{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09010_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Danville, Virginia | 1915 | 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":"45"},{"label":"placed","value":"30"},{"label":"unplaced","value":"15"},{"label":"fit sources","value":"georef-snap 15, georef 13, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 19 panels"},{"label":"unplaced pages","value":"p11__2 (tier 2, 36.58193,-79.38456 +/-139m); p12__2 (tier 1, 36.57954,-79.38216 +/-108m); p18__1 (tier 1, 36.59043,-79.38540 +/-284m); p18__2 (tier 1, 36.59083,-79.38628 +/-301m); p18__3 (tier 2, 36.59128,-79.38759 +/-371m); p19__2 (tier 1, 36.59302,-79.40246 +/-344m); p27__1 (tier 2, 36.57714,-79.41048 +/-100m); p27__2 (tier 1, 36.57385,-79.40758 +/-159m); p28 (tier 1, 36.56751,-79.41538 +/-504m); p29 (tier 1, 36.56915,-79.40877 +/-509m); p2__2 (tier 1, 36.58931,-79.39364 +/-222m); p31__1 (tier 2, 36.57140,-79.39916 +/-100m); p31__2 (tier 1, 36.57085,-79.39628 +/-100m); p6__1 (tier 1, 36.58470,-79.38339 +/-255m); p6__2 (tier 1, 36.58385,-79.38556 +/-109m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p10","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"137.8,1722.0 160.2,1362.2 166.0,1210.0 150.5,1209.8 250.0,595.7 402.5,590.9 387.6,39.2 688.5,35.5 918.8,32.5 919.8,32.5 1349.1,37.0 1412.0,580.6 1368.6,580.7 1371.6,726.5 1370.1,1216.4 1371.3,1892.3 1074.0,1844.1 941.5,1812.2 900.8,1796.0 883.7,1751.3 136.8,1737.2 137.8,1722.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1116.0,34.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.385166,36.584045]}},{"type":"Feature","properties":{"resourceCoords":[166.0,1210.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.388583,36.583592]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p11 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"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":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1568.4,1841.9 1597.4,1524.7 1609.5,1514.3 1475.8,1303.8 1542.0,1306.0 1573.2,661.7 1536.4,661.0 1514.2,113.4 1455.1,40.0 1407.2,81.1 359.6,18.4 1.0,85.7 1.0,85.9 117.5,89.4 171.5,637.7 127.8,637.1 128.3,783.9 118.3,1277.0 109.3,1868.1 556.6,1893.0 556.3,1906.4 759.8,1841.2 759.8,1511.0 1112.7,1514.1 1400.0,1912.0 1444.1,1912.0 1568.4,1841.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[568.0,1288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.38577381593853,36.58155886840785]}},{"type":"Feature","properties":{"resourceCoords":[122.0,1288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.38654298854621,36.58209037886789]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p12 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.40"},{"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":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.0,375.7 97.9,449.6 120.6,1003.5 157.8,1003.9 126.5,1656.0 59.4,1654.3 194.9,1866.3 301.6,1773.7 811.6,1686.4 1186.6,1775.3 1207.0,1856.1 1289.8,1882.9 1547.7,1836.8 1588.8,1712.4 1563.6,1339.9 1433.6,1235.8 1435.7,1066.4 1313.8,994.6 908.2,961.9 854.5,900.0 896.9,261.9 822.0,129.7 575.2,28.2 334.4,59.6 194.2,161.4 95.2,138.8 68.9,348.9 38.0,375.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0012__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":[-79.38190481910364,36.58278933747562]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.37917540984346,36.58087540133808]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.38198229753719,36.578257626602074]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.38471170679738,36.58017156273961]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p13 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"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":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0013__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"297.3,511.8 1.0,492.6 1.0,495.6 210.2,1235.2 290.0,1502.7 1308.0,1769.2 1481.5,1770.7 1478.2,1575.9 1425.3,962.1 1374.9,477.9 1131.3,502.9 823.2,521.8 806.6,225.2 798.1,81.2 764.2,81.2 322.1,45.6 297.3,511.