{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07818_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mifflinburg, Pennsylvania | 1913 | 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":"14"},{"label":"placed","value":"11"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 5, georef-snap 5, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p2__1 (tier 1, 40.91582,-77.05352 +/-100m); p6__2 (tier 1, 40.91761,-77.04399 +/-101m); p7__3 (tier 1, 40.91520,-77.04513 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflinburg, Pennsylvania | 1913 | sanborn07818_005 p1 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.84"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2796.0"},{"label":"split_canvas_y","value":"1540.0"},{"label":"split_canvas_w","value":"3656.0"},{"label":"split_canvas_h","value":"6112.0"}],"created":"2026-10-18T18:55:14Z","modified":"2026-10-18T18:55:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1333.8,1825.0 1409.2,1791.0 1411.6,1736.7 1417.9,1493.2 1417.8,1243.2 1412.5,1032.6 1448.8,968.3 1436.3,972.3 1442.4,765.0 1569.9,672.9 1535.0,434.3 1106.7,421.2 771.5,629.0 730.3,639.2 730.2,639.3 722.0,677.0 878.6,952.3 877.4,991.5 819.1,1024.0 910.6,1258.8 915.1,1256.3 1105.2,1419.2 1054.9,1447.5 1148.4,1645.2 1285.8,1847.8 1333.8,1825.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1409.2,1791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.0458703,40.9184921]}},{"type":"Feature","properties":{"resourceCoords":[1409.2,217.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.046121,40.921457]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflinburg, Pennsylvania | 1913 | sanborn07818_005 p1 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.56"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4936.0"},{"label":"split_canvas_w","value":"4817.6"},{"label":"split_canvas_h","value":"2716.0"}],"created":"2026-10-18T18:55:14Z","modified":"2026-10-18T18:55:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"739.3,1912.0 792.5,1912.0 845.2,1730.0 826.0,1729.8 821.1,1321.2 231.1,1325.3 186.1,1323.4 183.1,1530.0 67.9,1529.9 44.3,1578.0 116.0,1909.5 728.0,1907.5 739.3,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[183.1,1530.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.049332,40.914754]}},{"type":"Feature","properties":{"resourceCoords":[823.3,1530.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.047891,40.915456]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflinburg, Pennsylvania | 1913 | sanborn07818_005 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T18:55:14Z","modified":"2026-10-18T18:55:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"731.0,1500.6 731.0,1673.6 793.6,1711.3 830.6,1860.2 1485.3,1849.4 1485.1,1831.4 1475.0,1344.5 1462.1,870.4 1487.8,869.9 1441.5,644.5 1300.1,647.6 1415.8,431.2 1454.8,430.2 1612.0,363.1 1612.0,193.3 1540.8,195.1 1546.3,184.7 1445.7,109.8 1426.5,141.6 1240.3,156.2 1137.2,229.2 794.9,208.8 752.5,554.5 752.5,578.0 749.6,578.0 749.6,578.5 116.7,619.6 63.1,764.6 53.6,1257.2 1.0,1279.5 1.0,1280.4 156.2,1351.8 163.8,1325.7 389.5,1421.3 731.0,1500.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1282.0,661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.05293218343736,40.91610116840231]}},{"type":"Feature","properties":{"resourceCoords":[211.0,1128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.05460154065446,40.91432493613134]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflinburg, Pennsylvania | 1913 | sanborn07818_005 p2 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.18"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5323.2"},{"label":"split_canvas_w","value":"2924.0"},{"label":"split_canvas_h","value":"2328.8"}],"created":"2026-10-18T18:55:14Z","modified":"2026-10-18T18:55:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"268.3,1413.5 92.2,1357.3 12.8,1384.4 11.9,1903.1 716.2,1911.7 730.0,1654.8 730.0,1500.4 548.9,1458.3 501.5,1453.2 391.8,1421.8 271.6,1393.9 268.3,1413.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1330.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.055140496905,40.913849563424904]}},{"type":"Feature","properties":{"resourceCoords":[731.0,1330.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05344515973597,40.914425335761685]}},{"type":"Feature","properties":{"resourceCoords":[731.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0528417772188,40.91339633306708]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05453711438783,40.912820560730296]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflinburg, Pennsylvania | 1913 | sanborn07818_005 p3 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T18:55:14Z","modified":"2026-10-18T18:55:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.7,464.5 1.0,672.4 1.0,673.6 139.1,674.3 178.3,896.7 153.2,896.4 153.0,1361.8 149.6,1839.6 212.6,1843.7 807.9,1835.1 855.8,1837.0 1484.0,1830.8 1480.1,1600.2 1485.3,1556.0 1487.0,1131.0 1479.8,677.8 1484.8,269.8 1497.0,219.9 1425.7,84.3 1372.7,187.7 933.9,201.7 891.7,174.6 741.5,234.0 741.5,363.6 741.5,400.7 741.5,400.7 522.6,399.5 325.3,398.4 158.0,464.6 119.7,464.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[150.0,1598.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.05134,40.914814]}},{"type":"Feature","properties":{"resourceCoords":[1487.0,1131.