m); p30__1 (tier 1, 39.96323,-75.82106 +/-222m); p30__2 (tier 2, 39.97362,-75.81327 +/-100m); p31__1 (tier 1, 39.97553,-75.83505 +/-230m); p31__2 (tier 1, 39.97512,-75.83492 +/-170m); p4__2 (tier 1, 39.98754,-75.80406 +/-100m); p6__2 (tier 1, 39.98802,-75.80679 +/-113m); p6__3 (tier 1, 39.98850,-75.80708 +/-143m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p10","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"134.2,1057.1 167.0,700.3 149.6,570.6 192.9,93.3 666.0,128.9 877.4,127.5 1504.0,118.8 1532.6,383.1 1547.6,383.0 1554.2,689.4 1532.1,691.3 1551.7,1040.8 1555.8,1040.4 1587.4,1633.8 1417.1,1641.2 1201.8,1650.4 949.0,1663.0 688.7,1673.0 690.5,1735.2 446.4,1754.5 444.9,1633.5 68.2,1618.3 68.8,1611.6 134.2,1057.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[949.0,1663.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.815049,39.982537]}},{"type":"Feature","properties":{"resourceCoords":[670.0,389.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8162875,39.9847721]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p11","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"616.3,281.4 632.0,193.8 1555.8,173.4 1554.0,465.0 1557.2,814.8 1412.3,816.0 1414.5,1167.3 1421.2,1791.5 1162.4,1790.8 805.3,1792.8 73.9,1783.9 53.1,1783.3 65.3,1182.7 61.2,1182.8 67.4,829.0 89.8,828.7 106.0,519.3 90.8,518.2 81.7,249.6 616.3,281.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[544.0,824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8129889,39.9847497]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,465.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.810864,39.985866]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"139.9,773.1 1.0,782.0 1.0,889.9 16.1,1135.1 57.6,1761.7 903.4,1707.0 1188.7,1687.5 1198.9,1840.2 1433.0,1826.1 1550.7,1824.7 1552.2,1268.9 1550.0,1268.9 1553.7,682.2 1538.3,683.1 1557.4,332.0 1561.2,331.8 1570.8,35.9 1363.0,46.8 1103.2,67.2 102.8,129.0 117.2,422.0 139.9,773.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1160.0,1278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8080094802217,39.98471840437108]}},{"type":"Feature","properties":{"resourceCoords":[594.0,1088.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.80942581602599,39.984848940457745]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p13","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.6,1336.2 36.5,1336.3 31.4,752.5 16.1,753.7 29.9,404.1 33.6,403.8 38.7,109.3 84.8,106.2 467.8,82.0 466.9,63.3 1026.8,77.8 1385.2,184.2 1248.4,183.8 1413.9,441.1 1369.5,441.5 1377.5,713.8 1358.8,714.0 1552.6,1034.5 1595.9,1034.1 1598.8,1326.8 1368.7,1327.9 1200.7,1590.5 1260.9,1590.4 831.9,1887.8 801.5,1888.0 70.0,1888.6 45.5,1889.3 38.6,1336.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[802.0,1591.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.805181,39.984684]}},{"type":"Feature","properties":{"resourceCoords":[802.0,720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8055742,39.986258]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"108.2,1440.7 162.9,1189.5 40.9,729.5 2.9,137.2 853.0,55.9 932.3,64.4 1538.8,145.8 1518.6,357.6 1543.5,1027.9 1534.4,1027.3 1450.8,1387.4 1569.9,1880.6 1468.3,1869.2 1114.7,1794.3 874.3,1748.8 637.2,1696.2 295.2,1624.2 229.6,1609.8 51.4,1572.7 108.7,1478.5 108.2,1440.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[488.0,476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.82034760693975,39.98097157208765]}},{"type":"Feature","properties":{"resourceCoords":[856.0,1751.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.81852371158058,39.97897025447133]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p15","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"28"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"219.3,1830.0 335.2,1829.9 486.8,1819.3 612.2,1803.7 780.3,1790.0 1048.0,1754.7 1585.6,1716.6 1584.7,1605.3 1595.0,1366.8 1612.0,807.5 1612.0,168.1 1369.0,168.8 1097.6,166.4 1096.3,231.1 841.3,239.2 845.6,113.2 454.3,78.8 455.2,71.8 1.0,54.6 1.0,281.0 91.3,958.2 82.0,958.5 31.6,1335.8 202.0,1829.7 219.3,1830.