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[222.0,1246.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39838077174761,36.586575760092785]}},{"type":"Feature","properties":{"resourceCoords":[1479.0,1762.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39706083670336,36.584326827080034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p13 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.08"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3349.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3102.8"},{"label":"split_canvas_h","value":"1952.8"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1319.1,476.1 1359.2,474.4 1330.1,161.2 1331.9,94.5 1336.5,60.5 842.7,16.0 840.9,110.1 842.7,167.8 852.0,457.6 1319.1,476.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[837.3,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.3957007816204,36.588611253581476]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.39456132902104,36.58770314827217]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,488.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.39526756817243,36.587123723724844]}},{"type":"Feature","properties":{"resourceCoords":[837.3,488.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.39640702077179,36.58803182903415]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1307.4,1655.8 1178.4,1655.9 1051.5,1645.9 778.1,1633.0 562.7,1615.5 233.6,1585.0 230.3,1391.2 177.6,780.5 127.4,298.7 831.3,245.9 900.2,250.6 1213.4,277.0 1274.4,289.1 1353.7,288.8 1493.0,300.5 1502.6,888.6 1509.5,888.2 1485.3,1644.4 1307.4,1655.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[864.0,1620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39605883044784,36.58348195500858]}},{"type":"Feature","properties":{"resourceCoords":[864.0,292.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39400609023163,36.58528378165168]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1085.0,1729.5 1083.6,1709.2 825.1,1635.8 773.4,1646.5 568.4,1635.2 447.9,1642.9 167.0,1648.8 224.3,885.3 217.4,885.5 233.3,290.4 558.4,331.9 553.0,206.7 988.2,184.6 987.0,166.3 1435.7,130.9 1435.2,120.7 1482.3,108.7 1451.3,393.2 1463.4,600.1 1481.3,1179.8 1491.5,1302.0 1478.7,1428.4 1460.5,1496.8 1324.5,1842.3 1085.0,1729.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1017.0,1198.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3929174050585,36.582312783432855]}},{"type":"Feature","properties":{"resourceCoords":[591.0,1646.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39430745203964,36.58218652935901]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p16","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1461.1,1794.8 700.5,1795.5 701.2,1824.1 180.8,1831.5 185.2,1766.0 192.5,1671.2 264.2,917.8 180.8,902.6 328.8,164.6 393.5,182.7 782.8,287.9 820.1,200.9 1605.5,231.2 1555.2,363.3 1455.6,606.9 1371.8,594.2 1290.8,1513.8 1417.0,1722.2 1461.1,1794.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1660.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.382773,36.59573]}},{"type":"Feature","properties":{"resourceCoords":[682.0,984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.385562,36.594864]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p17","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.58"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1374.8,1799.8 1380.2,1867.8 1262.7,1888.2 128.0,1794.2 59.8,1592.6 138.1,1342.6 20.8,1286.2 72.0,976.0 139.0,510.0 204.9,52.6 720.5,84.4 722.0,56.2 1474.8,112.7 1498.6,159.7 1499.7,161.8 1244.5,1586.1 1348.0,1609.1 1398.0,1645.6 1342.3,1658.4 1419.2,1798.2 1374.8,1799.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[139.0,510.