{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08122_008.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Blackville, South-Carolina | 1943 | 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 3, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 33.35539,-81.27078 +/-506m); p3__2 (tier 1, 33.36210,-81.27051 +/-148m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0001__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 | 1943 | sanborn08122_008 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":"3358.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4294.0"}],"created":"2026-10-18T21:37:51Z","modified":"2026-10-18T21:37:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"233.7,945.3 231.0,1330.2 212.7,1366.7 162.9,1430.8 85.1,1528.3 57.3,1563.1 49.4,1912.0 300.0,1912.0 1547.7,1891.4 1547.6,1539.0 1596.9,1236.4 1578.4,998.4 1612.0,998.2 1612.0,979.5 1261.9,945.1 1213.4,946.1 871.0,947.5 233.7,945.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[871.0,947.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2695355,33.3534811]}},{"type":"Feature","properties":{"resourceCoords":[871.0,1329.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2695882,33.3520781]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0002/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 | 1943 | sanborn08122_008 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:37:51Z","modified":"2026-10-18T21:37:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"219.0,1027.0 215.0,891.3 229.5,891.6 152.6,126.9 456.6,122.9 904.0,119.8 1499.0,121.6 1496.0,819.1 1496.0,1802.1 223.6,1803.2 219.0,1027.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[219.0,1027.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2722865,33.3549905]}},{"type":"Feature","properties":{"resourceCoords":[1496.0,1027.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2694746,33.3549067]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0003__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 | 1943 | sanborn08122_008 p3 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"28"},{"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":"2026-10-18T21:37:51Z","modified":"2026-10-18T21:37:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"842.9,1836.1 843.0,1854.7 1370.1,1849.0 1510.5,1880.5 1593.3,1840.8 1556.2,1131.1 1533.7,1117.2 1540.8,713.8 1504.0,711.5 1499.0,576.0 1549.7,559.5 1270.7,547.8 1258.5,515.3 1164.3,544.4 1144.9,515.8 1064.0,507.8 1018.2,62.3 778.2,16.2 470.6,24.1 469.6,34.5 434.0,34.9 441.5,280.9 443.5,626.1 443.6,660.1 149.6,968.4 103.8,968.4 102.8,1317.0 103.4,1808.2 445.0,1805.0 842.9,1836.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[788.0,1420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2664559,33.3548167]}},{"type":"Feature","properties":{"resourceCoords":[445.0,1805.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.2680298,33.3534464]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0004/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 | 1943 | sanborn08122_008 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:37:51Z","modified":"2026-10-18T21:37:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"712.7,1864.8 939.0,1863.3 1240.0,1864.4 1286.3,1864.5 1584.5,1552.9 1584.5,1518.5 1583.1,1169.0 1576.0,920.0 1612.0,919.7 1612.0,909.1 1594.5,909.5 1563.9,777.0 1553.8,65.0 832.1,12.3 622.0,53.1 65.8,61.5 68.4,243.2 34.5,333.5 30.5,1806.8 1.0,1809.2 1.0,1819.7 232.8,1869.1 281.9,1870.2 712.7,1864.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1232.0,1165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.26932492020028,33.35911544714879]}},{"type":"Feature","properties":{"resourceCoords":[1578.0,1165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.26781894066492,33.35907130480864]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0005/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 | 1943 | sanborn08122_008 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:37:51Z","modified":"2026-10-18T21:37:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"927.7,31.1 1157.5,73.6 1205.7,73.3 1477.2,62.5 1525.6,441.0 1518.3,441.0 1522.2,508.3 1534.7,893.5 1543.9,1275.2 1526.8,1311.9 1479.5,1377.0 1379.0,1511.3 1381.9,1857.5 1153.4,1872.4 377.4,1826.1 68.7,1845.4 68.7,1670.3 106.4,1573.2 48.3,585.0 79.9,98.1 198.2,65.2 504.6,68.0 927.5,21.1 927.7,31.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914bm:g3914bm_g081221943:08122_1943-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1533.0,901.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.27234702627614,33.35353512751614]}},{"type":"Feature","properties":{"resourceCoords":[1533.0,1284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.27245298411593,33.35211817206914]}}]}}]}