{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07616_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Delaware Co., Pennsylvania | 1919 | 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":"122"},{"label":"placed","value":"87"},{"label":"unplaced","value":"35"},{"label":"fit sources","value":"georef-snap 50, georef 35, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"11 sheet(s) cut into 23 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 39.88241,-75.34736 +/-260m); p107 (tier 2, 39.92564,-75.26381 +/-626m); p110__1 (tier 2, 39.92506,-75.24877 +/-547m); p110__2 (tier 1, 39.92669,-75.25372 +/-194m); p19__1 (tier 2, 39.87180,-75.34420 +/-420m); p19__2 (tier 1, 39.87298,-75.34889 +/-113m); p2 (tier 2, 39.88283,-75.33631 +/-1322m); p28 (tier 1, 39.88410,-75.30494 +/-521m); p33__1 (tier 1, 39.86208,-75.32055 +/-324m); p33__2 (tier 1, 39.86646,-75.31632 +/-316m); p40 (tier 2, 39.90678,-75.29188 +/-2559m); p55 (tier 2, 39.88478,-75.29686 +/-296m); p57__1 (tier 1, 39.87927,-75.29704 +/-373m); p58 (tier 2, 39.86415,-75.30596 +/-206m); p59 (tier 2, 39.86583,-75.30027 +/-170m); p6 (tier 2, 39.90090,-75.31932 +/-1292m); p63 (tier 1, 39.86593,-75.29386 +/-470m); p68__1 (tier 1, 39.86398,-75.27823 +/-364m); p68__2 (tier 2, 39.86288,-75.28379 +/-525m); p69__1 (tier 2, 39.87401,-75.28428 +/-816m); p69__2 (tier 2, 39.87401,-75.28428 +/-816m); p70__1 (tier 1, 39.89720,-75.28205 +/-956m); p70__2 (tier 3, 39.88232,-75.26576 +/-1489m); p71__1 (tier 2, 39.88619,-75.27795 +/-838m); p71__2 (tier 1, 39.88746,-75.28206 +/-101m); p71__3 (tier 1, 39.88703,-75.27760 +/-344m); p72__1 (tier 1, 39.89362,-75.26749 +/-164m); p72__2 (tier 2, 39.89606,-75.26504 +/-134m); p73__1 (tier 1, 39.89089,-75.26495 +/-338m); p73__2 (tier 2, 39.90217,-75.26294 +/-180m); p75 (tier 2, 39.89314,-75.27010 +/-147m); p76 (tier 2, 39.88989,-75.28638 +/-384m); p81 (tier 2, 39.89311,-75.27986 +/-3692m); p84 (tier 1, 39.91001,-75.25919 +/-508m); p96 (tier 2, 39.91410,-75.29668 +/-517m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p10","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"25"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0010","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.8,72.6 222.8,17.6 240.7,32.2 1043.1,33.9 1062.5,8.3 1305.5,163.4 1305.5,163.7 1357.7,825.4 1342.2,1088.2 1344.3,1127.5 1340.0,1217.4 1328.7,1271.1 1296.3,1369.2 1246.6,1503.3 1108.1,1905.7 1080.0,1989.3 947.2,1951.7 816.2,1923.7 670.3,1902.1 442.1,1887.5 265.3,1885.2 74.6,1891.2 78.2,223.3 187.7,223.1 181.8,72.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[443.0,1477.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3191397,39.8958237]}},{"type":"Feature","properties":{"resourceCoords":[257.0,657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3223173,39.8977308]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0100/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p100","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.05"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0100/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0100","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.3,708.9 72.3,841.4 54.4,928.5 61.1,928.4 36.5,962.7 38.0,962.8 59.7,1031.4 53.5,1031.5 57.3,1136.0 65.8,1136.0 57.0,1241.7 60.4,1241.7 57.4,1340.8 57.5,1340.8 73.8,1448.2 74.4,1448.2 63.1,1872.5 1.0,1872.9 1.0,1876.5 684.0,1871.2 684.0,1880.8 651.9,1881.0 650.9,1941.2 736.7,1891.3 741.7,1904.3 785.4,1913.3 847.4,1890.2 855.1,1889.3 863.0,1895.6 876.9,1932.4 1080.4,1974.7 1073.7,1791.5 1078.2,1791.5 1078.9,1791.5 1082.0,1791.4 1099.6,1948.8 1179.8,1909.3 1182.2,1928.2 1350.1,1842.2 1318.5,1823.6 1311.0,1769.0 1347.5,1671.5 1343.3,1543.8 1325.6,1520.8 1316.3,1408.8 1348.5,1035.0 1332.5,750.0 1345.4,515.2 1374.1,402.6 1371.2,279.8 1341.1,143.0 1345.8,74.8 1322.8,46.6 1150.8,47.7 927.5,22.8 397.4,26.1 60.1,74.1 54.1,73.2 51.6,175.3 50.4,173.6 47.9,336.8 68.0,337.2 68.8,371.7 57.4,380.4 53.7,700.1 68.3,708.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0100/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[364.0,572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2804553,39.9275241]}},{"type":"Feature","properties":{"resourceCoords":[364.0,362.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2814964,39.9288804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0101/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p101","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.50"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0101/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0101","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"273.8,1321.2 283.6,1305.4 290.1,1294.8 314.9,1254.5 316.3,1252.3 344.8,1206.4 443.6,1454.0 487.7,1493.8 518.1,1533.2 644.6,1531.9 1035.8,1872.0 1036.1,1872.3 1039.0,1874.8 1058.2,1885.0 1106.4,1901.4 1268.8,1950.3 1278.5,1916.7 1271.8,1586.2 1267.2,1398.9 1260.3,1015.8 1253.3,671.6 1392.0,670.2 1392.0,635.8 1378.7,635.7 1297.7,586.1 1251.4,258.6 1238.7,232.8 1195.7,206.6 1171.0,225.8 1025.4,106.7 783.1,138.4 740.6,112.5 396.7,281.4 392.4,242.9 228.2,320.3 198.0,1.0 180.9,1.0 206.1,1272.1 242.3,1298.3 250.1,1304.0 261.3,1312.2 273.8,1321.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0101/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[785.0,1119.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.26314397373407,39.91998687908588]}},{"type":"Feature","properties":{"resourceCoords":[1275.0,1016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.26139180754672,39.92125453998547]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0102/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p102","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0102/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0102","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"731.4,49.1 751.1,74.0 876.6,45.6 947.8,71.3 1114.1,32.8 1219.0,74.4 1312.6,70.2 1364.1,344.1 1357.6,1159.7 1360.8,1161.7 1357.8,1187.8 1356.8,1307.2 1312.1,1330.0 1150.0,1482.8 839.8,1768.2 713.1,1883.3 592.8,1996.8 592.2,1997.2 20.5,1348.7 150.1,1386.8 159.7,1352.7 150.8,1017.0 144.9,826.9 135.6,437.9 126.2,88.5 267.1,86.2 267.9,51.2 731.4,49.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0102/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[552.0,1451.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.25728407480571,39.91885688208734]}},{"type":"Feature","properties":{"resourceCoords":[466.0,749.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.25935080095257,39.92087938448751]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0103/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p103","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0103/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0103","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1178.3 1.0,1205.8 65.6,1199.4 127.6,1673.0 129.7,1730.3 70.9,1730.2 81.1,1745.2 232.4,1955.0 263.7,1975.3 298.6,1979.2 298.8,1919.3 624.0,1912.3 929.7,1903.2 929.3,1882.3 1194.2,1922.4 1195.8,1992.2 1360.0,1979.0 1376.0,1977.7 1376.0,1975.0 1385.8,1974.4 1380.5,1706.0 1379.8,1706.0 1379.1,837.9 1359.2,806.4 1333.0,761.5 1325.1,741.0 1325.0,740.8 1324.5,737.0 1250.9,213.2 1152.7,129.5 1118.1,101.2 1046.8,51.1 984.0,233.8 603.7,162.3 607.1,112.3 337.8,227.6 332.8,227.2 346.2,29.5 138.1,653.6 185.2,654.2 7.2,1177.6 1.0,1178.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0103/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[566.0,520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.26227723406477,39.915719049292086]}},{"type":"Feature","properties":{"resourceCoords":[625.0,1722.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.25678583842132,39.91461119990842]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0104/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p104","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.66"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0104/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0104","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"395.8,68.1 398.5,77.7 296.4,112.3 267.1,183.4 137.2,213.0 101.5,122.5 94.9,560.2 24.8,1368.8 37.1,1889.5 66.7,1935.8 277.9,1963.6 1173.2,1930.4 1180.9,1960.7 1306.0,1935.4 1321.8,1699.3 1350.4,1698.6 1344.7,1359.2 1344.7,1359.0 1348.7,1299.1 1343.7,1299.2 1377.8,949.9 1372.2,949.8 1384.3,769.4 1278.6,594.0 1269.8,578.4 1327.9,583.2 1330.5,526.5 1307.8,53.0 1242.4,54.0 1244.7,26.9 1251.8,26.6 1263.0,1.0 1227.4,1.0 1168.6,55.3 395.8,68.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0104/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1037.0,850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.25652350213304,39.9116427534826]}},{"type":"Feature","properties":{"resourceCoords":[1342.0,1902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.25132446319384,39.911875542946504]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0105/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p105","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0105/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0105","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"875.8,83.9 1140.2,121.2 1142.4,190.8 1294.9,177.0 1325.3,519.0 1323.5,519.2 1329.8,773.9 1339.8,1039.4 1348.0,1338.0 1343.4,1338.2 1352.5,1513.5 1346.5,1513.7 1329.8,1827.8 1288.5,1848.4 1280.0,1894.2 1026.0,1953.7 414.1,1958.2 104.7,1871.8 94.5,1433.8 57.7,1330.4 180.3,1293.6 174.5,1056.1 203.0,1052.8 166.1,714.0 164.6,653.5 159.6,654.1 161.5,301.8 155.9,302.2 151.4,120.7 182.3,162.7 213.7,182.6 248.5,186.2 248.1,126.6 572.0,116.6 876.5,104.7 875.8,83.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0105/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[256.0,121.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2563756948718,39.91330387149589]}},{"type":"Feature","properties":{"resourceCoords":[926.0,1186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.25059586540783,39.91441654795761]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0106/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p106","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0106/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0106","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"71.4,359.4 89.8,698.7 88.1,698.8 85.7,950.9 86.5,1213.8 84.4,1509.4 79.8,1509.5 82.9,1683.2 77.0,1683.1 49.7,1993.2 143.3,1950.2 463.4,1972.5 795.4,1903.4 967.0,1915.0 1107.7,1859.0 1159.2,1679.7 1141.7,1566.2 1192.6,1543.9 1160.9,1407.7 1286.5,1352.3 1322.6,1093.3 1319.4,857.1 1278.9,650.8 1306.8,138.0 1255.1,91.7 1229.0,1.0 1227.5,1.0 1208.8,17.0 1127.8,103.1 1080.0,89.6 859.5,91.6 442.3,90.3 272.9,88.8 109.2,90.2 107.8,357.3 82.2,358.8 71.4,359.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0106/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[295.0,1519.