{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09002_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Clarksville, Virginia | 1902 | 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":"6"},{"label":"placed","value":"1"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 36.62294,-78.55985 +/-100m); p1__3 (tier 4, 36.62294,-78.55985 +/-100m); p1__4 (tier 4, 36.62294,-78.55985 +/-100m); p2__1 (tier 2, 36.62340,-78.55818 +/-100m); p2__2 (tier 2, 36.62340,-78.55818 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884cm:g3884cm_g090021902:09002_1902-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Clarksville, Virginia | 1902 | sanborn09002_001 p1 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.03"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1672.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4780.0"},{"label":"split_canvas_h","value":"5548.4"}],"created":"2026-10-18T00:42:05Z","modified":"2026-10-18T00:42:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884cm:g3884cm_g090021902:09002_1902-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884cm:g3884cm_g090021902:09002_1902-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"911.5,1355.3 1430.6,1373.0 1574.3,1324.1 1596.7,345.9 1477.8,66.0 1349.4,41.4 1278.2,128.0 1247.8,74.9 449.6,122.6 453.9,1043.2 873.2,1049.7 911.5,1355.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884cm:g3884cm_g090021902:09002_1902-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[476.0,124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.559471,36.624612]}},{"type":"Feature","properties":{"resourceCoords":[476.0,1340.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.562122,36.623054]}}]}}]}