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[799.0,1199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.815787,39.980511]}},{"type":"Feature","properties":{"resourceCoords":[374.0,670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.817036,39.981255]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"46.3,1614.7 49.4,1379.3 49.3,827.9 31.1,198.0 50.6,197.4 271.9,191.7 468.1,186.3 1210.6,153.2 1572.8,130.7 1565.8,825.4 1557.6,1520.9 349.2,1684.1 348.0,1689.1 300.9,1690.7 50.6,1724.3 46.3,1614.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[738.0,882.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.81253229585576,39.981682379172206]}},{"type":"Feature","properties":{"resourceCoords":[70.0,186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.81441161757462,39.98267430652346]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p17","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1304.1,1830.2 1246.5,1712.6 716.1,1591.8 99.0,1595.2 80.7,1597.5 94.2,910.6 106.4,224.5 365.8,212.4 1209.9,163.3 1494.6,145.6 1503.8,298.1 1533.0,866.0 1566.2,1448.7 1565.0,1494.6 1496.7,1495.7 1404.5,1818.9 1304.1,1830.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[101.0,474.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8108437,39.9828712]}},{"type":"Feature","properties":{"resourceCoords":[1533.0,866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8072935,39.9827169]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p18","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1529.2,1545.6 1509.4,1837.0 1443.9,1861.9 1337.3,1712.1 1136.2,1657.2 908.8,1619.7 402.0,1693.6 208.1,1602.2 192.9,1604.1 281.0,1276.1 350.0,1274.0 350.6,1227.5 308.1,639.4 269.9,66.0 505.8,49.7 649.2,46.8 1390.3,50.8 1388.7,804.3 1381.0,1243.3 1242.3,1260.3 1241.3,1357.2 1375.4,1401.7 1612.0,1501.8 1612.0,1523.7 1529.2,1545.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[350.0,1274.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.806904,39.981601]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,647.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.804779,39.983084]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p19","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"47.0,999.5 104.9,983.7 79.2,237.1 264.6,311.9 292.6,235.6 474.5,168.7 971.9,249.2 1100.5,91.9 1335.3,52.3 1522.4,121.0 1481.0,255.2 1567.4,288.9 1519.8,937.2 1511.5,937.2 1519.1,1244.1 1528.0,1244.2 1517.0,1527.2 1511.4,1527.2 1509.0,1794.0 1512.2,1912.0 370.6,1912.0 119.2,1623.1 47.0,999.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1003.0,1237.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8327324,39.9801685]}},{"type":"Feature","properties":{"resourceCoords":[1509.0,1794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.831142,39.979532]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"82.3,1373.1 87.9,1373.0 98.3,1089.6 89.5,1089.5 81.2,782.2 89.5,782.3 135.8,133.0 393.9,233.2 578.4,245.4 969.5,144.1 1514.0,161.8 1556.4,649.5 1511.1,1010.7 1518.5,1803.0 1220.4,1762.5 1220.6,1643.3 631.2,1643.3 365.1,1634.8 365.1,1638.6 80.8,1651.1 80.5,1640.2 82.3,1373.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[372.0,1382.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.83070067636652,39.98015689611333]}},{"type":"Feature","properties":{"resourceCoords":[98.0,1655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.83109073064017,39.97951756508628]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0021__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p21 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.88"},{"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":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0021__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.0,428.1 35.5,983.7 86.5,1126.5 694.0,1239.2 808.4,1622.5 802.8,1815.5 909.3,1845.2 952.1,1790.2 1527.3,1883.7 1580.7,1754.4 1596.0,1099.0 1585.2,1097.8 1587.4,1027.0 1588.4,986.4 1381.2,468.3 1464.2,468.3 1345.8,204.7 1279.3,205.2 1201.5,114.4 1202.8,1.0 178.2,1.0 54.0,210.4 47.4,210.4 40.0,424.0 52.0,428.