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.24896732223806,39.916435335825085]}},{"type":"Feature","properties":{"resourceCoords":[107.0,91.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.25578263399102,39.91722704907345]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0108/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p108","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.32"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0108/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0108","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1346.1,317.2 1350.5,317.1 1350.5,569.7 1345.0,569.8 1347.5,979.7 1348.9,979.7 1351.0,1102.0 1348.2,1192.3 1347.7,1300.9 1346.2,1300.9 1348.2,1539.8 1355.1,1539.7 1347.0,1628.5 1345.9,1799.1 1338.1,1805.1 1313.7,1968.7 1312.0,1970.5 1260.0,1963.8 72.7,1954.9 58.7,1810.9 36.2,1733.2 30.2,1491.2 65.9,1143.2 64.2,765.5 32.8,586.4 30.8,315.3 15.3,258.3 28.2,115.0 55.7,44.9 332.4,14.7 977.6,13.0 1350.9,56.2 1346.1,317.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0108/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1016.0,1545.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.249719,39.9298882]}},{"type":"Feature","properties":{"resourceCoords":[1016.0,887.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2528803,39.9341293]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0109/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p109","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.26"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0109/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0109","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.4,305.5 49.1,42.4 80.3,45.2 111.4,22.5 128.1,37.8 223.9,41.7 366.2,25.0 369.9,37.4 395.3,36.6 400.7,22.9 431.4,35.3 446.7,18.6 525.5,15.4 1093.3,16.6 1313.6,48.3 1345.8,65.8 1351.9,277.5 1378.1,450.2 1383.7,455.4 1392.0,449.4 1392.0,903.4 1384.8,909.3 1381.3,1153.9 1367.5,1225.6 1374.2,1543.8 1347.5,1735.6 1350.9,1956.2 697.6,1985.9 275.9,1976.3 182.9,1986.4 58.0,1973.3 55.9,1971.1 76.8,1805.6 84.5,1799.4 81.7,1627.3 87.7,1537.7 80.8,1538.0 73.2,1297.2 74.7,1297.1 72.7,1187.7 73.5,1096.5 68.5,973.3 67.2,973.4 55.0,560.1 60.6,560.0 54.8,305.3 50.4,305.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0109/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[234.0,1532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2456851,39.9317212]}},{"type":"Feature","properties":{"resourceCoords":[87.0,304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2525407,39.9391564]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p11","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.08"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0011","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1316.1,255.3 1312.4,254.7 1306.1,349.2 1302.2,348.1 1332.7,462.4 1324.7,459.8 1327.5,693.0 1359.5,612.1 1320.7,830.2 1354.1,877.8 1352.0,879.5 1304.5,1022.7 1309.8,1020.0 1329.9,1117.2 1322.4,1116.1 1331.4,1214.1 1334.9,1214.7 1332.3,1539.8 1338.8,1541.1 1334.5,1719.7 1339.6,1872.2 1328.8,1870.0 1319.6,1914.7 1206.7,1885.1 1206.2,1887.1 1085.3,1873.5 1086.7,1866.3 967.6,1866.4 971.4,1849.0 819.9,1899.9 818.6,1933.0 714.8,2007.0 707.9,2007.0 708.3,1998.8 405.6,1955.0 405.4,1961.4 215.4,1948.5 215.2,1960.0 32.8,1956.1 41.2,1932.8 114.6,1734.2 140.8,1668.0 158.0,1619.6 160.1,1610.5 164.2,1593.0 167.3,1548.3 166.7,1528.8 177.3,1398.2 158.7,1068.3 158.7,1068.1 39.5,988.5 63.7,958.2 72.8,323.7 58.7,146.4 84.5,48.6 229.3,47.5 309.0,41.1 339.8,21.9 511.2,14.7 847.9,35.8 893.3,21.8 1069.0,35.0 1127.5,22.6 1297.0,48.1 1316.1,255.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[107.0,1755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3159966,39.8974641]}},{"type":"Feature","properties":{"resourceCoords":[1244.0,1523.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3091048,39.9042282]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.15"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0012","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"60.8,34.4 135.4,26.7 149.2,38.7 211.5,20.2 422.2,9.8 1233.7,25.8 1241.2,39.6 1328.6,47.9 1337.2,60.3 1333.5,234.3 1391.0,507.9 1391.5,802.2 1362.2,1075.2 1376.8,1729.0 1392.0,1741.7 1392.0,1746.3 1392.0,1754.4 1363.9,1799.2 1363.0,1783.2 1341.5,1923.6 1203.7,1844.7 1048.9,1849.8 1053.2,1845.2 886.0,1865.7 881.8,1870.1 859.3,1848.8 722.7,1891.0 585.8,1817.7 599.7,1832.3 331.9,1793.7 333.4,1786.9 190.3,1807.0 193.6,1790.5 78.0,1861.4 74.7,1711.2 81.0,1532.1 74.5,1530.8 80.8,1204.6 77.4,1203.9 69.5,1105.5 76.9,1106.7 57.9,1009.0 52.5,1011.6 101.8,868.4 104.0,866.8 71.0,818.6 112.4,600.2 79.4,681.0 79.2,446.9 87.3,449.7 58.0,334.7 61.9,335.8 69.2,241.1 73.0,241.8 56.2,33.6 60.8,34.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[45.0,1857.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3065041,39.9026019]}},{"type":"Feature","properties":{"resourceCoords":[110.0,1538.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3080491,39.9046891]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p13","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0013","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1295.5,66.6 1220.3,44.7 1059.6,70.7 792.0,49.1 529.8,120.4 108.8,74.5 178.0,181.0 92.1,476.6 116.6,463.5 300.1,637.6 282.2,800.8 137.9,993.8 103.5,1171.8 124.2,1239.7 68.7,1391.5 30.6,1673.9 1.0,1711.1 1.0,1865.9 565.6,1961.7 576.6,1907.2 1059.5,1825.3 1148.8,1958.8 1165.8,1974.6 1201.5,1994.6 1374.7,1963.7 1354.6,1933.0 1341.8,1508.7 1256.2,1381.0 1258.8,1380.9 1328.0,1334.4 1325.6,1053.4 1271.3,974.3 1306.5,898.5 1309.3,479.2 1309.8,479.3 1295.5,66.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[74.0,1536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3432836,39.8738172]}},{"type":"Feature","properties":{"resourceCoords":[296.0,1010.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3440247,39.8758483]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0014","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.2,475.9 68.7,899.9 29.8,975.0 81.4,1057.4 72.0,1341.7 1.0,1385.2 1.0,1391.8 78.6,1518.7 73.5,1948.4 92.5,1980.3 176.7,1963.8 238.3,1944.2 839.9,1939.9 1124.9,2007.0 1256.3,2007.0 1320.4,1936.5 1329.8,1936.4 1362.5,1519.4 1364.9,1518.4 1365.8,1387.8 1372.2,1065.2 1375.0,726.8 1379.8,525.6 1382.8,220.3 1292.0,75.5 917.0,73.3 708.8,20.0 384.2,27.4 165.3,82.3 92.7,57.8 89.7,475.9 89.2,475.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[690.0,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.33780678261654,39.879525572934526]}},{"type":"Feature","properties":{"resourceCoords":[1358.0,1065.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.33540681828202,39.881122036149954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0015","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.4,1.8 66.5,302.5 69.8,500.7 80.4,834.0 87.0,1151.8 91.3,1280.4 88.9,1281.5 73.3,1693.3 64.1,1693.7 1.0,1769.0 1.0,1834.7 590.1,1924.5 631.9,1923.5 822.1,1918.5 1099.8,1901.3 1316.5,1892.3 1296.3,1489.6 1292.2,1490.4 1312.7,596.9 1219.9,706.5 1323.8,290.3 1239.3,288.4 1220.7,313.0 1115.4,322.2 1007.2,235.8 962.2,157.9 870.7,266.6 768.2,184.8 741.9,89.2 534.2,109.9 436.9,50.8 353.2,44.6 117.2,89.2 57.4,1.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[327.0,1196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.33333520748232,39.88067743556273]}},{"type":"Feature","properties":{"resourceCoords":[1308.0,1916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.32746756188922,39.88086073049466]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0016","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"191.3,136.1 376.1,265.9 552.8,274.8 600.2,274.8 915.4,237.5 916.8,190.4 1266.4,272.1 1265.1,317.0 1241.4,316.0 1343.2,1312.6 1334.4,1457.5 1320.7,1773.7 941.9,1783.2 942.5,1830.6 565.8,1839.0 565.2,1905.5 296.2,1907.8 83.1,1903.9 81.3,1493.7 77.2,1494.3 139.6,587.4 40.1,694.4 165.1,276.2 79.4,270.4 191.3,136.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[90.0,1902.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.32748806738178,39.8809707292369]}},{"type":"Feature","properties":{"resourceCoords":[940.0,1781.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.32483383378704,39.88334149565972]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0017","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"255.1,347.0 333.0,344.4 610.1,336.2 684.3,335.6 852.8,328.3 904.0,329.9 1039.2,325.7 1230.5,317.3 1239.2,733.3 1214.8,734.4 1274.1,1960.8 1116.9,1963.2 1098.3,1963.5 1099.2,1907.7 1081.2,1903.5 375.7,1869.1 230.8,1875.7 229.3,1812.3 224.2,1494.0 224.4,1347.9 62.9,353.1 86.7,352.7 255.1,347.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1049.0,754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.32350729539388,39.88911879592123]}},{"type":"Feature","properties":{"resourceCoords":[231.0,1586.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.32414688634397,39.88492555068831]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p18","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.52"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0018","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"223.3,1653.6 189.0,449.6 213.0,449.0 212.4,40.8 394.8,43.9 766.9,36.0 952.2,38.6 1142.0,33.0 1325.2,40.6 1327.3,445.5 1331.3,445.4 1307.1,947.1 1287.9,944.3 1254.9,1324.9 1286.2,1379.0 1268.3,1748.2 1274.3,1747.3 1269.0,1779.3 1266.7,1782.6 786.4,1763.8 787.8,1806.4 700.7,1823.2 603.8,1855.0 603.0,1822.3 424.2,1796.2 424.1,1822.8 240.3,1684.7 239.4,1653.7 233.2,1653.6 227.4,1653.6 223.3,1653.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[425.0,1653.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.318426,39.8866395]}},{"type":"Feature","properties":{"resourceCoords":[213.0,449.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3228586,39.8896002]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.56"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0020","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"576.6,1688.0 576.0,1692.8 544.4,1690.9 270.6,1690.8 148.4,1573.5 200.2,1477.8 240.7,1190.2 207.8,778.5 62.7,363.4 89.8,103.0 791.0,131.6 948.6,115.5 1128.2,50.6 1195.3,73.6 1208.4,58.0 1205.7,156.7 1204.2,212.2 1189.9,209.4 1167.0,285.4 1137.3,389.3 1121.8,488.6 1169.4,1111.8 1258.5,1401.2 1236.1,1766.7 1164.4,1756.9 874.0,1717.3 578.0,1678.0 577.8,1679.6 576.6,1688.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[706.0,826.