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.387757,36.593003]}},{"type":"Feature","properties":{"resourceCoords":[72.0,976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.388212,36.592226]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p19 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"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":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"420.1,1708.6 397.5,1686.7 650.3,1213.1 1540.7,412.1 1501.4,358.8 1515.3,255.8 1583.6,175.2 1583.7,156.6 923.0,141.2 888.1,110.1 729.0,4.9 702.0,51.3 281.0,121.0 146.1,359.6 60.6,672.3 96.7,702.3 255.1,833.8 232.2,890.0 214.7,974.9 209.5,1041.2 205.9,1087.0 203.7,1112.8 200.5,1219.9 199.4,1254.3 187.8,1470.0 166.5,1890.8 184.9,1852.1 420.1,1708.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[192.0,1090.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39864109308121,36.576188265201296]}},{"type":"Feature","properties":{"resourceCoords":[908.0,117.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39310558396377,36.5768011060524]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"235.1,1719.3 232.9,1725.2 37.6,1707.5 133.2,1570.9 53.8,1179.8 87.7,1069.7 55.1,682.6 87.2,275.9 180.3,247.7 274.2,149.2 280.6,84.0 720.7,97.1 883.6,54.2 1342.6,90.3 1424.7,153.4 1466.1,113.5 1558.8,372.1 1553.7,375.9 1582.7,406.1 1517.6,446.7 1460.7,474.8 1522.0,467.8 1534.9,467.4 1534.2,906.6 1534.8,949.3 1545.3,1106.5 1537.2,1106.3 1540.6,1339.3 1392.0,1339.8 1521.8,1702.5 1526.4,1714.8 1485.8,1712.0 1266.7,1792.4 1267.0,1787.3 896.5,1830.0 922.2,1869.5 235.1,1719.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1257.0,1788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39950109287241,36.5870907808803]}},{"type":"Feature","properties":{"resourceCoords":[1530.0,841.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3955124675372,36.5887633295068]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p21","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.15"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1461.5,1827.6 1344.7,1893.9 276.9,1863.4 163.8,1888.3 46.2,1787.9 19.8,1640.5 56.2,1031.3 14.9,590.0 107.9,95.8 266.7,83.6 337.6,26.7 525.5,19.9 528.1,15.2 763.0,10.2 764.9,2.8 1506.5,79.4 1467.5,262.4 1499.5,239.4 1529.3,614.0 1519.3,607.0 1541.8,1057.6 1536.9,1055.1 1581.7,1601.2 1532.1,1881.2 1461.5,1827.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1320.0,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.404071,36.586881]}},{"type":"Feature","properties":{"resourceCoords":[1402.0,795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.40343,36.586957]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.5,1869.1 620.8,1870.4 625.5,1873.2 1379.5,1894.4 1379.7,1906.7 1584.5,1908.3 1576.7,1748.4 1570.6,1505.6 1569.3,1402.4 1561.3,1253.4 1552.4,1164.4 1514.8,869.8 1491.1,666.3 1448.5,345.1 1428.8,166.4 1342.8,177.5 820.0,115.0 768.1,1.0 724.6,1.0 513.2,95.5 513.2,90.5 145.7,158.8 174.1,196.5 93.6,184.7 54.4,336.2 82.0,318.1 93.3,632.3 85.2,626.0 87.8,1003.4 83.8,1001.2 101.6,1459.2 50.1,1691.3 81.0,1717.0 64.2,1789.3 89.5,1869.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1511.0,856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39924781787018,36.582469914631936]}},{"type":"Feature","properties":{"resourceCoords":[-99.0,916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.40414154385732,36.58686047872461]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1408.3,1848.8 1406.2,1874.7 1285.9,1866.7 1159.3,1861.7 953.5,1849.8 77.1,1835.3 77.2,1832.0 77.6,1809.9 81.8,1651.8 93.8,1412.3 100.2,1310.7 103.4,1163.4 101.2,1075.1 86.1,782.2 77.8,580.2 59.8,260.9 53.7,83.4 217.7,88.5 324.9,90.5 460.8,88.5 524.0,89.5 587.9,85.5 812.4,57.1 870.8,47.2 971.4,42.1 996.0,34.3 1125.9,56.9 1127.6,66.7 1250.2,109.4 1261.3,69.4 1406.7,296.0 1384.5,381.8 1376.1,401.8 1548.4,511.1 1568.0,723.6 1565.0,728.9 1345.9,1119.6 1261.2,1433.5 1456.7,1594.7 1434.0,1651.2 1416.7,1736.3 1408.3,1848.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[580.0,1360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39961899662879,36.579624011039684]}},{"type":"Feature","properties":{"resourceCoords":[1648.0,581.