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0021__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.83347338735902,39.977520238027275]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.8298315252702,39.97850366340083]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.82830936552152,39.9751941367935]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.83195122761035,39.97421071141994]}},{"type":"Feature","properties":{"resourceCoords":[1579.0,211.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8297404,39.9781179]}},{"type":"Feature","properties":{"resourceCoords":[1579.0,211.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8297404,39.9781179]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p22","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"77.5,245.8 1.0,247.7 1.0,945.9 77.9,1033.6 143.6,1032.3 263.4,1291.4 181.4,1292.4 391.7,1801.8 391.2,1842.0 389.8,1912.0 400.6,1912.0 401.5,1834.7 649.5,1849.9 948.8,1759.8 1545.7,1832.4 1581.9,1545.4 1515.4,1131.5 1487.9,257.5 1194.1,224.2 1191.7,107.1 612.7,119.9 351.1,117.3 351.1,121.0 72.1,139.5 77.5,245.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[89.0,703.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.830654,39.978533]}},{"type":"Feature","properties":{"resourceCoords":[363.0,703.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8300254,39.9786968]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1529.2,927.2 1500.2,931.7 1501.4,1239.0 1612.0,1399.0 1612.0,1680.1 1586.3,1676.9 1512.7,1771.9 1509.5,1771.5 1492.8,1875.2 1167.0,1716.4 1002.1,1731.0 578.5,1697.2 256.9,1750.7 274.6,1707.0 77.4,1632.8 30.4,1338.6 70.7,1128.4 43.2,1062.2 90.0,863.3 86.7,683.9 133.6,638.6 190.1,646.7 249.9,527.0 244.9,318.6 361.3,231.2 826.8,140.5 875.3,75.8 1070.9,121.0 1109.7,83.8 1294.0,70.8 1319.8,43.4 1530.0,59.4 1536.5,192.0 1552.7,200.1 1528.5,305.1 1541.5,554.0 1557.2,562.5 1529.2,927.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[848.0,1459.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.83676119143682,39.97712531361655]}},{"type":"Feature","properties":{"resourceCoords":[1254.0,1459.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8349921540915,39.977802423879766]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p24","metadata":[{"label":"streets","value":"17"},{"label":"intersections","value":"45"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.3,1086.4 69.6,1457.2 68.2,1673.4 1.0,1682.3 1.0,1730.5 66.3,1751.3 183.2,1799.4 183.9,1810.0 503.0,1843.9 527.7,1870.8 877.2,1891.4 1200.3,1814.0 1450.5,1868.1 1543.5,1848.2 1581.5,1464.8 1600.4,605.5 1571.1,283.9 1537.8,203.3 1563.2,167.2 1528.1,175.5 1511.6,64.6 1080.0,65.9 711.6,27.0 234.2,94.2 195.2,183.6 174.2,183.2 353.2,235.3 285.1,235.5 368.2,363.4 346.0,363.7 350.7,499.4 341.4,499.6 438.8,659.0 460.4,658.6 462.5,804.6 347.8,805.7 264.6,937.0 294.6,936.9 81.4,1086.2 66.3,1086.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[905.0,1079.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.801084,39.984741]}},{"type":"Feature","properties":{"resourceCoords":[1347.0,929.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.799124,39.985584]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0027__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p27 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.46"},{"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":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0027__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"116.3,303.3 127.5,298.0 514.8,322.8 614.2,327.7 614.1,329.2 615.0,329.2 628.5,618.4 559.9,827.5 485.2,893.4 480.4,905.0 472.4,904.7 469.0,907.6 122.1,892.9 51.6,939.8 19.4,1151.3 56.2,1389.2 41.3,1802.3 101.3,1860.3 410.9,1813.6 724.4,1830.0 982.0,1807.5 1437.9,1873.9 1547.6,1855.8 1611.6,1587.1 1556.0,1048.0 1468.7,1004.0 1467.5,1004.0 1265.2,1006.0 1265.2,1004.0 1264.5,1004.0 1270.9,818.6 1272.5,768.2 1241.0,715.0 1276.8,650.4 1276.8,649.4 1277.3,649.4 1278.2,647.8 1519.8,611.5 1574.7,569.4 1567.1,332.7 1500.4,97.0 1520.2,1.0 1505.9,1.0 1497.5,1.6 1376.2,22.1 1119.8,57.2 992.6,82.5 912.5,94.2 852.9,105.6 780.6,115.5 725.0,119.1 666.3,121.9 487.8,113.3 366.8,110.1 246.9,103.2 74.3,95.1 73.7,95.0 80.0,301.5 91.8,293.8 103.7,283.8 116.3,303.