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.34250546247819,39.86979088328675]}},{"type":"Feature","properties":{"resourceCoords":[931.0,1738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3388706351962,39.867760836742626]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.33"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0021","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"955.1,1724.8 1241.2,1751.5 1229.2,1432.8 1252.7,1407.8 1248.4,1403.2 1249.7,1217.5 1248.3,1201.3 1249.9,1184.9 1254.5,1137.5 1280.4,871.5 1306.3,579.8 1299.1,532.6 1318.6,519.2 1386.0,200.2 1373.2,202.7 1337.0,183.3 1319.8,167.7 1228.2,35.7 746.5,126.0 736.3,180.7 154.5,92.1 135.1,168.7 117.3,243.8 110.2,273.3 99.2,372.6 174.2,989.9 275.6,1273.5 269.5,1637.7 197.8,1631.2 1.0,1613.3 1.0,1658.0 950.5,1764.6 955.1,1724.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[282.0,1281.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3386632231706,39.86947452082132]}},{"type":"Feature","properties":{"resourceCoords":[126.0,372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.34192294836785,39.8717846544669]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0022","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"499.0,1944.8 499.8,1923.0 1309.5,1927.7 1309.2,1920.8 1350.6,1921.3 1354.1,1838.4 1329.5,974.7 1333.5,974.9 1337.3,646.9 1338.1,647.6 1343.2,379.2 1340.3,382.0 1342.2,227.3 1346.7,188.1 1392.0,192.9 1392.0,147.5 1111.1,106.2 826.6,132.5 509.4,161.8 449.4,186.7 366.6,210.3 204.9,246.5 144.9,572.6 125.5,586.7 134.0,634.4 115.4,931.5 96.2,1202.5 91.6,1267.5 93.4,1283.9 97.1,1472.7 101.5,1477.3 78.3,1503.2 99.0,1826.8 1.0,1821.0 1.0,1878.7 50.1,1883.4 60.0,1890.0 55.0,1916.8 145.2,1918.0 158.3,1915.4 464.5,1917.7 499.0,1944.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[304.0,1341.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.33419355957625,39.87212003213315]}},{"type":"Feature","properties":{"resourceCoords":[538.0,309.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.33617191314208,39.87565099866803]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0023","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"623.9,1894.8 625.1,1854.5 625.4,1846.3 644.3,1847.9 1206.9,1894.8 1252.3,1898.5 1277.4,1648.3 1305.5,1621.8 1307.0,1159.3 1295.2,1160.4 1322.8,845.1 1339.8,843.8 1355.2,601.6 1359.2,601.5 1357.5,162.8 1146.8,175.4 909.2,181.0 305.3,87.5 305.3,68.1 305.4,21.6 309.3,17.0 176.8,22.1 166.7,20.1 164.6,65.7 119.4,58.7 113.0,97.8 103.8,252.8 106.8,250.2 89.1,519.2 88.3,518.4 69.0,847.2 65.0,846.8 48.9,1714.3 41.5,1797.3 1.0,1794.9 1.0,1815.8 623.9,1894.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[66.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.32848033406025,39.872706117739654]}},{"type":"Feature","properties":{"resourceCoords":[1208.0,1174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3261221750578,39.87705153297657]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0024","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"135.6,844.2 152.8,843.3 173.6,599.5 177.6,599.5 185.4,157.3 259.9,154.5 483.7,150.4 700.0,149.7 973.0,141.4 972.0,74.0 1354.1,57.1 1360.4,233.8 1368.4,458.5 1372.3,683.9 1371.7,926.1 1330.2,923.6 1304.7,1052.7 1291.7,1052.3 1303.3,1448.8 1301.7,1646.3 1106.7,1640.2 1039.1,1645.3 963.8,1630.4 963.8,1637.5 729.3,1777.3 734.0,1976.7 705.6,1974.2 650.6,1968.4 55.4,1906.2 41.5,1904.8 72.2,1653.0 101.1,1626.9 112.8,1160.8 100.8,1161.6 135.6,844.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[273.0,607.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.32689061017979,39.879208409608175]}},{"type":"Feature","properties":{"resourceCoords":[973.0,29.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3261191477028,39.88241049568703]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0025","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"84.0,108.7 465.9,83.6 466.1,147.2 611.7,143.3 1318.9,191.2 1336.9,195.7 1335.0,251.7 1334.0,653.8 1305.9,712.5 1334.0,1262.6 1306.6,1260.3 1294.3,1729.3 550.9,1854.4 68.1,1822.2 63.9,1738.3 61.9,1541.8 43.0,1147.6 55.9,1147.8 78.9,1018.9 120.2,1020.6 116.4,779.7 108.3,555.5 96.2,332.1 84.0,108.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1334.0,644.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3186706014954,39.8846690560241]}},{"type":"Feature","properties":{"resourceCoords":[76.0,1548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.32060174790237,39.87928369315024]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0026","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"153.5,211.8 312.9,212.3 324.9,212.3 325.9,243.6 511.1,382.2 511.2,355.5 691.2,381.4 692.1,414.4 789.6,382.1 877.2,365.1 875.7,322.2 1359.2,340.2 1355.8,413.5 1365.2,417.9 1316.5,845.0 1336.6,847.6 1277.9,1337.9 1286.9,1339.1 1269.4,1576.8 1254.4,1575.1 1222.2,1851.1 963.1,1817.0 963.5,1813.8 818.0,1820.3 817.9,1887.6 749.9,1803.2 751.8,1784.4 300.0,1757.4 18.4,1678.8 96.2,1665.7 107.9,1204.2 134.9,1206.5 106.9,665.2 134.4,607.4 135.2,211.8 153.5,211.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[955.0,1811.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3119837785654,39.883094655340884]}},{"type":"Feature","properties":{"resourceCoords":[129.0,267.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.31968226566998,39.885600339744684]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.39"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0027","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.1,202.1 30.4,810.0 41.9,1298.9 80.3,1421.3 63.3,1588.9 96.3,1748.0 194.6,1747.8 318.7,1826.5 261.4,1924.0 635.1,1946.7 654.4,1923.2 1295.9,1910.5 1366.7,1629.8 1306.4,1556.0 1355.9,1351.1 1338.0,456.9 1358.6,424.5 1332.8,259.3 1344.7,258.7 1334.7,228.4 1392.0,226.5 1392.0,207.7 1392.0,189.9 406.2,168.9 402.1,123.0 306.2,123.0 1.0,123.9 1.0,162.8 63.1,202.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[385.0,716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.33735149247885,39.866040823271874]}},{"type":"Feature","properties":{"resourceCoords":[273.0,144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.33922140591143,39.86755676944744]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p29","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.03"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0029","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.5,130.0 59.6,272.2 33.5,462.0 32.2,1672.5 44.5,1871.8 83.5,1934.6 770.2,1929.3 1299.6,1976.6 1369.0,1933.9 1370.4,1817.0 1392.0,1784.9 1392.0,1748.5 1392.0,1621.7 1310.4,50.0 1301.8,50.0 1304.2,93.8 736.0,69.7 735.2,60.4 1.0,79.9 1.0,100.5 41.5,130.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[772.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3285725,39.8726526]}},{"type":"Feature","properties":{"resourceCoords":[1319.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3262072,39.8738742]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p3","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0003","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1282.2,1937.2 1226.8,1921.7 1022.8,1974.4 527.3,1907.9 93.4,1920.3 99.5,1677.0 41.5,1549.2 34.1,1033.0 92.4,617.0 59.9,512.2 116.3,302.8 78.4,152.8 105.7,90.7 275.9,30.6 1245.6,40.1 1381.9,141.6 1383.0,303.0 1392.0,304.0 1392.0,1852.0 1282.2,1937.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[335.0,672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3407737,39.8944901]}},{"type":"Feature","properties":{"resourceCoords":[595.0,784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.339676,39.8947776]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p30","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.34"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0030","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"34.8,1768.8 89.0,49.4 93.5,49.8 98.3,50.2 654.5,96.3 713.0,101.2 1297.7,149.3 1327.4,151.8 1311.8,975.6 1320.2,976.4 1328.7,1349.7 1316.7,1362.0 1337.9,1534.9 1335.0,1685.6 1263.9,1774.3 1289.7,1913.1 982.1,1978.4 679.9,1972.3 493.3,1922.0 44.2,1916.2 19.9,1946.6 34.8,1768.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[626.0,580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3226639,39.8735692]}},{"type":"Feature","properties":{"resourceCoords":[626.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3241134,39.8749569]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p31","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.39"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0031","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"111.8,393.3 139.7,395.6 134.2,199.6 364.0,61.0 364.0,54.0 438.2,68.3 504.6,63.0 696.4,68.0 699.4,151.0 1176.2,189.4 1339.2,164.3 1338.9,202.6 1370.5,205.1 1371.8,311.1 1351.0,318.1 1348.3,342.1 1372.2,352.9 1376.5,728.8 1360.7,723.9 1358.8,1594.9 1388.4,1596.5 1366.5,1979.0 1305.0,1917.0 985.5,1954.5 938.1,1953.7 943.7,1929.5 131.9,1899.6 90.2,1903.5 68.6,1929.5 74.1,1778.4 55.8,1604.7 68.1,1592.5 66.0,1217.9 57.6,1217.0 87.4,390.8 111.8,393.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[363.0,421.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3202321,39.8769549]}},{"type":"Feature","properties":{"resourceCoords":[214.0,1775.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3166661,39.8728076]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.32"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0032","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,109.4 1.0,146.9 30.9,149.2 33.1,252.7 12.8,259.5 10.4,282.9 34.0,293.4 41.5,660.0 26.0,655.2 32.0,1504.8 61.0,1506.2 43.0,1879.5 88.2,1924.5 191.4,1930.0 1009.0,1921.6 1028.1,1918.2 1046.2,1754.5 1068.8,1756.3 1047.5,1563.7 1045.8,1563.6 1148.1,966.5 1262.3,976.8 1266.3,247.9 1200.0,164.5 1201.9,146.1 758.8,114.3 482.8,33.9 1.0,109.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0032/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.31777844586694,39.88026761319224]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.31255189121285,39.88358128142197]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30637107319707,39.87775885850627]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.31159762785116,39.87444519027654]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p34","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.68"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0034","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"341.2,64.2 532.7,58.0 710.2,60.2 939.4,74.6 1085.8,96.1 1217.4,124.1 1350.7,161.8 1348.7,167.0 1355.4,365.6 1345.1,366.2 1336.1,1190.6 1339.0,1189.0 1326.7,1488.8 1329.1,1489.2 1313.8,1757.4 955.1,1693.4 938.6,1690.5 924.9,1684.8 888.8,1670.0 94.0,1783.4 97.6,1712.8 113.0,1412.1 81.6,1357.5 115.8,974.8 135.1,977.7 160.9,473.0 156.9,473.1 155.8,65.8 341.2,64.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1244.0,1474.