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39361132174663,36.57878313851162]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"26.1,975.5 173.0,1202.5 150.9,1288.8 142.6,1308.8 316.0,1418.0 336.5,1631.2 333.5,1636.6 249.0,1788.5 672.4,1715.3 699.2,1668.5 860.1,1773.3 895.5,1804.3 1560.7,1815.2 1558.2,975.5 1590.4,905.0 1559.4,784.0 1558.6,378.1 1585.6,307.7 1558.2,114.3 1481.4,25.4 1515.2,1.9 1493.8,4.4 1490.8,1.0 1170.8,1.0 1077.3,41.2 1076.8,34.6 855.1,43.5 858.7,87.7 709.1,75.3 642.0,64.7 621.1,58.2 610.9,36.6 239.1,59.0 239.2,69.5 1.0,158.2 1.0,305.5 16.9,400.1 56.6,683.0 68.1,742.3 68.6,804.9 63.4,839.3 26.1,975.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[55.0,676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39206791883427,36.58181819677339]}},{"type":"Feature","properties":{"resourceCoords":[691.0,1665.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39332564848888,36.57759891476214]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p25","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.68"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"565.3,33.6 570.1,36.4 1325.6,52.5 1325.9,64.8 1531.0,65.0 1532.4,87.4 1533.0,97.1 1528.1,191.9 1520.1,238.9 1471.0,1077.9 1496.5,1093.9 1508.2,1137.7 1511.7,1139.7 1499.0,1281.9 1502.5,1283.4 1528.0,1579.9 1517.4,1575.5 1397.6,1804.0 1548.7,1868.5 1463.6,1869.5 1348.2,1818.0 1281.1,1829.9 1235.3,1792.5 1173.2,1827.5 1038.8,1822.6 1007.9,1854.6 661.3,1881.3 257.6,1861.2 111.2,1894.2 34.2,1859.8 53.9,1188.3 32.6,1132.7 64.4,819.6 37.4,654.3 79.2,177.5 33.1,36.0 565.3,33.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[965.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.404352,36.581404]}},{"type":"Feature","properties":{"resourceCoords":[1531.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.402722,36.579805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"986.0,1858.3 963.9,1878.0 925.7,1849.4 662.3,1867.1 595.5,1837.8 178.5,1829.2 31.0,1760.5 156.9,1538.0 167.3,1542.8 151.7,1248.4 148.2,1246.8 165.3,1106.5 162.0,1104.4 151.8,1060.6 127.1,1044.0 202.7,215.1 212.1,168.7 220.1,75.1 219.9,68.8 1100.4,39.6 1307.5,41.4 1434.8,40.1 1555.9,42.1 1559.2,184.7 1560.0,827.0 1221.5,1646.4 1253.0,1664.0 1025.7,1901.4 986.0,1858.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[225.0,43.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.40270334786342,36.57978914927175]}},{"type":"Feature","properties":{"resourceCoords":[1547.0,721.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.40105190232975,36.574475505045974]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p2 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.91"},{"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":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"541.2,1672.5 741.4,1258.6 914.8,882.4 1181.0,281.6 1172.0,224.2 1204.9,216.4 1000.2,2.2 977.5,51.4 84.7,64.9 38.6,104.8 193.4,623.2 182.9,630.2 236.7,692.7 104.4,765.7 1.0,813.7 1.0,814.1 110.8,807.7 136.1,808.2 87.9,1672.3 528.0,1724.0 541.2,1672.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1100.0,467.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.392094,36.58893]}},{"type":"Feature","properties":{"resourceCoords":[528.0,1724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.395055,36.587955]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"554.2,1618.5 82.0,1374.0 377.3,795.0 371.4,737.8 404.4,731.9 213.8,509.3 340.6,269.3 1003.1,198.8 1242.2,81.8 1270.2,16.9 1409.8,916.3 1396.3,989.3 1228.0,1388.7 1191.0,1472.0 1065.2,1773.3 1047.9,1885.2 554.2,1618.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1191.0,1472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.391227,36.587118]}},{"type":"Feature","properties":{"resourceCoords":[82.0,1374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.393066,36.588603]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.30"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"380.6,150.8 383.1,114.2 1330.5,68.5 1575.4,210.7 1542.7,326.2 1592.8,683.6 1586.1,1611.0 1550.6,1859.2 1059.3,1893.4 81.0,1878.1 18.4,1729.3 34.7,1302.0 92.1,1017.5 27.8,833.5 17.4,541.4 32.7,117.7 62.2,44.8 380.6,150.