{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07841_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mount Joy, Pennsylvania | 1902 | 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":"11"},{"label":"placed","value":"8"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef-snap 5, georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 40.10960,-76.50499 +/-1653m); p2__2 (tier 1, 40.10816,-76.49910 +/-111m); p5__2 (tier 1, 40.16410,-76.15491 +/-134m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0001__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 | 1902 | sanborn07841_004 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.38"},{"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":"2928.0"},{"label":"split_canvas_h","value":"3244.8"}],"created":"2026-10-19T10:16:53Z","modified":"2026-10-19T10:16:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"23.1,80.5 35.1,773.4 650.1,795.7 656.0,351.9 720.5,354.8 708.1,78.1 215.4,73.3 215.5,69.9 1.0,65.8 1.0,84.4 23.1,80.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[208.0,325.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5074009,40.1092018]}},{"type":"Feature","properties":{"resourceCoords":[208.0,679.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.507588,40.108508]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0001__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 | 1902 | sanborn07841_004 p1 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.63"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3192.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4459.2"}],"created":"2026-10-19T10:16:53Z","modified":"2026-10-19T10:16:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"778.2,1810.9 777.5,1789.8 1018.5,1786.2 1018.5,1790.0 1542.7,1777.1 1543.5,1684.6 1581.7,1684.7 1584.6,1296.5 1551.7,1296.2 1545.4,1005.2 1443.8,1022.3 1439.0,938.2 1297.2,833.0 637.2,830.0 51.2,971.9 77.9,1818.4 531.0,1863.7 778.2,1810.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[529.0,1282.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.50808215272946,40.11078197645291]}},{"type":"Feature","properties":{"resourceCoords":[1059.0,1282.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.506876784955,40.11055865208812]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0002__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 | 1902 | sanborn07841_004 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"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":"2026-10-19T10:16:53Z","modified":"2026-10-19T10:16:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1573.9,1889.0 1516.0,1808.9 1532.5,1797.5 1517.3,1458.2 1497.0,1458.4 1487.2,1156.0 1490.9,1119.9 1527.1,1119.4 1566.7,787.3 1412.9,72.7 951.9,18.1 810.2,59.4 820.7,231.1 719.6,315.7 713.4,634.1 712.6,755.7 711.0,755.7 711.0,757.1 96.2,751.9 46.0,839.4 50.9,1124.0 83.1,1124.4 78.6,1504.0 41.3,1503.7 40.2,1594.2 66.1,1593.7 88.7,1895.6 426.7,1900.2 1086.4,1903.5 1384.4,1912.0 1414.8,1888.2 1573.9,1889.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1085.0,1140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.50336520875683,40.10985994947682]}},{"type":"Feature","properties":{"resourceCoords":[65.0,1881.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.50615045890747,40.10897244151102]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0003/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 | 1902 | sanborn07841_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T10:16:53Z","modified":"2026-10-19T10:16:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.1,1753.0 168.9,1864.9 437.6,1886.9 627.9,1842.9 734.1,1788.6 742.7,1697.5 971.5,1563.0 1238.8,1530.9 1341.3,1781.9 1508.4,1862.0 1612.0,1843.9 1612.0,1537.5 1579.8,1345.2 1515.5,1008.5 1444.7,608.0 1402.7,386.6 1340.8,30.1 1147.6,44.8 791.4,142.0 690.5,91.0 544.8,199.0 145.8,335.8 5.2,49.0 1.0,53.5 1.0,59.4 145.2,750.5 104.3,1076.3 68.7,1076.5 64.9,1111.9 72.7,1408.8 92.6,1408.8 105.4,1741.9 89.1,1753.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1459.0,687.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.498892335843,40.109847573079826]}},{"type":"Feature","properties":{"resourceCoords":[96.0,1080.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.50234618806543,40.10970610686713]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0004/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 | 1902 | sanborn07841_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T10:16:53Z","modified":"2026-10-19T10:16:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"632.8,70.5 1467.8,34.1 1574.8,173.6 1541.9,887.6 1503.6,887.6 1506.5,1348.6 1511.6,1348.7 1490.8,1651.5 1504.8,1651.6 1503.9,1912.0 1424.3,1912.0 1388.9,1862.2 145.6,1850.0 200.2,1549.9 203.7,1355.8 201.8,1014.4 205.4,609.2 204.6,384.8 208.8,24.4 632.8,70.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[492.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.49812230596818,40.111019788721286]}},{"type":"Feature","properties":{"resourceCoords":[851.0,1671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.49741737005142,40.10795843537304]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0005__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 | 1902 | sanborn07841_004 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"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":"3390.0"}],"created":"2026-10-19T10:16:53Z","modified":"2026-10-19T10:16:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.4,481.7 115.1,802.8 175.2,839.3 868.9,831.3 1039.0,658.1 1204.8,617.7 1294.5,625.1 1325.2,690.8 1469.3,693.1 1503.5,667.5 1559.2,509.4 1470.5,26.0 1556.2,32.0 1533.5,1.0 1378.0,1.0 1348.6,24.2 1062.3,16.6 425.5,17.1 31.2,13.9 41.7,481.7 51.4,481.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[800.0,428.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.50465887747414,40.10785782017836]}},{"type":"Feature","properties":{"resourceCoords":[66.0,21.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.50618728343133,40.10893926173385]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0005__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 | 1902 | sanborn07841_004 p5 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.48"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3390.0"},{"label":"split_canvas_w","value":"4276.0"},{"label":"split_canvas_h","value":"4262.0"}],"created":"2026-10-19T10:16:53Z","modified":"2026-10-19T10:16:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0005__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"128.5,847.5 92.1,847.5 94.9,1286.3 99.8,1286.4 80.1,1574.6 93.3,1574.7 92.6,1822.5 17.5,1823.5 63.6,1888.2 475.2,1877.0 521.0,1827.0 544.0,1494.3 544.0,1464.5 544.0,1464.2 546.1,1464.2 546.2,1462.1 1033.5,1454.4 1041.5,1323.7 969.9,1258.2 1011.3,1105.3 981.1,887.0 128.2,855.8 128.5,847.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0005__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[789.0,968.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4939614,40.1090727]}},{"type":"Feature","properties":{"resourceCoords":[92.0,968.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.4957515,40.1091328]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0005__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 | 1902 | sanborn07841_004 p5 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.84"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2176.0"},{"label":"split_canvas_y","value":"5858.0"},{"label":"split_canvas_w","value":"2100.0"},{"label":"split_canvas_h","value":"1794.0"}],"created":"2026-10-19T10:16:53Z","modified":"2026-10-19T10:16:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0005__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1061.3,1906.6 1024.3,1480.9 573.8,1497.6 557.5,1908.5 1061.3,1906.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g078411902:07841_1902-0005__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[544.0,1464.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5249473659593,40.11163046911217]}},{"type":"Feature","properties":{"resourceCoords":[1069.0,1464.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.52440982034545,40.112542734068015]}},{"type":"Feature","properties":{"resourceCoords":[1069.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.52339041263363,40.112190880082245]}},{"type":"Feature","properties":{"resourceCoords":[544.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.52392795824748,40.1112786151264]}},{"type":"Feature","properties":{"resourceCoords":[1005.0,1817.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5236739,40.1121549]}}]}}]}