{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07841_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mount Joy, Pennsylvania | 1886 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"8"},{"label":"placed","value":"6"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 3, georef-snap 2, georef-street 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 40.10951,-76.50340 +/-1764m); p1__2 (tier 1, 40.15634,-76.38346 +/-136m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Joy, Pennsylvania | 1886 | sanborn07841_001 p1 [3]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.79"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2636.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5016.0"}],"created":"2026-10-19T10:41:37Z","modified":"2026-10-19T10:41:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"582.6,1831.5 651.7,1907.3 1117.3,1866.3 1142.9,1777.7 1083.4,1750.9 1199.8,1563.6 1520.5,1550.4 1562.2,1497.6 1560.8,752.9 1507.7,704.0 601.8,690.0 585.1,686.5 583.9,1048.9 586.0,1387.0 627.7,1388.0 493.4,1693.2 583.4,1693.7 582.6,1831.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[586.0,1387.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4957799,40.1085079]}},{"type":"Feature","properties":{"resourceCoords":[1325.0,1051.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4939614,40.1090727]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Joy, Pennsylvania | 1886 | sanborn07841_001 p1 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4810.0"},{"label":"split_canvas_y","value":"6316.4"},{"label":"split_canvas_w","value":"1642.0"},{"label":"split_canvas_h","value":"1335.6"}],"created":"2026-10-19T10:41:37Z","modified":"2026-10-19T10:41:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1215.5,1906.7 1574.4,1911.5 1596.8,1591.7 1216.2,1644.4 1215.5,1906.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1202.5,1579.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.52444143475886,40.11177756229729]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1579.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.52402979999334,40.11247614482034]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5232880419806,40.112220123102794]}},{"type":"Feature","properties":{"resourceCoords":[1202.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.52369967674612,40.111521540579744]}},{"type":"Feature","properties":{"resourceCoords":[1516.1,1783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5236739,40.1121549]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Joy, Pennsylvania | 1886 | sanborn07841_001 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.23"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T10:41:37Z","modified":"2026-10-19T10:41:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.9,1434.2 35.2,1435.2 83.2,1856.8 1559.4,1864.2 1593.0,1321.0 1524.0,1239.1 1524.3,1101.2 1434.2,1101.1 1567.5,795.2 1525.8,794.4 1522.5,456.1 1522.4,93.5 1192.5,24.7 280.4,50.7 285.6,1.0 206.9,1.0 207.1,46.4 203.9,456.9 206.1,802.8 198.9,1143.1 197.8,1310.5 32.9,1434.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.4993779,40.1100999]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.495484,40.1099674]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.4956896,40.1064354]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.4995835,40.1065679]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Joy, Pennsylvania | 1886 | sanborn07841_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.49"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T10:41:37Z","modified":"2026-10-19T10:41:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1263.5,1790.2 1083.1,1797.4 929.6,1885.5 9.3,1863.1 37.6,1843.2 164.9,1742.6 153.3,1726.0 128.1,1406.7 145.4,1406.0 134.8,1115.5 138.2,1080.9 148.9,1080.7 140.3,760.9 151.7,761.0 160.7,61.8 209.9,115.0 175.0,181.8 644.8,46.2 816.1,92.2 1395.3,17.6 1503.0,71.6 1546.2,549.9 1471.2,564.5 1480.0,608.6 1553.3,999.9 1595.4,1208.7 1340.0,1675.1 1306.3,1694.1 1330.2,1820.3 1263.5,1790.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[73.0,1083.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.50256828055902,40.10974918557373]}},{"type":"Feature","properties":{"resourceCoords":[1557.0,1083.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.49897449505448,40.10908405898249]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Joy, Pennsylvania | 1886 | sanborn07841_001 p4 [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":"2026-10-19T10:41:37Z","modified":"2026-10-19T10:41:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1525.0,117.7 1380.8,122.6 1262.2,20.2 984.9,13.6 820.0,52.9 840.3,229.4 729.7,313.8 714.6,738.3 714.2,738.3 714.2,740.0 685.9,739.9 41.3,775.2 49.3,1875.0 88.1,1877.4 1111.6,1906.2 1111.3,1884.6 1395.5,1893.8 1522.8,1793.9 1511.3,1777.3 1487.3,1458.8 1504.6,1458.2 1495.2,1168.5 1498.7,1133.9 1509.3,1133.7 1502.0,814.8 1513.3,814.9 1525.0,117.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[431.0,1858.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.50542302807719,40.108850150304804]}},{"type":"Feature","properties":{"resourceCoords":[1103.0,1133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5033703400761,40.10990059814604]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Joy, Pennsylvania | 1886 | sanborn07841_001 p4 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.53"},{"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":"2974.0"},{"label":"split_canvas_h","value":"2960.0"}],"created":"2026-10-19T10:41:37Z","modified":"2026-10-19T10:41:37Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6.2,553.4 1.0,728.9 1.0,734.7 73.1,731.1 68.2,695.6 98.7,685.8 216.1,737.4 378.9,613.8 379.0,447.9 384.2,110.5 382.9,1.0 369.9,1.0 37.5,405.1 1.0,417.4 1.0,549.8 6.2,553.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411886:07841_1886-0004__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":[-76.49988883954006,40.108842459261474]}},{"type":"Feature","properties":{"resourceCoords":[743.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49807855701147,40.10877308111285]}},{"type":"Feature","properties":{"resourceCoords":[743.5,740.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.49816871856281,40.10739503021289]}},{"type":"Feature","properties":{"resourceCoords":[0.0,740.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.4999790010914,40.107464408361515]}},{"type":"Feature","properties":{"resourceCoords":[378.8,725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.499055,40.107457]}}]}}]}