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.049142,40.916932]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflinburg, Pennsylvania | 1913 | sanborn07818_005 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.11"},{"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":"2966.0"},{"label":"split_canvas_h","value":"1602.8"}],"created":"2026-10-18T18:55:14Z","modified":"2026-10-18T18:55:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"740.5,337.1 687.9,303.0 716.8,205.3 655.8,182.9 640.0,89.8 479.4,145.1 324.3,21.2 236.5,106.4 33.7,109.8 50.7,253.5 13.6,311.6 109.8,387.1 104.2,396.9 581.8,399.5 740.5,337.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0003__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":[-77.05374162277205,40.91763151103328]}},{"type":"Feature","properties":{"resourceCoords":[741.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0521582062572,40.91840028354845]}},{"type":"Feature","properties":{"resourceCoords":[741.5,400.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05161225278108,40.91774907766194]}},{"type":"Feature","properties":{"resourceCoords":[0.0,400.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05319566929593,40.916980305146765]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflinburg, Pennsylvania | 1913 | sanborn07818_005 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T18:55:14Z","modified":"2026-10-18T18:55:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.9,530.0 417.2,262.0 1013.6,231.2 1164.6,151.6 1513.7,181.1 1578.1,263.9 1574.5,453.9 1601.8,471.2 1568.2,509.7 1573.2,822.5 1553.4,855.8 1487.5,856.2 1455.1,1103.0 1460.3,1102.9 1547.5,1334.3 1490.5,1334.9 1477.5,1550.5 1500.2,1791.1 1426.5,1786.6 1268.5,1786.0 1031.0,1791.3 592.0,1789.4 303.1,1796.0 105.0,1796.0 96.2,1345.5 99.7,939.8 111.7,890.2 40.2,755.6 154.9,530.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[937.0,466.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.04917,40.919931]}},{"type":"Feature","properties":{"resourceCoords":[105.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.049142,40.916932]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflinburg, Pennsylvania | 1913 | sanborn07818_005 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T18:55:14Z","modified":"2026-10-18T18:55:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1264.1,1745.8 1454.3,1800.2 1455.5,1853.1 1540.2,1636.2 1489.6,1198.7 1567.5,1025.4 1575.0,807.1 1554.1,620.1 1497.2,567.1 1561.4,492.6 1530.7,191.9 1449.8,98.8 1498.6,22.6 1469.4,1.0 270.0,1.0 188.6,79.3 173.5,176.6 160.4,261.0 153.8,341.4 145.8,465.9 144.7,621.7 149.1,856.0 145.8,1289.1 151.4,1574.2 150.7,1769.6 567.5,1771.1 610.9,1776.2 837.0,1772.3 1263.8,1765.9 1264.1,1745.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1052.0,1119.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.04649074913362,40.916140622254]}},{"type":"Feature","properties":{"resourceCoords":[148.0,1764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.04913365896077,40.91694218799538]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflinburg, Pennsylvania | 1913 | sanborn07818_005 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T18:55:14Z","modified":"2026-10-18T18:55:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"202.0,1870.2 891.5,1862.1 1094.5,1241.8 1095.9,1235.5 1096.5,1235.5 1137.3,1110.7 1591.7,881.3 1598.5,682.2 1395.0,549.4 1471.0,420.8 1337.5,265.9 1398.0,92.0 1394.9,1.0 1.0,1.0 1.0,1710.3 202.0,1870.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04415897216597,40.918245324513485]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0423140550691,40.91873368500368]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04155294792224,40.9170686139085]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04339786501912,40.9165802534183]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflinburg, Pennsylvania | 1913 | sanborn07818_005 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.03"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3732.0"}],"created":"2026-10-18T18:55:14Z","modified":"2026-10-18T18:55:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"256.1,932.0 1446.2,932.0 1537.3,859.2 1595.1,857.8 1612.0,807.9 1612.0,520.7 1612.0,383.1 1575.7,368.3 1558.9,149.9 1411.2,36.8 322.8,19.0 260.0,75.5 189.4,305.4 98.7,576.2 3.5,837.6 1.0,878.4 1.0,895.0 81.3,892.6 196.7,889.4 256.1,932.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1507.0,868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.04280309898186,40.9194864411669]}},{"type":"Feature","properties":{"resourceCoords":[110.0,300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.04610122621109,40.91948380896728]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mifflinburg, Pennsylvania | 1913 | sanborn07818_005 p7 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.31"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3732.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3920.0"}],"created":"2026-10-18T18:55:14Z","modified":"2026-10-18T18:55:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"583.4,1912.0 822.3,1910.5 855.2,1847.8 1021.4,1844.2 1079.0,1516.3 1104.0,1503.6 1139.6,1503.2 1429.0,1500.5 1482.8,1500.2 1556.2,1497.2 1581.5,1001.3 1296.7,946.5 185.3,960.0 125.0,999.3 125.1,1107.5 1.0,1099.3 1.0,1139.4 105.7,1453.6 105.5,1500.1 57.5,1517.4 1.0,1604.5 1.0,1912.0 583.4,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078181913:07818_1913-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[834.0,1760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.0407872,40.9191604]}},{"type":"Feature","properties":{"resourceCoords":[834.0,1239.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.040872,40.920135]}}]}}]}