{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07798_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Marietta, Pennsylvania | 1904 | 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":"9"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef-snap 6, georef 2, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 40.05851,-76.56552 +/-130m); p1__3 (tier 1, 40.05820,-76.56346 +/-144m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marietta, Pennsylvania | 1904 | sanborn07798_005 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:54:54Z","modified":"2026-10-19T19:54:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"107.0,1681.1 57.0,719.3 137.3,439.2 68.3,389.1 50.5,186.9 63.6,61.9 149.7,25.9 549.0,34.3 832.1,130.7 1477.7,126.3 1387.2,441.5 1520.3,532.7 1488.0,750.8 1564.0,856.0 1473.5,1224.2 1550.2,1617.5 1498.2,1640.5 1494.0,1813.6 1354.8,1902.5 1261.7,1883.4 1259.9,1912.0 1243.7,1912.0 1223.2,1912.0 1220.0,1777.0 872.2,1783.2 503.6,1784.7 184.0,1780.0 34.2,1769.7 107.0,1681.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1216.0,312.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5375843,40.0592565]}},{"type":"Feature","properties":{"resourceCoords":[184.0,1780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5416862,40.0603439]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marietta, Pennsylvania | 1904 | sanborn07798_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.57"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:54:54Z","modified":"2026-10-19T19:54:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1013.0,1873.5 1013.2,1880.3 666.6,1840.5 666.6,1855.4 666.5,1859.5 352.6,1784.0 282.7,1755.3 317.9,1639.5 246.8,1483.9 131.8,1449.0 62.4,996.2 68.1,685.4 192.4,373.3 139.8,327.6 195.7,143.6 145.7,113.5 223.5,21.3 368.8,33.5 679.1,42.2 1037.0,45.7 1374.8,44.2 1375.7,176.1 1411.2,176.6 1375.8,613.6 1393.5,1236.7 1523.2,1320.8 1555.0,1605.8 1497.2,1893.3 1382.7,1880.9 1367.7,1896.4 1013.0,1873.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5418722411811,40.061035491365956]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.54071237265521,40.05809134855749]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.54524242770336,40.057031056858236]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.54640229622925,40.0599751996667]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marietta, Pennsylvania | 1904 | sanborn07798_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:54:54Z","modified":"2026-10-19T19:54:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1396.9,1912.0 1395.7,1807.6 315.4,1811.1 34.3,1859.3 72.1,165.5 96.5,60.8 283.7,35.4 287.9,21.7 358.6,50.8 676.2,127.2 676.2,123.1 676.2,108.2 1026.8,149.0 1026.5,142.1 1385.3,165.8 1374.0,262.0 1394.9,1128.4 1522.9,1174.8 1554.3,1588.2 1465.2,1912.0 1396.9,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1374.0,634.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.54649076115689,40.05725182179854]}},{"type":"Feature","properties":{"resourceCoords":[1374.0,1491.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.54851039393458,40.05678208321952]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marietta, Pennsylvania | 1904 | sanborn07798_005 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:54:54Z","modified":"2026-10-19T19:54:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1527.5,464.3 1511.7,1798.2 1556.8,1820.3 1536.5,1912.0 1508.2,1912.0 1508.3,1826.7 1131.6,1804.0 1130.5,1851.8 1055.2,1778.6 983.4,1726.6 975.7,1770.9 626.8,1702.3 638.6,1633.8 269.0,1750.1 302.8,1558.2 316.2,1482.3 249.5,1421.2 108.0,1396.2 146.9,1286.3 46.8,1043.2 45.5,771.9 101.1,669.6 44.2,523.2 164.2,246.3 166.8,187.1 446.9,143.9 1519.9,159.3 1518.8,263.6 1586.7,264.9 1527.5,464.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.55002641683272,40.0594078107905]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.54879663330493,40.05649485913815]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.55327863024132,40.05537063838514]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.55450841376911,40.0582835900375]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marietta, Pennsylvania | 1904 | sanborn07798_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:54:54Z","modified":"2026-10-19T19:54:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1532.6,1627.0 1532.5,1712.0 1186.5,1708.9 1186.5,1712.9 488.8,1701.7 488.9,1713.4 142.9,1710.2 141.4,737.9 140.8,270.5 479.4,95.7 479.7,163.8 830.1,170.7 829.9,126.7 908.6,164.7 994.3,222.4 987.1,176.2 1356.6,134.2 1371.3,216.4 1398.6,211.7 1398.6,212.7 1371.5,217.4 1393.4,335.3 1390.3,408.0 1453.3,664.4 1533.6,696.8 1544.0,1627.1 1532.6,1627.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[831.0,707.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.55476808721006,40.05645975743011]}},{"type":"Feature","properties":{"resourceCoords":[148.0,707.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.55500714958517,40.05776285314108]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marietta, Pennsylvania | 1904 | sanborn07798_005 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:54:54Z","modified":"2026-10-19T19:54:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.3,168.6 141.6,175.1 149.1,1227.5 112.7,1618.8 54.8,1676.1 142.3,1723.4 134.0,1787.2 389.6,1870.7 1461.3,1880.2 1539.5,1832.7 1580.6,1571.6 1546.5,1.0 1534.8,1.0 1535.7,86.7 1182.7,87.2 1182.8,91.3 471.1,87.4 471.4,99.3 118.5,99.7 119.3,168.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[840.0,1840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.56153986323288,40.05572912023406]}},{"type":"Feature","properties":{"resourceCoords":[156.0,73.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.55743226329457,40.05743997090554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marietta, Pennsylvania | 1904 | sanborn07798_005 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:54:54Z","modified":"2026-10-19T19:54:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"83.5,1470.0 93.7,1127.7 90.4,908.0 51.1,909.1 69.8,71.9 1412.8,41.5 1543.3,130.2 1612.0,1068.7 1612.0,1079.5 1556.5,1871.9 112.8,1862.5 53.6,1778.9 30.9,1471.1 83.5,1470.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[755.0,429.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.56443778106264,40.05684982258356]}},{"type":"Feature","properties":{"resourceCoords":[97.0,429.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.56606876129527,40.05688475213996]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marietta, Pennsylvania | 1904 | sanborn07798_005 p9 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.46"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4748.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T19:54:54Z","modified":"2026-10-19T19:54:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1140.4,135.4 446.2,94.0 1.0,87.3 1.0,167.8 19.2,168.7 59.7,1811.3 463.7,1884.7 1142.3,1755.0 1130.5,243.3 1139.5,242.9 1140.4,135.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0009__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":[-76.5660125462879,40.05597656397717]}},{"type":"Feature","properties":{"resourceCoords":[1187.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.56601007917469,40.054867174718396]}},{"type":"Feature","properties":{"resourceCoords":[1187.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.56832957758562,40.05486410988087]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.56833204469882,40.05597349913963]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marietta, Pennsylvania | 1904 | sanborn07798_005 p9 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4748.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1704.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T19:54:54Z","modified":"2026-10-19T19:54:54Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1214.0,415.5 1276.6,952.9 1230.9,1591.0 1268.0,1791.7 1509.8,1865.2 1509.7,1796.0 1507.4,800.1 1505.9,126.0 1505.7,48.8 1430.0,1.0 1283.2,1.0 1214.0,415.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824mm:g3824mm_g077981904:07798_1904-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1187.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.55324799404441,40.058571927594365]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.55310311093893,40.05777839837036]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.55775905958555,40.057280451242136]}},{"type":"Feature","properties":{"resourceCoords":[1187.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.55790394269103,40.05807398046614]}},{"type":"Feature","properties":{"resourceCoords":[1510.0,1796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5575095,40.0575037]}}]}}]}