{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09057_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Pocahontas, Virginia | 1913 | 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":"12"},{"label":"placed","value":"2"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 37.30405,-81.33836 +/-198m); p1__2 (tier 4, 37.30451,-81.34011 +/-143m); p3__1 (tier 1, 37.30452,-81.33963 +/-100m); p4__1 (tier 1, 37.30311,-81.33728 +/-194m); p4__2 (tier 1, 37.30644,-81.33701 +/-127m); p4__3 (tier 1, 37.30212,-81.33942 +/-136m); p5__1 (tier 4, 37.30451,-81.34011 +/-143m); p5__2 (tier 4, 37.30451,-81.34011 +/-143m); p5__3 (tier 4, 37.30451,-81.34011 +/-143m); p5__4 (tier 4, 37.30451,-81.34011 +/-143m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571913:09057_1913-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Pocahontas, Virginia | 1913 | sanborn09057_005 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T06:40:19Z","modified":"2026-10-19T06:40:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571913:09057_1913-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571913:09057_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"107.9,1808.0 101.0,112.6 136.8,123.2 1055.0,49.0 1120.2,126.2 1466.8,143.2 1582.4,670.3 1533.0,1181.2 1579.1,1248.0 1508.2,1316.5 1565.7,1422.7 1553.9,1805.2 1288.6,1866.2 114.1,1849.6 107.9,1808.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571913:09057_1913-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[114.0,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.340111,37.304519]}},{"type":"Feature","properties":{"resourceCoords":[114.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.339137,37.303111]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571913:09057_1913-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Pocahontas, Virginia | 1913 | sanborn09057_005 p3 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.55"},{"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":"2026-10-19T06:40:19Z","modified":"2026-10-19T06:40:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571913:09057_1913-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571913:09057_1913-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1496.1,1863.4 1490.0,1822.0 1483.1,134.4 1355.8,96.6 1260.0,150.9 857.7,28.5 697.4,80.3 592.7,30.9 107.5,44.1 129.6,468.2 51.7,804.4 135.8,1295.6 264.4,1391.2 529.5,1388.7 529.5,1553.5 636.6,1703.0 621.1,1851.0 1496.1,1863.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571913:09057_1913-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1496.0,962.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.340111,37.304519]}},{"type":"Feature","properties":{"resourceCoords":[1496.0,1822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.339137,37.303111]}}]}}]}