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.40703023037715,36.57315303756898]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.4000530990338,36.57475353695401]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.39770616784652,36.568060961760786]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-79.40468329918987,36.56646046237575]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p32","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1499.2,1872.8 822.2,1812.2 453.9,1822.2 361.0,1727.7 79.6,1680.8 31.1,1403.5 111.1,482.5 647.3,284.2 641.5,273.2 842.9,197.4 830.0,265.2 992.5,207.6 1007.6,204.7 1026.8,204.4 1090.8,215.4 1332.9,264.6 1491.9,298.1 1442.5,665.8 1484.1,670.6 1472.8,1043.5 1472.2,1090.4 1471.5,1352.2 1471.0,1586.0 1467.4,1742.1 1529.0,1761.7 1507.9,1890.0 1499.2,1872.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1132.0,632.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.387769,36.595927]}},{"type":"Feature","properties":{"resourceCoords":[1471.0,1586.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.388212,36.592226]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p33","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"423.9,1895.7 457.6,1886.9 774.0,1896.5 1163.0,1856.5 1524.2,1878.6 1579.2,1834.8 1602.7,1594.6 1547.0,1281.6 1590.0,727.8 1525.0,79.8 1490.7,48.8 1485.6,76.9 1358.2,81.9 927.8,19.3 720.1,23.6 710.2,10.8 670.4,1.0 649.2,1.0 623.4,113.8 569.0,316.0 330.5,254.4 246.6,234.4 215.0,375.4 183.7,500.6 142.2,500.3 167.2,952.3 243.1,1044.6 286.1,1096.9 286.9,1097.8 316.9,1812.2 369.2,1812.1 397.3,1824.3 371.8,1836.5 423.9,1895.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[569.0,316.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.381669,36.594881]}},{"type":"Feature","properties":{"resourceCoords":[1420.0,827.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.379425,36.591691]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p34","metadata":[{"label":"streets","value":"20"},{"label":"intersections","value":"42"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,738.2 1612.0,767.6 1425.2,811.0 1415.8,833.7 1470.2,848.9 1365.4,1340.8 1400.1,1361.0 1449.9,1390.5 1470.7,1402.7 1266.8,1771.4 1225.2,1749.0 1173.5,1721.3 1143.5,1704.5 1006.4,1899.2 990.2,1893.8 975.0,1891.4 801.7,1891.8 836.5,1832.0 620.3,1836.5 622.1,1848.9 47.6,1858.0 60.1,1830.5 25.7,1707.8 63.8,1381.2 28.8,917.2 60.1,747.2 35.5,311.9 73.9,63.2 223.0,33.5 333.2,59.7 540.4,16.9 1097.2,21.0 1308.7,59.4 1358.7,39.5 1414.5,78.5 1571.3,88.9 1583.3,284.4 1612.0,283.9 1612.0,359.3 1502.8,713.4 1612.0,738.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[254.0,496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.390163,36.60289]}},{"type":"Feature","properties":{"resourceCoords":[613.0,1319.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.388907,36.599768]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p35","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"22"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0035","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1513.3,1599.2 1543.2,1482.8 1558.2,1487.0 1602.3,1499.0 1581.4,1470.5 1558.2,1025.2 1582.5,839.0 1560.2,611.7 1579.0,214.1 1523.9,41.6 1194.6,113.8 1192.0,120.1 1148.5,97.8 1098.9,82.7 1064.1,77.7 1023.4,82.3 895.5,131.5 887.3,110.9 612.6,135.6 617.0,145.9 275.1,40.6 270.3,25.9 196.7,65.2 8.3,83.2 1.0,72.0 1.0,130.8 34.0,488.0 69.5,482.0 142.8,469.6 154.7,495.8 1.0,605.3 1.0,630.2 55.2,623.7 144.6,1111.1 183.8,1116.6 263.8,1128.0 216.6,1540.5 112.8,1529.8 79.0,1525.8 27.3,1754.8 29.5,1754.6 93.4,1762.1 335.4,1798.0 526.8,1827.9 721.5,1856.7 734.7,1812.3 1117.1,1782.1 1135.3,1709.5 1218.3,1731.6 1454.0,1799.0 1513.3,1599.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[378.0,1561.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.385536,36.597538]}},{"type":"Feature","properties":{"resourceCoords":[1454.0,1799.