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3116561,39.8918638]}},{"type":"Feature","properties":{"resourceCoords":[940.0,468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3158168,39.8940219]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.66"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0035","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"218.9,1895.3 216.4,1914.3 51.4,1769.6 54.1,1770.0 61.1,1502.0 58.6,1501.6 61.6,1202.2 58.7,1203.8 42.0,381.0 52.3,380.1 39.4,182.2 41.2,176.9 52.3,139.9 419.5,127.7 418.7,104.5 802.3,109.8 802.0,96.8 1392.0,149.6 1392.0,498.2 1392.0,658.9 1369.3,839.4 1362.5,838.8 1327.3,1106.8 1329.9,1107.1 1298.7,1233.4 1294.8,1233.0 1221.6,1737.3 1210.8,1733.1 1100.5,1692.8 1096.8,1708.2 1274.4,1823.2 1392.0,1849.1 1392.0,1878.6 218.9,1895.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1165.0,1090.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.30828833671816,39.89567968144012]}},{"type":"Feature","properties":{"resourceCoords":[416.0,355.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.31327368922001,39.89615780807298]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0036__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p36 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"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":"5572.0"},{"label":"split_canvas_h","value":"8032.0"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0036__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0036","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"31.6,589.5 30.6,589.6 87.7,1095.7 85.4,1277.6 78.6,1277.8 73.6,1548.0 76.2,1548.0 59.4,1677.0 55.5,1677.0 46.8,1947.5 294.7,1971.3 295.7,1884.8 298.1,1679.2 298.5,1643.7 962.5,1661.5 1246.5,1649.3 1287.1,1012.5 1207.3,1003.5 1218.4,857.1 1231.1,467.8 1240.3,217.8 1006.1,196.7 1006.0,200.7 761.1,214.2 761.5,199.4 525.0,239.4 526.8,203.6 242.7,355.4 251.3,421.5 57.3,615.8 54.3,589.0 31.6,589.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0036__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[429.0,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.30968713410056,39.90118249330411]}},{"type":"Feature","properties":{"resourceCoords":[303.0,1884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.30585310602517,39.89536592078565]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0036__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p36 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.21"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1571.2"},{"label":"split_canvas_y","value":"6712.8"},{"label":"split_canvas_w","value":"1624.8"},{"label":"split_canvas_h","value":"1319.2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0036__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0036","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"736.2,1711.4 500.6,1711.8 515.4,1937.8 504.6,1936.0 394.5,1920.4 394.2,1935.4 581.1,2007.0 707.4,2007.0 760.4,1993.9 747.4,1841.6 736.2,1711.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0036__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[504.6,1936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3062467,39.8939034]}},{"type":"Feature","properties":{"resourceCoords":[759.1,1978.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3049922,39.8941789]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p37","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.34"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0037","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.4,440.9 72.6,440.9 71.2,435.1 266.6,246.6 267.5,280.4 539.4,179.6 539.5,193.5 1082.1,154.1 1048.2,131.5 1349.3,216.2 1253.6,270.4 1283.7,290.9 1317.8,323.7 1291.9,555.2 1293.5,555.4 1299.4,724.0 1302.5,724.5 1286.4,1138.3 1298.4,1136.1 1297.8,1335.6 1288.8,1335.8 1361.0,1878.8 637.2,1977.5 638.2,2007.0 635.5,2007.0 119.9,1960.7 132.7,1323.9 52.4,1317.9 57.1,1171.4 52.8,782.6 50.4,440.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0037/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30752798096437,39.904020166381564]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30169181819002,39.9064747138747]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29711192106394,39.8999753882389]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2008.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.30294808383829,39.89752084074576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.48"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0038","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"74.6,1527.0 73.9,1327.0 62.0,1329.4 75.3,914.4 72.2,914.0 65.2,745.0 63.7,744.9 88.0,512.5 53.7,480.0 23.6,459.9 366.9,259.6 420.6,291.1 426.9,280.6 744.7,164.5 738.3,175.4 1038.8,95.0 1335.3,184.0 1369.1,410.3 1371.8,409.4 1371.7,760.2 1358.5,760.6 1362.2,1241.2 1364.1,1241.1 1372.5,1476.3 1368.2,1476.5 1381.9,1794.0 1205.4,1801.7 1136.4,1801.5 1125.8,1798.0 792.0,1769.5 791.1,1754.2 787.4,1692.5 242.0,1911.6 258.1,1978.7 167.6,1970.2 169.1,2007.0 132.4,2007.0 65.7,1527.3 74.6,1527.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0038/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[786.0,1760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.29551569283427,39.90245579263863]}},{"type":"Feature","properties":{"resourceCoords":[1201.0,1283.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.29483507298058,39.90471716997272]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p39","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.65"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0039","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.8,140.1 117.3,22.2 205.9,72.5 232.0,36.3 281.6,40.1 265.1,60.5 298.8,33.1 381.4,39.5 402.4,69.4 843.0,26.9 934.5,68.9 1309.7,99.5 1376.8,671.8 1339.2,986.5 1370.1,1813.7 1392.0,1825.8 1392.0,1893.3 987.0,1980.8 986.0,1962.0 438.4,1960.0 437.9,1957.4 224.2,1963.7 223.7,2007.0 209.2,2007.0 23.8,2007.0 26.5,1696.9 30.8,1697.0 34.6,1459.5 32.6,1459.5 54.0,975.1 67.3,975.4 85.7,622.0 82.8,622.8 60.6,393.0 69.5,396.1 62.2,108.5 69.8,140.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[986.0,1962.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2891443,39.9053486]}},{"type":"Feature","properties":{"resourceCoords":[257.0,965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2945431,39.9070934]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.35"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0004","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1245.8,97.5 1031.8,26.4 284.2,24.4 77.4,48.0 44.6,146.4 1.0,191.9 1.0,1660.5 38.8,1693.7 72.7,1899.9 32.6,1945.3 113.9,1947.9 543.4,1965.0 551.6,1980.4 1164.5,1972.5 1164.7,1968.9 1355.7,1942.2 1224.7,1512.3 1237.8,1509.8 1185.7,1351.7 1207.7,1343.7 1211.3,1237.7 1298.9,1207.2 1220.0,987.5 1230.2,689.8 1385.0,564.0 1254.2,304.9 1245.8,97.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1146.0,86.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3350498,39.9011126]}},{"type":"Feature","properties":{"resourceCoords":[674.0,1119.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3334788,39.8971224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p41","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0041","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"59.0,946.1 81.2,1440.3 90.3,1440.0 112.0,1677.8 96.8,1678.5 110.2,1956.5 240.5,1948.2 379.4,1939.5 602.2,1933.0 613.1,1910.2 612.5,1865.3 834.7,1906.0 834.9,1939.8 1080.3,1851.3 1347.0,1854.0 1352.6,1597.0 1350.8,1329.5 1357.7,1066.7 1352.2,1066.8 1351.4,703.1 1368.2,703.4 1377.2,440.7 1376.3,297.0 1192.2,175.7 829.9,172.8 813.1,172.7 804.2,170.7 798.5,169.4 775.1,164.2 760.4,160.9 1.0,404.4 1.0,448.2 6.9,514.0 17.0,516.9 38.7,946.9 59.0,946.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0041/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1347.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3059763,39.8861467]}},{"type":"Feature","properties":{"resourceCoords":[308.0,580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3132771,39.8883353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p42","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0042","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"55.4,1611.2 57.1,1342.7 67.4,1079.0 61.9,1078.9 65.7,714.0 82.7,714.5 95.1,451.0 96.1,287.4 1304.1,118.7 1328.5,751.7 1334.3,751.9 1334.7,1112.2 1335.3,1223.6 1335.8,1380.1 1181.8,1376.0 695.9,1450.1 688.8,1638.2 680.9,1887.5 500.0,1884.5 281.6,1878.8 146.8,1871.2 46.5,1869.0 55.4,1611.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0042/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[59.0,1873.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.30591526098745,39.88615704218475]}},{"type":"Feature","properties":{"resourceCoords":[695.0,1093.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3051678424899,39.889780229591096]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p43","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"27"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0043/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0043","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.7,1879.0 86.5,1861.2 84.3,1504.8 78.6,1504.6 51.4,878.7 15.8,883.9 11.0,854.9 80.7,845.8 79.8,685.0 78.7,461.3 77.6,267.3 77.5,256.4 77.3,221.0 739.3,227.5 988.2,212.5 1357.0,249.5 1228.0,303.5 1210.5,303.2 1166.8,485.8 1182.0,485.9 1245.5,712.9 1323.8,1266.8 1392.0,1423.4 1392.0,1430.7 1392.0,1523.7 1361.2,1523.2 1392.0,1691.6 1392.0,1727.6 1392.0,1821.2 456.9,1851.3 456.9,1865.7 86.7,1879.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0043/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[548.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3005217,39.8916709]}},{"type":"Feature","properties":{"resourceCoords":[339.0,691.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3042471,39.8950946]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p44","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.23"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0044","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"428.9,1692.0 1.0,1615.5 1.0,1617.5 279.0,1819.8 378.1,1795.8 345.1,1948.8 533.3,1861.1 528.4,1832.2 1392.0,1885.3 1387.5,1859.9 1322.4,1567.3 1331.2,1565.2 1332.5,1242.5 1337.0,1241.5 1349.9,48.3 1262.1,17.3 1254.4,54.3 1217.8,46.1 1210.8,110.6 465.8,37.8 459.5,67.7 283.0,10.6 141.3,36.8 123.9,32.8 40.2,206.9 55.5,210.4 70.0,452.6 28.2,1027.0 62.9,1199.3 41.0,1300.2 10.2,1293.1 4.0,1485.6 1.0,1505.1 1.0,1604.1 430.9,1682.6 428.9,1692.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1044.0,1325.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.29431887031022,39.89671158447484]}},{"type":"Feature","properties":{"resourceCoords":[34.0,150.