{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09076_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"South Hill, Virginia | 1917 | 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":"2"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 36.72579,-78.13027 +/-180m); p1__3 (tier 1, 36.72980,-78.12722 +/-184m); p2__2 (tier 2, 36.72556,-78.13028 +/-100m); p2__3 (tier 1, 36.72526,-78.13359 +/-156m); p2__4 (tier 2, 36.72556,-78.13028 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090761917:09076_1917-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"South Hill, Virginia | 1917 | sanborn09076_003 p1 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.37"},{"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":"2026-10-18T03:32:45Z","modified":"2026-10-18T03:32:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090761917:09076_1917-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090761917:09076_1917-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1068.7,1912.0 1061.3,1894.3 1571.4,1876.3 1612.0,1700.5 1612.0,1696.9 1539.2,825.2 1568.7,261.4 1481.4,56.1 1003.2,18.6 394.8,71.3 350.4,906.0 268.3,1112.1 40.7,1177.8 44.0,1730.0 9.8,1742.1 545.2,1745.3 849.0,1744.0 850.4,1912.0 1068.7,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090761917:09076_1917-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[849.0,1744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.129579,36.725598]}},{"type":"Feature","properties":{"resourceCoords":[326.0,1744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.130772,36.725936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090761917:09076_1917-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"South Hill, Virginia | 1917 | sanborn09076_003 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.23"},{"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":"6576.4"}],"created":"2026-10-18T03:32:45Z","modified":"2026-10-18T03:32:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090761917:09076_1917-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090761917:09076_1917-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1254.4,1173.6 1254.4,1173.5 1260.7,1173.5 1608.2,1171.2 1587.5,327.1 1549.3,234.0 1342.5,232.8 1342.1,73.6 1054.2,73.1 546.9,67.2 461.1,97.0 347.7,31.6 101.9,47.1 48.5,114.5 18.5,1073.8 71.5,1146.2 591.2,1196.2 681.7,1436.9 773.5,1440.0 766.1,1519.2 854.6,1509.5 883.2,1555.3 994.2,1593.6 1029.3,1564.3 1057.0,1613.7 1159.3,1627.0 1242.2,1584.3 1202.5,1409.7 1254.4,1173.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090761917:09076_1917-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1046.0,1052.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.131112,36.723905]}},{"type":"Feature","properties":{"resourceCoords":[1343.0,1052.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.1303956,36.7237058]}}]}}]}