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.381669,36.594881]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p36","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.49"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0036","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1469.1 1.0,1485.7 295.8,1696.5 294.9,1685.2 567.8,1749.7 569.1,1772.2 708.2,1765.8 749.0,1774.5 780.9,1790.5 823.9,1821.0 858.7,1856.5 863.2,1851.3 1204.0,1887.5 1204.5,1846.0 1357.0,1816.4 1567.5,1840.6 1569.2,1255.1 1538.3,1117.8 1569.5,793.5 1533.0,424.6 1554.9,244.5 1503.9,76.8 1128.8,76.8 1092.4,83.0 1068.9,143.3 937.6,165.6 893.6,105.6 590.7,44.5 171.9,74.4 114.8,91.7 30.9,458.6 55.6,1111.0 25.7,1464.9 1.0,1469.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[555.0,715.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.379577,36.605121]}},{"type":"Feature","properties":{"resourceCoords":[555.0,1306.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.380027,36.602996]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1087.2,1842.7 1546.9,1838.5 1518.4,1261.6 1494.0,659.1 1514.4,659.2 1442.4,1.0 1431.6,1.0 1365.2,106.2 1028.8,150.9 775.5,135.0 642.6,46.0 407.3,62.8 184.1,184.5 160.9,238.6 305.6,1156.8 292.0,1231.4 121.0,1639.8 83.4,1724.9 196.9,1789.6 276.5,1813.3 423.6,1836.7 844.5,1844.8 1087.2,1842.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1501.0,1245.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.38803385845542,36.58610606308993]}},{"type":"Feature","properties":{"resourceCoords":[632.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.38868856329715,36.58796242882462]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.6,423.1 251.7,197.3 392.8,332.8 767.1,320.8 1069.7,424.9 1334.3,438.8 1450.5,341.9 1434.8,233.1 1500.2,187.9 1566.7,526.3 1520.7,921.0 1603.7,1695.6 1612.0,1696.2 1612.0,1711.5 1385.8,1706.9 1090.3,1700.9 585.1,1686.6 173.5,1677.7 153.9,1085.1 174.0,1085.3 106.6,423.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1086.0,1700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.38642641430395,36.58493556626574]}},{"type":"Feature","properties":{"resourceCoords":[150.0,1106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.38721634031077,36.58691266047316]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"442.6,1802.4 136.0,1814.0 126.3,1518.9 111.1,1091.6 122.0,1001.3 137.3,949.8 354.9,539.2 544.2,165.7 1031.0,407.0 1540.2,670.6 1520.8,945.7 1498.0,1336.1 1480.2,1464.2 1458.0,1753.3 1389.3,1746.9 685.1,1783.2 442.6,1802.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[136.0,1814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.396256,36.586811]}},{"type":"Feature","properties":{"resourceCoords":[1031.0,407.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.392589,36.587679]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1482.9,1645.0 1054.0,1674.5 1061.6,1798.0 601.4,1747.6 522.2,1745.9 461.7,1732.3 149.8,1698.2 172.4,1409.4 190.4,1281.4 213.8,891.2 233.6,616.4 249.4,501.9 372.9,192.2 487.3,255.3 567.1,277.9 714.6,299.3 1135.5,301.6 1378.2,296.2 1377.1,396.6 1425.4,956.8 1443.2,1186.6 1482.9,1645.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[207.0,1731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39383123190092,36.58518024274379]}},{"type":"Feature","properties":{"resourceCoords":[206.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.39138313290502,36.587442359070884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danville, Virginia | 1915 | sanborn09010_007 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T03:53:14Z","modified":"2026-10-19T03:53:14Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1276.0,1711.2 743.0,1853.2 743.7,1863.2 307.6,1903.2 272.3,1468.8 255.9,1242.1 211.1,689.2 212.8,590.3 666.0,582.4 633.1,13.7 1046.0,16.0 1552.8,22.4 1558.3,565.9 1408.1,568.1 1299.8,1171.2 1315.1,1171.6 1306.8,1321.5 1278.8,1675.4 1276.0,1711.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884dm:g3884dm_g090101915:09010_1915-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1308.0,1177.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.3886036648409,36.58359306490548]}},{"type":"Feature","properties":{"resourceCoords":[1542.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.38645370691162,36.58492857375452]}}]}}]}