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.30149152945377,39.89740793567903]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p45","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0045","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"607.2,57.5 603.3,119.3 602.4,134.6 931.0,203.9 941.1,208.7 972.2,212.6 1009.8,217.3 1186.3,231.3 1187.0,221.9 1187.1,220.9 1385.2,235.0 1385.1,236.0 1384.2,247.1 1331.9,242.9 1333.0,304.6 1342.2,809.4 1340.8,809.4 1330.2,1072.5 1323.7,1072.5 1326.0,1375.8 1331.6,1375.8 1332.2,1478.3 1392.0,1786.8 1392.0,1859.3 1392.0,1901.4 1331.2,1915.7 1200.7,1946.3 1198.4,1937.7 934.5,1927.0 911.4,1864.2 576.0,1938.1 595.4,1990.5 600.7,2005.1 578.4,2007.0 291.4,2007.0 201.4,1754.4 209.7,1751.2 172.1,1438.0 176.4,1436.5 37.7,208.6 607.2,57.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0045/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[793.0,1545.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.29085886903442,39.898607762831766]}},{"type":"Feature","properties":{"resourceCoords":[974.0,2020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.28884977432341,39.897564226324654]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p46","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0046","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.0,1377.5 92.0,1075.5 98.3,1074.9 86.7,811.9 88.1,811.7 29.7,248.2 82.2,247.9 82.1,192.8 294.4,183.6 294.9,186.2 839.0,180.5 840.2,199.1 1241.3,106.5 1240.4,39.5 1241.4,40.0 1248.5,43.8 1247.9,105.0 1327.7,86.6 1354.8,433.6 1338.5,433.7 1351.5,703.2 1356.5,702.8 1350.8,965.5 1350.1,965.6 1339.2,1268.9 1341.5,1268.7 1313.7,1776.4 1247.2,1775.2 1030.4,1770.9 813.0,1768.4 633.9,1766.3 608.8,1771.5 435.8,1829.1 251.1,1888.8 230.3,1895.5 220.6,1781.4 134.8,1479.1 125.5,1377.0 120.0,1377.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1035.0,1767.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.28452879887523,39.90068667935404]}},{"type":"Feature","properties":{"resourceCoords":[355.0,437.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2905260294965,39.90364573554069]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0047/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p47","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.58"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0047/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0047","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"210.1,1759.2 416.2,1750.3 477.4,1753.8 502.9,1777.3 530.0,1768.5 670.3,1771.8 821.3,1951.7 821.1,2007.0 1376.0,2007.0 1376.0,1975.0 1392.0,1974.0 1392.0,1960.5 1384.6,1960.7 1376.0,1960.8 1273.4,1232.1 1257.5,1151.1 1282.3,1148.7 1282.8,1148.6 1290.7,1147.8 1174.7,40.0 1157.8,38.1 1145.1,36.8 1114.9,89.9 984.0,138.9 890.4,93.8 794.0,96.7 560.5,29.6 323.6,55.4 221.9,38.7 90.2,74.8 62.7,108.7 1.0,76.3 1.0,135.0 77.3,116.7 106.8,453.4 90.9,453.7 106.0,715.4 110.8,714.9 107.6,970.2 107.0,970.2 99.1,1264.9 101.3,1264.7 78.9,1758.1 210.1,1759.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0047/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[392.0,958.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.28396342242428,39.90437532661936]}},{"type":"Feature","properties":{"resourceCoords":[392.0,694.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.28460514232337,39.90524032565704]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p48","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"23"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0048","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"134.1,208.3 277.7,182.6 277.9,185.8 539.6,185.4 670.0,181.4 809.2,177.1 1032.2,177.7 1043.8,155.2 1044.6,110.3 1265.4,158.2 1263.5,227.8 1260.0,351.0 1257.2,636.5 1250.6,932.9 1251.3,968.4 1262.9,967.2 1280.3,1583.6 1278.6,1583.7 1246.7,1844.4 963.2,1929.3 923.5,1959.3 847.1,1907.7 746.0,1889.4 497.1,1936.7 255.6,1915.0 209.1,1977.3 136.0,2001.5 131.3,1833.0 154.4,1831.6 105.9,1639.6 104.3,1639.8 124.0,1020.1 240.8,1013.7 134.1,208.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0048/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[281.0,429.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3113202,39.882342]}},{"type":"Feature","properties":{"resourceCoords":[1260.0,351.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3075255,39.8844463]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p49","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0049","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"146.4,1573.8 148.1,1573.7 114.1,963.3 102.7,964.8 101.0,929.6 99.4,635.8 94.5,352.8 94.6,230.5 94.6,195.0 338.4,108.5 602.8,112.3 702.0,113.7 835.1,120.2 1050.9,124.0 1229.6,125.5 1218.5,568.7 1252.5,552.2 1299.5,921.7 1276.2,932.9 1377.7,1170.2 1370.8,1182.2 1376.4,1379.0 1337.4,1491.4 1204.5,1495.5 1139.3,1609.8 1142.0,1678.8 1205.5,1715.0 1146.6,1744.5 1047.3,1910.9 1092.9,1932.9 1009.8,1925.1 640.5,1912.7 640.9,1933.2 444.8,1927.0 444.9,1933.9 287.4,1929.9 287.6,1939.5 85.5,1845.0 121.9,1833.0 146.4,1573.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0049/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[283.0,1833.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.30320841170244,39.880047946138426]}},{"type":"Feature","properties":{"resourceCoords":[1229.0,391.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.30269678291225,39.886399709054665]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0005","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.9,664.7 248.8,540.0 119.9,279.7 113.0,72.0 149.0,84.3 569.9,16.4 1266.3,32.1 1347.3,129.2 1373.3,315.3 1347.2,499.1 1392.0,1021.5 1392.0,1023.3 1357.8,1155.0 1358.3,1861.0 1379.4,1879.9 1335.8,1933.1 1335.5,1972.8 1034.7,1945.3 1034.8,1930.4 725.3,1924.6 722.1,1920.5 255.8,1953.7 273.3,2007.0 235.1,2007.0 81.2,1487.8 94.3,1485.4 43.4,1326.8 65.4,1319.0 69.9,1212.9 157.8,1183.0 80.4,962.6 92.9,664.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1343.0,1481.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.32578311178261,39.900477113843465]}},{"type":"Feature","properties":{"resourceCoords":[1044.0,468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.33007590502122,39.90251589323968]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p50","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0050","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"198.1,1700.7 221.7,1689.6 177.6,1316.5 143.2,1332.8 158.4,885.9 166.5,637.6 168.8,578.0 173.8,450.2 657.9,376.9 811.3,381.0 810.9,225.1 810.5,132.1 1240.7,119.2 1247.6,138.8 1275.2,138.9 1278.6,793.2 1304.7,780.8 1300.3,1178.8 1271.3,1192.7 1222.0,1672.5 1234.5,1702.7 1204.5,1670.1 1198.8,1703.8 1051.9,1636.7 933.2,1657.2 865.8,1728.8 569.4,1790.7 475.9,1855.8 326.5,1892.4 298.2,1941.0 198.1,1700.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[350.0,1235.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.30169989269213,39.8865015010557]}},{"type":"Feature","properties":{"resourceCoords":[1053.0,232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.30121328965714,39.890967082803115]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0051","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"297.2,1975.7 297.6,1956.8 343.3,2007.0 382.6,2007.0 384.8,1856.5 685.1,1858.3 684.8,1889.3 976.5,1834.1 1379.1,1639.0 1385.1,1477.8 1376.0,1425.4 1350.1,1320.0 1299.1,1050.1 1319.2,1041.0 1351.8,739.5 1392.0,716.4 1392.0,692.0 1356.2,612.8 1355.1,187.6 1266.1,230.8 956.8,94.6 1381.8,78.7 1381.8,69.4 957.1,83.7 954.0,69.5 939.1,1.0 933.6,1.0 933.8,84.5 1.0,116.0 1.0,130.4 56.6,128.3 63.6,147.7 91.0,147.6 99.2,796.2 125.0,783.7 123.5,1178.3 94.9,1192.3 49.5,1668.3 62.0,1698.2 32.1,1666.1 26.8,1699.6 48.2,1709.2 104.2,1876.1 297.2,1975.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0051/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[352.0,676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.29816855124369,39.89045808214413]}},{"type":"Feature","properties":{"resourceCoords":[352.0,153.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2994195231323,39.892132495090074]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p52","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0052","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.7,399.4 225.9,273.6 214.8,247.0 1052.0,105.2 1041.9,81.8 1031.6,60.4 1031.2,59.4 1317.6,28.9 1339.7,24.7 1354.0,54.0 1294.7,64.1 1337.6,398.6 1343.0,396.1 1329.0,855.4 1356.1,851.8 1335.2,1120.8 1312.7,1347.7 1308.5,1396.3 1308.1,1400.8 1309.5,1400.5 1368.1,1634.7 1279.8,1857.2 1287.4,1912.2 1161.6,1872.1 1059.7,1896.0 907.2,1820.1 871.8,1876.5 403.9,1981.0 403.8,2007.0 379.5,2007.0 341.0,1949.0 341.0,1932.5 33.8,1751.5 109.3,1713.5 112.9,1550.5 103.0,1497.5 75.1,1391.3 19.4,1119.1 39.6,1109.6 68.0,804.1 108.3,780.1 108.0,755.6 70.5,675.9 65.7,399.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0052/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[341.0,1949.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2900734,39.8889177]}},{"type":"Feature","properties":{"resourceCoords":[990.0,1394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2886514,39.8918356]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p53","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.48"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0053","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"448.3,1925.6 348.3,1959.2 121.5,1921.8 102.1,1969.9 44.4,1733.5 42.9,1733.9 47.9,1680.4 71.7,1451.9 94.3,1180.9 67.0,1184.4 83.6,721.7 78.2,724.1 36.6,386.8 96.5,377.0 75.4,333.2 50.6,282.4 380.6,173.9 410.3,234.8 677.0,218.7 680.1,227.2 808.4,183.1 889.0,155.3 1074.9,92.0 1249.0,31.1 1274.2,25.4 1367.4,25.0 1387.7,652.0 1374.3,603.5 1383.9,1016.0 1377.0,1018.1 1376.8,1852.7 494.9,1843.3 496.0,1954.6 448.3,1925.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0053/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[684.0,232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.28813867055715,39.89825332502437]}},{"type":"Feature","properties":{"resourceCoords":[373.0,1641.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2861681541478,39.8932532945171]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p54","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0054/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0054","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.7,208.1 345.0,207.8 561.8,209.4 763.4,210.3 975.4,200.5 1038.3,203.9 1064.7,228.0 1092.5,218.8 1237.0,221.7 1392.0,405.1 1392.0,1663.9 1342.3,1710.1 1342.1,1657.4 1097.8,1797.2 1098.5,1850.5 1084.7,1871.8 1085.0,1923.7 880.8,1934.2 880.5,1889.3 660.0,1904.0 660.1,1937.6 448.6,1950.3 349.4,1954.2 349.5,1965.7 44.6,1975.6 47.2,1189.5 54.0,1187.4 45.9,779.8 58.9,827.8 40.7,208.2 127.7,208.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0054/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[342.0,668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.28347076932513,39.89919208231443]}},{"type":"Feature","properties":{"resourceCoords":[879.0,1492.