{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08993_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Burkeville, Virginia | 1921 | 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":"13"},{"label":"placed","value":"6"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 6"},{"label":"key map","value":"none"},{"label":"split sheets","value":"5 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 37.18610,-78.19963 +/-382m); p1__4 (tier 4, 37.18610,-78.19963 +/-382m); p1__5 (tier 4, 37.18610,-78.19963 +/-382m); p2__2 (tier 2, 37.18724,-78.20206 +/-100m); p3__2 (tier 2, 37.18734,-78.20041 +/-106m); p4__1 (tier 2, 37.18542,-78.20175 +/-185m); p5__2 (tier 2, 37.18656,-78.19978 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burkeville, Virginia | 1921 | sanborn08993_002 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.58"},{"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":"3337.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T06:04:01Z","modified":"2026-10-19T06:04:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"342.9,1847.4 439.0,1766.5 411.0,1029.1 456.0,883.2 456.0,882.5 456.2,882.5 456.2,882.5 570.7,882.5 618.3,882.5 802.3,875.0 818.1,336.8 707.9,115.3 316.9,99.8 139.8,151.1 64.0,1146.3 114.3,1810.0 342.9,1847.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[175.1,1085.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.196558,37.18659]}},{"type":"Feature","properties":{"resourceCoords":[175.1,1756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.1965549,37.1853624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burkeville, Virginia | 1921 | sanborn08993_002 p1 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.53"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1824.0"},{"label":"split_canvas_y","value":"3530.0"},{"label":"split_canvas_w","value":"1892.8"},{"label":"split_canvas_h","value":"4122.0"}],"created":"2026-10-19T06:04:01Z","modified":"2026-10-19T06:04:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"557.1,1562.8 489.2,1810.9 687.0,1812.4 735.0,1715.0 735.2,1714.4 833.1,1554.4 842.7,1538.8 902.4,1433.9 840.7,899.6 606.2,905.1 510.4,984.8 471.3,1298.9 557.1,1562.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[456.0,882.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.197194255888,37.184574274217695]}},{"type":"Feature","properties":{"resourceCoords":[929.2,882.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.1961002569274,37.18458117102708]}},{"type":"Feature","properties":{"resourceCoords":[929.2,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.19608140054773,37.18268008457308]}},{"type":"Feature","properties":{"resourceCoords":[456.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.19717539950832,37.1826731877637]}},{"type":"Feature","properties":{"resourceCoords":[736.1,1136.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.196542,37.18411]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burkeville, Virginia | 1921 | sanborn08993_002 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.75"},{"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":"2026-10-19T06:04:01Z","modified":"2026-10-19T06:04:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.7,1860.9 474.4,1876.0 465.1,1831.8 1519.1,1848.0 1532.5,1104.5 1526.5,695.9 1532.8,151.2 1552.1,150.9 1553.3,103.0 1508.8,152.4 1481.3,101.3 1359.7,484.6 1359.6,490.5 1357.8,490.5 1356.5,494.4 1168.2,540.3 942.6,490.5 905.4,490.5 864.5,490.5 838.6,467.5 796.2,135.2 395.6,24.6 127.1,104.6 22.2,570.2 75.2,1659.1 124.0,1725.1 120.7,1860.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[870.0,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.2027737,37.1865425]}},{"type":"Feature","properties":{"resourceCoords":[870.0,1181.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.202811,37.187773]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burkeville, Virginia | 1921 | sanborn08993_002 p3 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.21"},{"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":"2026-10-19T06:04:01Z","modified":"2026-10-19T06:04:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"782.0,1838.5 781.8,1846.3 1588.1,1842.4 1581.7,1829.0 1611.8,572.9 1535.8,115.1 1412.9,103.0 1389.2,117.5 1326.0,330.2 1326.0,351.5 1319.7,351.5 1318.9,354.1 684.0,423.6 586.9,335.2 551.3,40.9 135.4,25.8 136.3,1.0 115.7,1.0 101.8,583.0 103.0,1020.4 79.0,1816.0 782.0,1838.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[79.0,1816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.2012472,37.1865531]}},{"type":"Feature","properties":{"resourceCoords":[1405.0,1160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.1983882,37.1877846]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burkeville, Virginia | 1921 | sanborn08993_002 p4 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.81"},{"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":"2026-10-19T06:04:01Z","modified":"2026-10-19T06:04:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1531.5,1893.1 1525.0,1577.8 1531.0,1420.9 1612.0,1421.9 1612.0,741.3 1531.2,740.6 1528.4,301.5 1529.0,73.0 457.3,73.0 467.4,117.9 107.7,108.0 107.1,174.9 32.6,313.4 42.2,899.1 78.2,965.4 590.6,969.8 590.9,972.5 595.0,972.5 595.0,1018.7 617.3,1270.2 606.8,1643.5 595.0,1655.2 593.8,1655.7 298.0,1787.2 290.2,1845.7 604.6,1892.4 1278.8,1810.4 1531.5,1893.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[869.0,73.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.2027737,37.1865425]}},{"type":"Feature","properties":{"resourceCoords":[1529.0,73.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.2012472,37.1865531]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burkeville, Virginia | 1921 | sanborn08993_002 p5 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.81"},{"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":"2026-10-19T06:04:01Z","modified":"2026-10-19T06:04:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"173.6,1406.0 92.0,1405.0 85.9,1561.0 92.2,1874.7 1559.0,1866.8 1582.3,177.2 1517.2,50.8 755.6,74.8 755.6,67.5 91.0,64.0 90.2,291.4 92.7,728.1 174.1,729.0 174.0,857.0 595.3,857.0 599.4,1311.5 173.7,1311.5 173.6,1406.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089931921:08993_1921-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[91.0,64.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.2012472,37.1865531]}},{"type":"Feature","properties":{"resourceCoords":[92.0,1405.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.2012154,37.1840694]}}]}}]}