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0027__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[490.0,146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.81786514922597,39.978929994549574]}},{"type":"Feature","properties":{"resourceCoords":[571.0,912.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.81685509125496,39.97617089226444]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0027__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p27 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.09"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1190.4"},{"label":"split_canvas_w","value":"2456.8"},{"label":"split_canvas_h","value":"2429.6"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0027__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"193.8,307.3 176.9,347.6 148.7,345.2 137.9,332.5 145.1,321.3 117.1,317.1 42.4,337.8 36.7,482.4 30.1,492.5 13.2,482.6 1.4,885.6 18.6,842.1 36.0,836.5 42.9,849.0 142.4,853.5 119.5,885.8 324.2,881.3 295.1,876.0 289.4,866.6 300.0,852.6 476.3,893.8 593.0,600.6 575.0,573.7 563.5,583.6 553.0,609.1 542.7,390.2 510.9,389.0 423.1,386.5 442.4,337.0 447.2,319.5 407.2,317.6 193.8,307.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0027__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[254.1,795.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8210138,39.9771636]}},{"type":"Feature","properties":{"resourceCoords":[423.1,386.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.82049,39.978803]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p2 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"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":"3960.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3691.2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1376.4,1804.2 1431.1,1254.0 1404.9,991.5 1397.2,991.5 1385.5,991.6 1383.7,991.6 1379.5,991.6 1372.8,1044.4 254.5,1032.7 172.8,1015.4 184.1,1157.4 184.0,1545.1 185.9,1809.8 1376.4,1804.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1403.0,1545.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.817626,39.985624]}},{"type":"Feature","properties":{"resourceCoords":[184.0,1545.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.820479,39.98516]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p2 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.93"},{"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":"4000.4"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"332.0,930.1 1315.7,926.1 1312.0,656.0 1309.6,260.5 1297.1,115.7 990.9,52.7 325.1,122.7 127.1,265.9 223.4,431.4 241.4,642.0 266.3,653.2 332.0,930.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[332.0,930.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.822601,39.984323]}},{"type":"Feature","properties":{"resourceCoords":[1312.0,656.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.820479,39.98516]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p3","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.0,456.0 59.3,428.0 120.6,350.9 133.2,113.5 844.1,15.7 1448.7,30.6 1545.8,103.7 1580.0,100.3 1481.5,634.8 1529.0,637.0 1580.3,1362.8 1532.1,1362.5 1535.7,1621.4 1539.9,1621.4 1544.8,1884.5 741.2,1878.3 527.0,1875.0 48.5,1828.4 102.4,1279.2 75.9,1017.2 50.5,1017.4 121.0,456.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[958.0,441.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.816112,39.987988]}},{"type":"Feature","properties":{"resourceCoords":[527.0,1875.