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.27930296401561,39.897530257312006]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p56","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.63"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0056","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.7,390.1 17.3,641.0 83.4,812.2 82.5,1005.6 43.4,1076.9 36.2,1220.5 35.7,1789.2 75.0,1840.3 83.3,1925.0 474.9,1933.6 493.4,1969.0 662.5,1914.4 832.0,1935.9 1052.6,1918.0 1316.5,1721.6 1331.7,1670.9 1302.4,1317.6 1278.1,1262.1 1215.1,1223.2 1322.8,1004.2 1298.3,910.7 1382.3,535.3 1382.2,308.3 1357.9,308.4 1319.2,250.5 1319.2,234.0 1011.7,54.2 683.8,220.5 390.0,281.6 389.8,250.3 86.2,254.0 86.8,406.0 47.1,406.8 1.0,358.0 1.0,376.5 28.7,390.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0056/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[87.0,449.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.294758,39.8861158]}},{"type":"Feature","properties":{"resourceCoords":[1087.0,16.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2915794,39.8892599]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0057__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p57 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.13"},{"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":"5572.0"},{"label":"split_canvas_h","value":"4328.0"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0057__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0057","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.0,201.2 88.4,231.7 98.4,452.0 74.7,517.2 94.2,582.5 40.6,717.4 67.8,833.7 354.1,813.7 651.5,831.0 754.9,785.7 859.0,811.1 1025.8,909.6 1061.0,967.8 1026.5,1031.1 1331.2,1064.1 1361.5,936.0 1290.4,647.4 1338.7,486.2 1326.7,233.6 1300.5,180.3 1252.7,158.4 1174.2,152.4 825.5,146.9 826.3,166.1 641.1,163.6 641.4,170.1 492.8,168.9 493.2,177.9 300.4,92.5 73.7,171.6 38.0,201.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0057__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":[-75.30557195705515,39.879403058370904]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29934618144982,39.88202045439001]}},{"type":"Feature","properties":{"resourceCoords":[1393.0,1082.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.29671551946026,39.8782832216921]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1082.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3029412950656,39.87566582567299]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p60","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0060","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1350.0,951.0 1345.1,951.0 1345.0,1783.2 1332.7,1783.9 1279.2,1933.8 482.9,1925.7 429.6,1892.1 281.9,1875.2 183.0,1815.0 84.3,1820.8 65.1,934.5 108.2,235.2 307.8,197.8 349.0,151.3 955.2,46.0 1344.6,56.0 1349.6,52.5 1350.0,951.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[961.0,951.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3028725,39.8624261]}},{"type":"Feature","properties":{"resourceCoords":[1350.0,951.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3010082,39.8623418]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0061","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"109.5,136.4 108.1,65.3 186.5,59.7 204.1,43.5 451.4,93.3 1152.5,35.9 1244.2,59.4 1344.8,35.2 1345.5,198.5 1350.8,576.6 1355.0,1078.0 1360.0,1501.2 1356.5,1501.2 1357.8,1932.0 1086.8,1957.0 241.0,1931.0 74.5,1942.8 64.1,1092.5 69.2,1092.4 57.5,174.3 109.5,136.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0061/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[735.0,1513.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.29802838748704,39.860658451783614]}},{"type":"Feature","properties":{"resourceCoords":[307.0,1099.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2998958483797,39.86225724412262]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p62","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0062","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.5,1934.8 139.0,1927.7 1290.6,1935.8 1339.1,1689.9 1324.8,1148.9 1366.3,910.9 1326.4,319.1 1368.8,316.6 1257.2,1.0 1255.4,1.0 1257.6,50.5 688.2,29.3 335.6,69.5 90.7,35.9 58.6,43.3 57.7,206.1 59.2,583.2 58.2,1083.2 59.0,1505.2 55.6,1505.2 52.5,1934.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0062/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[69.0,1503.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2950482151571,39.860546619772]}},{"type":"Feature","properties":{"resourceCoords":[69.0,601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.29478897498332,39.86380251880753]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p64","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.32"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0064","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"95.7,42.0 50.5,342.0 98.4,635.4 55.9,732.9 57.2,733.6 1.0,1050.7 1.0,1065.7 57.6,1093.3 82.1,1213.3 115.3,1911.0 143.3,1862.3 270.7,1916.2 494.0,1867.3 686.5,1924.0 863.5,1919.0 889.9,1890.3 1162.5,1936.2 1294.2,1919.5 1340.6,437.3 1340.6,437.1 1346.7,277.0 1351.4,277.0 1354.4,77.1 853.5,64.5 853.4,68.4 179.2,44.9 95.7,42.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1343.0,824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2834044,39.8674549]}},{"type":"Feature","properties":{"resourceCoords":[850.0,271.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2866321,39.8684687]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p65","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0065/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0065","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"90.1,1965.3 95.5,1921.3 101.9,1151.1 85.8,937.4 47.5,835.0 90.1,287.7 64.5,174.8 100.0,61.5 293.3,28.0 504.2,71.3 1273.1,89.3 1292.6,126.5 1317.8,138.0 1314.7,723.9 1317.5,723.9 1332.0,1931.0 1332.3,1950.9 1332.5,1966.1 838.0,1967.2 838.1,1971.0 90.1,1965.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0065/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[838.0,1320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.28832301346068,39.87130139362437]}},{"type":"Feature","properties":{"resourceCoords":[1327.0,736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.28735349361432,39.87398937719217]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p66","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0066","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"210.5,206.1 710.6,259.1 834.2,228.3 920.9,95.3 1216.4,76.5 1120.2,221.2 1171.3,370.4 1067.4,600.4 1151.1,878.0 1340.1,1112.1 1321.4,1547.7 1204.8,1529.2 1137.8,1663.4 1171.8,1849.0 1282.8,1938.8 1201.1,1938.6 109.2,1941.3 109.0,743.2 106.2,743.2 116.2,161.8 210.5,206.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0066/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[598.0,1515.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.283714,39.8722047]}},{"type":"Feature","properties":{"resourceCoords":[109.0,938.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2870208,39.8733649]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p67","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0067","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.4,296.9 62.6,83.5 62.6,63.5 1167.1,57.2 1249.8,57.0 1306.5,102.5 1266.0,312.2 1312.5,492.9 1308.6,886.8 1249.8,916.5 1114.8,1233.1 1114.5,1400.2 1165.5,1448.4 1114.0,1559.0 1170.7,1752.7 1121.3,1762.4 1085.0,1823.0 1041.4,1802.7 925.0,1842.3 886.6,1828.5 519.9,1967.9 323.2,1978.3 123.2,1926.0 107.4,1951.3 47.0,1923.2 37.0,1924.7 55.7,455.6 57.9,341.2 58.8,296.9 63.4,296.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[63.0,615.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.28386258139551,39.868191644924416]}},{"type":"Feature","properties":{"resourceCoords":[1053.0,1269.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.27828580499835,39.867552736878395]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0007","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.9,1576.0 46.5,1466.3 80.1,865.4 125.9,774.3 188.7,773.2 457.2,526.0 494.9,380.7 435.2,308.1 505.2,222.4 521.1,121.2 877.0,64.3 1142.8,100.4 1185.9,47.5 1267.5,47.0 1323.5,47.2 1323.2,304.9 1328.0,305.2 1306.8,525.8 1291.1,525.0 1255.9,850.5 1265.2,851.0 1275.3,1051.2 1272.0,1051.2 1273.8,1235.4 1274.6,1235.4 1291.3,1418.3 1287.2,1418.4 1290.5,1604.0 1288.2,1604.0 1288.3,1790.6 1259.1,1790.8 1092.5,1792.5 1092.2,1747.7 741.8,1678.7 742.0,1725.6 429.9,1773.5 382.8,1775.2 206.8,1772.5 18.6,1649.8 75.9,1576.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[894.0,830.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.33188751665404,39.89039775929454]}},{"type":"Feature","properties":{"resourceCoords":[745.0,1233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.33122241881274,39.888910895022924]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0074/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p74","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.04"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0074/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0074","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"24.2,388.9 25.1,388.9 15.4,933.8 33.6,990.0 50.9,967.9 51.5,1238.8 89.4,1324.8 96.0,1489.1 39.7,1883.3 62.8,1947.0 110.2,1928.3 265.1,1962.2 440.4,1920.5 1016.9,1907.1 1060.4,1831.2 1139.3,1853.5 1119.2,1832.8 1190.4,1708.5 1304.4,1709.7 1337.6,1627.8 1313.0,1214.7 1351.4,979.8 1351.0,300.8 1392.0,229.2 1392.0,153.3 338.6,74.6 284.2,70.5 282.6,11.4 1.0,303.1 1.0,329.4 61.1,330.4 24.2,388.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0074/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[291.0,330.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2759774,39.8896292]}},{"type":"Feature","properties":{"resourceCoords":[35.0,330.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2769587,39.8891974]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0077/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p77","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.03"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0077/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0077","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1078.2,1984.1 1115.2,1925.4 1053.9,1924.3 1053.9,1899.1 1337.6,1605.2 1339.2,1664.5 1350.8,1665.4 1348.2,401.9 1275.9,406.0 1276.0,385.9 1276.5,29.6 945.6,38.2 945.2,79.9 1.0,60.5 1.0,180.4 44.2,207.3 14.3,701.2 41.6,1946.3 95.1,1981.6 314.6,1960.2 1078.2,1984.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0077/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1089.0,1925.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2769587,39.8891974]}},{"type":"Feature","properties":{"resourceCoords":[1346.0,1925.