{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08122_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Blackville, South-Carolina | 1933 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"7"},{"label":"placed","value":"5"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 4, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 33.35540,-81.27071 +/-509m); p3__2 (tier 1, 33.36122,-81.27049 +/-152m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackville, South-Carolina | 1933 | sanborn08122_007 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"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":"3392.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4260.0"}],"created":"2026-10-18T21:03:22Z","modified":"2026-10-18T21:03:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1242.0,954.7 1195.2,955.7 851.0,957.0 210.4,954.8 207.7,1342.0 176.2,1395.5 55.9,1873.0 206.5,1904.8 319.1,1845.9 595.4,1826.2 649.2,1776.5 804.1,1771.6 867.9,1802.8 1037.6,1797.5 1098.2,1847.3 1127.7,1846.4 1144.8,1801.5 1281.3,1797.3 1346.0,1858.0 1538.3,1870.4 1524.7,1553.3 1587.0,1185.8 1553.0,1010.1 1242.0,954.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[851.0,957.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2695355,33.3534811]}},{"type":"Feature","properties":{"resourceCoords":[851.0,1341.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2695882,33.3520781]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackville, South-Carolina | 1933 | sanborn08122_007 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:03:22Z","modified":"2026-10-18T21:03:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"219.4,1032.2 215.3,896.5 189.7,897.1 152.3,132.3 456.9,128.3 904.1,125.2 1499.0,127.0 1496.0,824.4 1496.0,1807.0 224.0,1808.2 219.4,1032.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1496.0,1807.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2695355,33.3534811]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2693968,33.3565718]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackville, South-Carolina | 1933 | sanborn08122_007 p3 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.97"},{"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":"2026-10-18T21:03:22Z","modified":"2026-10-18T21:03:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"470.1,1816.8 780.6,1870.6 774.7,1841.0 1247.7,1779.7 1380.8,1793.3 1519.2,1850.9 1566.4,1830.8 1533.5,1533.6 1528.1,771.2 1401.1,724.2 1396.2,588.1 1424.5,553.9 1144.5,553.0 1139.8,527.4 1043.7,516.1 1020.3,74.9 701.7,23.8 426.4,52.1 425.3,38.9 413.6,39.0 421.0,286.2 358.9,286.1 386.6,633.2 390.8,633.2 131.2,977.0 81.1,976.9 79.8,1327.3 80.0,1821.0 423.4,1818.1 470.1,1816.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[768.0,633.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.266331,33.3577403]}},{"type":"Feature","properties":{"resourceCoords":[80.0,1821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2695355,33.3534811]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackville, South-Carolina | 1933 | sanborn08122_007 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:03:22Z","modified":"2026-10-18T21:03:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"275.9,1883.0 153.8,1878.1 58.5,1853.0 23.4,1562.2 45.1,845.2 82.1,601.5 51.6,348.8 89.7,258.0 94.8,67.6 316.5,116.5 454.4,112.0 739.2,35.7 1026.0,22.8 1221.8,76.2 1572.7,83.6 1574.0,471.6 1485.5,504.3 1501.9,667.9 1573.3,684.3 1591.8,931.4 1580.0,931.4 1586.4,1181.9 1523.5,1181.5 1550.2,1533.2 1554.4,1533.2 1290.0,1880.4 1239.3,1880.1 936.6,1878.1 709.0,1878.8 275.9,1883.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[455.0,1173.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2726938319485,33.35921937327252]}},{"type":"Feature","properties":{"resourceCoords":[1581.0,1521.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.26786777819505,33.35783054909529]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackville, South-Carolina | 1933 | sanborn08122_007 p5","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:03:22Z","modified":"2026-10-18T21:03:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1078.9,66.0 1199.3,70.0 1473.7,65.7 1493.5,449.6 1506.4,449.2 1508.6,517.4 1512.0,907.0 1512.0,1293.0 1481.0,1346.6 1364.3,1823.5 1347.8,1820.1 1090.8,1841.0 875.5,1794.0 813.7,1719.1 666.6,1724.7 658.1,1791.3 622.3,1818.5 269.5,1835.7 262.0,1736.6 71.7,1766.0 60.7,1670.7 127.3,1583.4 111.5,1171.7 63.7,982.0 93.5,896.2 88.5,763.8 37.3,581.7 72.0,528.8 49.7,330.9 88.9,296.2 290.3,266.4 532.1,139.3 716.5,146.9 795.0,81.3 985.0,44.5 984.6,41.7 1078.9,66.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221933:08122_1933-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1512.0,907.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2723373,33.3535625]}},{"type":"Feature","properties":{"resourceCoords":[1512.0,1293.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2724023,33.3521483]}}]}}]}