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8164138,39.9852466]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"85.7,1880.7 455.9,1892.7 469.4,1804.0 1399.7,1758.1 1377.6,1466.5 1367.8,1189.5 1520.5,591.1 1432.2,596.9 1529.9,253.8 1481.4,250.2 1478.2,135.7 1370.8,140.6 1363.0,237.4 1291.0,349.4 1327.9,583.8 1118.8,594.8 871.6,614.4 847.1,609.0 847.7,522.6 847.9,496.6 770.4,112.4 524.3,61.8 165.1,87.5 52.9,622.5 100.6,625.9 134.3,1356.9 85.8,1355.5 83.1,1615.8 87.3,1616.0 85.7,1880.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[500.0,1487.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.81327587561883,39.9864893327442]}},{"type":"Feature","properties":{"resourceCoords":[1387.0,1778.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.81105825557668,39.98634509464451]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p5","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1367.7,1717.2 1108.4,1722.9 111.0,1728.0 97.3,1438.0 95.4,1162.8 263.8,573.2 176.1,576.5 282.7,238.7 884.5,300.9 989.9,275.9 1034.2,166.3 1257.7,96.9 1574.8,218.7 1576.4,379.7 1584.8,548.2 1405.3,552.0 1424.4,700.1 1524.1,699.1 1519.6,1152.8 1505.5,1153.0 1518.7,1429.8 1531.2,1429.7 1556.0,1718.1 1367.7,1717.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[869.0,562.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.810003,39.988818]}},{"type":"Feature","properties":{"resourceCoords":[111.0,1728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8110398,39.9863859]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"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":"4205.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.6,688.8 117.6,1154.5 103.1,1154.9 121.3,1438.8 134.1,1438.5 164.4,1734.2 231.1,1733.4 625.0,1730.3 625.1,1711.1 595.1,1708.7 587.7,1458.6 906.9,1421.9 910.2,1410.9 976.5,1175.4 1007.1,275.2 935.9,156.6 165.2,197.2 158.7,194.8 163.0,360.0 174.4,532.8 1.0,539.4 1.0,613.9 12.3,691.4 114.6,688.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[525.1,1429.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.80704785557542,39.9877758672459]}},{"type":"Feature","properties":{"resourceCoords":[590.2,521.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.80741439104686,39.98938280989645]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p7","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1247.5,53.8 1309.0,328.0 1433.0,883.5 1393.9,883.1 1445.3,1312.4 1453.5,1312.3 1305.2,1912.0 1282.1,1853.4 1048.8,1810.0 910.4,1506.5 722.1,1465.3 539.8,1501.3 419.9,1702.7 212.4,1680.0 89.8,1547.0 147.0,1354.7 141.4,860.3 293.4,408.1 246.6,344.7 292.4,66.4 958.8,49.2 992.0,50.0 1247.5,53.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[519.0,595.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8242987,39.9835409]}},{"type":"Feature","properties":{"resourceCoords":[1309.0,328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.822601,39.984323]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1095.0,1670.4 1014.5,1667.2 162.9,1807.5 149.1,1703.5 333.1,1082.0 325.0,1081.7 293.2,650.5 332.2,652.8 233.6,92.1 1203.5,144.7 1181.2,630.7 1161.8,785.6 1135.1,1117.0 1149.8,1117.7 1218.7,1678.5 1095.0,1670.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1082.0,1671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.81968649650443,39.98194476732854]}},{"type":"Feature","properties":{"resourceCoords":[342.0,666.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.82200058199551,39.98336472397826]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Coatesville, Pennsylvania | 1921 | sanborn07592_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T07:28:24Z","modified":"2026-10-19T07:28:24Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"179.3,1118.5 164.7,1118.2 179.5,786.6 193.3,631.2 198.2,145.4 1395.5,158.9 1332.2,644.4 1344.8,777.5 1297.0,1140.4 1208.0,1703.8 268.2,1675.7 179.3,1118.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075921921:07592_1921-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[125.0,1692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.81969136516007,39.98190853094487]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.8175760134234,39.985159118141446]}}]}}]}