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2759774,39.8896292]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0078/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p78","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.42"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0078/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0078","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1113.3,1842.6 1112.9,1911.5 1117.0,1904.4 1238.8,1865.0 1307.6,1882.9 1344.9,1837.7 1344.8,1826.9 1339.7,1364.2 1339.0,1364.2 1337.1,756.2 1333.1,756.4 1331.1,574.2 1392.0,584.2 1392.0,569.1 1392.0,554.2 1342.2,546.6 1268.1,1.0 1055.0,1.0 1011.0,42.0 1010.8,1.0 992.0,1.0 770.8,128.0 771.5,180.4 757.9,201.3 758.4,252.3 557.6,262.9 557.3,218.8 340.4,233.6 340.7,266.6 132.8,279.4 35.3,283.3 37.5,617.4 37.6,635.6 103.1,631.4 114.7,1776.2 1113.3,1842.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0078/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1260.0,1395.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.27258656624568,39.89372936326183]}},{"type":"Feature","properties":{"resourceCoords":[777.0,620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.27647778033149,39.895363906924985]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0079/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p79","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.48"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0079/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0079","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.4,91.6 55.0,92.6 110.8,651.9 161.2,661.4 160.1,692.0 98.5,679.5 93.8,865.1 97.9,865.1 77.8,1484.2 78.5,1484.2 66.6,1966.6 96.5,1932.8 325.9,1960.5 495.7,1930.2 544.8,1955.9 752.0,1913.8 1206.8,1975.6 1324.3,1917.7 1363.7,1866.5 1355.2,1429.0 1370.0,1396.2 1352.9,1009.0 1388.7,1020.9 1392.0,990.7 1363.7,983.1 1345.6,532.2 1338.9,499.1 1339.3,376.2 1339.5,317.8 1341.7,75.2 1327.2,74.7 1176.2,68.4 1159.8,68.2 1086.0,1.0 1.0,1.0 1.0,90.7 28.4,91.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0079/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[268.0,1491.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.27153472038428,39.8943153365278]}},{"type":"Feature","properties":{"resourceCoords":[704.0,1117.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.27068978214676,39.89631413054998]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p8","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"21"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0008","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.7,1059.4 124.0,1059.5 114.8,859.8 105.5,859.2 142.0,534.8 157.6,535.6 179.8,315.7 175.0,315.4 176.3,58.4 550.5,61.0 559.2,76.1 1171.8,48.1 1171.0,94.9 1163.2,169.5 1263.8,170.0 1258.2,359.4 1257.8,566.5 1260.0,973.2 1247.8,1386.5 1250.4,1799.9 1067.1,1795.2 878.4,1798.1 745.0,1798.4 694.5,1795.4 528.2,1797.9 455.0,1796.3 181.6,1796.6 133.8,1796.9 134.6,1610.8 136.8,1610.8 134.3,1425.7 138.4,1425.7 121.8,1243.1 120.7,1059.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[699.0,1385.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3267004,39.8910724]}},{"type":"Feature","properties":{"resourceCoords":[884.0,363.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3291243,39.8943978]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p80","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0080","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"60.3,631.2 53.0,598.5 49.8,417.9 47.0,176.2 371.2,169.2 586.6,166.1 588.1,233.4 1081.2,259.4 1081.0,240.7 1372.0,328.6 1289.2,491.1 1321.0,1385.3 1273.5,1561.8 1176.5,1611.5 1064.8,1839.8 1026.7,1817.6 979.7,1883.8 777.1,1910.3 604.9,1848.3 422.5,1920.6 148.8,1901.5 105.9,1959.8 88.4,1524.2 102.5,1491.3 77.5,1105.9 113.3,1117.1 116.0,1086.9 87.6,1080.0 60.3,631.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0080/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[244.0,1134.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2675611,39.8981072]}},{"type":"Feature","properties":{"resourceCoords":[588.0,887.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2667334,39.8995267]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0082/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p82","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0082/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0082","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.7,580.7 1.0,581.0 1.0,1719.0 43.7,1718.2 119.5,1784.6 135.7,1784.4 300.4,1788.0 624.2,1781.4 839.2,1778.5 840.7,1845.7 1332.9,1872.3 1329.8,1335.5 1329.2,1335.5 1324.0,1113.9 1331.5,1113.9 1299.0,702.1 1294.1,701.9 1277.6,356.4 1243.5,384.5 1243.5,240.1 1042.2,238.8 841.5,240.3 841.5,260.3 492.7,299.4 493.1,371.8 298.1,376.3 298.2,453.1 33.7,580.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0082/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[845.0,703.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2710525,39.9052376]}},{"type":"Feature","properties":{"resourceCoords":[497.0,1345.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2709408,39.9025535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0083/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p83","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.49"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0083/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0083","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.5,1861.3 73.8,1341.8 73.2,1341.8 67.3,1119.6 74.8,1119.6 40.9,706.8 36.0,706.6 18.3,360.2 280.9,142.9 817.1,274.1 846.4,221.8 1070.2,288.6 1070.4,299.2 1368.9,500.6 1324.8,580.5 1352.0,634.7 1316.0,696.8 1356.6,1052.0 1331.3,1300.9 1375.5,1730.5 1355.2,1927.0 1266.8,1969.4 916.7,1928.0 641.5,1955.5 375.6,1937.4 369.9,1948.8 78.5,1861.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0083/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1086.0,301.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.26582569706738,39.909292402645995]}},{"type":"Feature","properties":{"resourceCoords":[1086.0,1123.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.26385449973854,39.90668448467226]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0085/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p85","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.29"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0085/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0085","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1339.8,1103.0 1326.2,1361.8 1301.6,1362.0 1299.7,1810.0 1111.2,1812.7 1110.6,1887.0 855.8,2007.0 239.1,2007.0 152.1,1283.7 138.1,1203.0 163.2,1201.1 167.2,1200.8 171.0,1200.4 166.1,1142.6 78.4,100.1 49.1,96.3 51.9,91.7 83.9,94.8 1381.7,218.6 1380.3,267.5 1369.9,266.1 1366.4,1101.0 1339.8,1103.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0085/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1115.0,1826.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.27405585777822,39.90522472668925]}},{"type":"Feature","properties":{"resourceCoords":[1309.0,1826.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2732298345187,39.905602589820255]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0086/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p86","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0086/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0086","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"183.8,265.4 194.6,266.7 194.4,276.7 196.1,322.3 464.1,322.4 714.8,326.6 889.6,328.1 888.7,240.4 1080.8,247.2 1078.4,329.6 1267.8,331.2 1265.7,1044.8 1274.0,1043.6 1271.3,1401.8 1245.3,1657.7 1176.4,1640.5 877.8,1885.4 878.0,1740.2 675.6,1738.6 473.7,1739.8 473.6,1759.9 122.8,1798.8 121.5,1405.7 147.2,1405.2 159.2,1135.9 186.9,1133.6 183.8,265.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0086/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[676.0,1738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.27135807697128,39.907080095157]}},{"type":"Feature","properties":{"resourceCoords":[1073.0,1406.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.27052540228328,39.90886138136928]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0087/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p87","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.75"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0087/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0087","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"99.1,1637.9 124.8,1380.8 127.0,1020.8 118.6,1022.0 119.7,304.9 132.0,305.0 132.8,189.5 683.1,256.0 741.7,258.6 740.8,286.1 740.0,309.1 900.0,310.2 1018.8,311.1 1062.4,311.4 1062.3,441.3 1062.3,518.1 1088.2,518.3 1172.8,771.2 1153.7,775.9 1225.4,885.3 1250.6,1194.8 1204.5,1225.5 1265.7,1319.9 1259.0,1682.2 1292.5,1732.8 1253.0,1755.2 1125.4,1984.7 825.2,1780.8 825.0,1770.0 599.7,1702.0 569.9,1754.6 99.1,1637.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0087/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[825.0,1770.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2659208,39.9093028]}},{"type":"Feature","properties":{"resourceCoords":[132.0,305.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2722637,39.9126344]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0088/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p88","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0088/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0088","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"284.0,1041.3 257.1,735.4 185.4,627.6 204.3,622.9 118.9,373.4 93.3,373.4 92.0,169.0 291.2,169.0 837.0,169.0 838.8,182.9 892.7,250.2 966.1,161.2 1147.4,149.9 1153.1,157.0 1034.7,419.5 1030.8,422.6 909.0,270.6 1173.3,861.0 1207.9,830.1 1392.0,1248.0 1392.0,1407.5 881.7,1978.9 723.0,1899.7 435.4,1848.5 388.4,1893.4 173.8,1913.8 149.1,1956.7 121.9,1902.8 290.2,1595.3 329.1,1572.8 295.6,1523.0 299.8,1164.8 238.7,1071.8 284.0,1041.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0088/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[92.0,169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2684374,39.9143214]}},{"type":"Feature","properties":{"resourceCoords":[526.0,169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2666322,39.9151173]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0089/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p89","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0089/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0089","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"179.3,73.5 230.9,102.0 515.6,94.7 556.7,92.1 870.8,81.6 998.0,78.2 1254.9,66.9 1278.8,249.2 1292.6,339.1 1324.0,596.9 1337.7,797.6 1360.4,1001.1 1380.7,1263.1 1392.0,1409.8 1392.0,1469.6 1392.0,1645.7 17.0,1557.1 71.3,1459.3 67.8,746.0 35.9,492.6 58.1,437.6 48.1,402.5 18.8,386.2 179.3,73.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0089/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[857.0,96.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2828669850721,39.914996347096704]}},{"type":"Feature","properties":{"resourceCoords":[241.0,549.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.28438958961351,39.912448120790316]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p9","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"27"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0009","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.9,123.0 230.3,89.6 260.1,176.1 298.1,174.5 278.4,122.1 741.4,69.1 744.7,73.0 1053.2,65.6 1053.8,80.4 1354.5,94.9 1358.6,206.0 1249.0,206.0 1241.2,1874.8 1056.4,1875.7 872.8,1867.0 682.5,1871.4 496.7,1867.6 123.6,1873.2 120.0,1461.0 131.1,1048.9 127.9,643.3 127.7,436.9 132.8,248.0 32.5,247.7 40.0,173.3 40.9,123.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[120.0,1461.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3246703,39.8923483]}},{"type":"Feature","properties":{"resourceCoords":[1245.0,1047.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3217558,39.8961496]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0090/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p90","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0090/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0090","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"147.3,1065.2 127.5,861.5 116.6,660.8 88.8,402.9 76.3,312.9 54.9,130.4 438.7,117.5 438.8,128.0 1106.5,115.5 1106.5,132.5 1235.0,130.3 1236.0,857.6 1259.2,857.5 1256.9,1056.5 1227.5,1056.5 1242.0,1486.8 1259.0,1486.6 1259.2,1815.4 1058.2,1815.5 1059.8,1733.3 868.4,1728.3 870.1,1815.7 695.9,1815.8 446.0,1813.8 179.0,1816.2 176.9,1770.8 177.6,1710.2 169.9,1709.5 173.2,1474.0 163.9,1327.2 147.3,1065.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0090/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[184.0,1818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.27671849228099,39.91066264498739]}},{"type":"Feature","properties":{"resourceCoords":[1264.0,1067.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.27402531273454,39.915025048587914]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0091/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p91","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0091/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0091","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,146.7 1.0,163.8 129.6,161.6 130.6,895.1 154.0,895.0 151.7,1095.7 122.0,1095.6 136.7,1529.6 153.8,1529.4 153.9,1745.5 704.7,1807.8 763.3,1810.0 762.0,1860.5 922.0,1860.3 1084.4,1860.2 1286.0,1860.0 1274.7,1530.1 1296.9,1530.2 1304.8,1530.2 1310.3,141.8 1382.2,140.6 1382.1,120.7 1.0,146.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0091/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[154.0,1861.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2722637,39.9126344]}},{"type":"Feature","properties":{"resourceCoords":[154.0,895.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2745439,39.9156829]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0092/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p92","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.41"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0092/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0092","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"108.0,270.4 283.8,167.0 294.2,193.6 384.0,211.8 511.2,163.7 526.9,161.8 543.1,174.7 572.0,250.0 951.5,326.9 990.5,334.9 1028.6,1244.0 1073.8,1275.3 1098.1,1292.1 1114.0,1265.0 1138.2,1223.8 1167.3,1174.5 1272.7,1422.6 1318.2,1461.8 1349.8,1500.9 1305.5,1503.2 1219.8,1514.0 1295.5,1690.0 968.8,1891.1 932.2,1844.9 749.4,1855.3 674.9,1944.7 620.9,1876.6 619.2,1862.5 68.9,1859.6 59.7,1530.7 89.7,1530.9 103.7,146.8 109.4,146.8 108.0,270.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0092/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[65.0,1851.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.26764538601542,39.91470680611056]}},{"type":"Feature","properties":{"resourceCoords":[1018.0,1977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.26342449227934,39.91605868178342]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0093/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p93","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0093/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0093","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.5,236.4 350.4,239.2 599.8,235.2 863.2,232.8 1145.9,224.2 1190.3,562.9 1147.5,563.0 1158.9,752.9 1180.0,931.5 1205.5,1106.6 1223.7,1282.8 1242.2,1473.5 1285.1,1679.1 1234.5,1649.3 1066.1,1956.7 1003.3,1919.5 786.3,1919.1 634.2,1837.7 509.5,1904.6 96.3,1911.8 120.4,869.2 95.7,846.1 128.6,776.0 121.3,528.9 68.2,331.9 75.5,332.0 44.1,255.8 35.5,236.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0093/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[170.0,591.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2927264194202,39.91522041065196]}},{"type":"Feature","properties":{"resourceCoords":[591.0,237.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.29185248732884,39.917128875870894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0094/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p94","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0094/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0094","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"70.9,474.7 84.9,113.0 234.4,89.5 234.4,74.3 581.4,75.9 854.4,55.7 854.3,57.6 1242.8,108.5 1241.4,251.4 1236.9,468.7 1240.8,839.1 1275.0,1250.9 1308.8,1439.0 1323.2,1628.4 1355.0,1945.0 1094.7,1948.7 965.9,1948.3 647.7,1949.5 606.0,1950.8 317.6,1949.7 274.7,1740.8 256.4,1547.0 238.4,1368.0 213.1,1190.0 192.2,1008.6 181.2,815.8 224.6,815.7 180.5,471.6 70.9,474.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0094/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[280.0,1938.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.28565011930912,39.913829292533336]}},{"type":"Feature","properties":{"resourceCoords":[583.0,485.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.28792816445002,39.91891127224353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0095/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p95","metadata":[{"label":"streets","value":"17"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0095/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0095","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"47.7,59.0 420.2,54.4 753.7,48.7 998.1,45.1 998.6,68.2 1273.8,87.9 1318.5,228.6 1305.8,228.8 1313.7,443.2 1331.1,442.9 1313.3,659.8 1320.1,659.8 1314.4,863.0 1347.9,1083.2 1349.2,1083.2 1326.7,1953.4 1197.2,1954.5 1197.2,1961.7 553.5,1967.1 553.6,1959.5 553.6,1956.5 168.2,1965.4 135.0,1652.0 119.6,1464.5 85.2,1278.2 49.1,870.5 43.4,503.5 46.6,288.2 47.7,59.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0095/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[135.0,1652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2821651,39.916724]}},{"type":"Feature","properties":{"resourceCoords":[238.0,503.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2845163,39.9205347]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0097/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p97","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.63"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0097/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0097","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1345.5,1922.8 1168.3,1925.5 901.5,1923.9 648.8,1924.2 329.8,1916.5 338.2,1936.2 366.0,2007.0 358.6,2002.7 115.6,1958.6 67.7,1894.4 95.8,1820.1 86.9,1514.1 58.6,1475.0 54.8,954.2 90.9,688.7 94.9,76.8 194.1,28.6 440.2,17.9 684.6,45.5 766.4,25.8 815.9,51.6 1015.6,17.0 1291.1,72.2 1297.5,55.8 1336.2,217.7 1343.5,429.2 1335.1,429.2 1374.1,848.5 1375.8,848.6 1383.7,1215.3 1333.7,1215.5 1335.8,1574.0 1363.2,1575.5 1345.5,1922.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0097/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1174.0,1222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.29245324756562,39.91984040649195]}},{"type":"Feature","properties":{"resourceCoords":[1373.0,867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.29252642976597,39.92131644441532]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0098/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p98","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0098/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0098","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"70.3,370.8 92.8,86.6 222.1,69.0 289.4,19.4 1015.0,20.6 1246.7,88.8 1315.7,70.8 1335.8,156.8 1331.1,158.0 1322.1,399.9 1318.8,401.9 1285.5,648.6 1277.8,640.3 1256.6,1280.1 1273.8,1279.7 1262.9,1654.3 1248.3,1654.1 1248.8,1896.9 1248.4,1983.9 866.2,1936.0 866.2,1934.2 598.0,1955.6 256.8,1956.0 256.8,1970.9 110.0,1994.9 109.7,2007.0 82.6,2007.0 74.2,1653.7 121.4,1652.7 123.5,1652.7 109.3,1291.4 107.5,1291.3 61.8,878.8 70.0,878.7 59.1,670.4 18.1,511.5 70.3,370.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0098/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[256.0,1660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2910566,39.920482]}},{"type":"Feature","properties":{"resourceCoords":[1253.0,614.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2894723,39.9256625]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0099/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Delaware Co., Pennsylvania | 1919 | sanborn07616_001 p99","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.63"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T01:27:20Z","modified":"2026-10-18T01:27:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0099/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0099","type":"ImageService3","width":1393,"height":2008},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"151.8,122.0 134.8,51.9 258.2,18.6 1024.6,24.4 1171.2,31.2 1210.9,66.9 1337.5,84.8 1334.6,296.6 1332.1,293.0 1330.5,631.4 1372.0,631.9 1374.4,703.2 1351.0,721.5 1350.5,1384.2 1381.0,1402.0 1392.0,1608.1 1392.0,1675.0 1392.0,1676.6 1356.9,1857.5 1370.8,1857.2 1320.6,1928.7 1045.3,1911.7 1044.6,1888.4 797.7,1894.5 460.7,1903.5 84.3,1911.9 81.5,1664.7 96.3,1664.8 103.8,1283.2 86.3,1283.8 101.6,632.1 109.7,640.5 141.2,389.0 144.4,386.9 151.3,140.5 156.0,139.3 151.8,122.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824dm:g3824dm_g07616191901:07616_01_1919-0099/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[466.0,1673.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.2853709918662,39.92301800391311]}},{"type":"Feature","properties":{"resourceCoords":[803.0,1673.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.28399316046547,39.92362513197337]}}]}}]}