{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn09020_007.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Franklin, Virginia | 1917 | key map | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884fm:g3884fm_g090201917:09020_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":"Franklin, Virginia | 1917 | sanborn09020_007 p1 [2]","metadata":[{"label":"streets","value":"36"},{"label":"intersections","value":"86"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6878.4"},{"label":"split_canvas_h","value":"6157.0"}],"created":"2026-09-23T01:06:22Z","modified":"2026-09-23T01:06:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884fm:g3884fm_g090201917:09020_1917-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884fm:g3884fm_g090201917:09020_1917-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1269.5,1539.2 1613,1537.3 1613,0.0 198.3,0.0 -0.0,0.0 0.0,1004.9 425.1,1004.4 831.2,1163.2 1269.0,1539.2 1269.5,1539.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884fm:g3884fm_g090201917:09020_1917-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[288.7,713.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.924888,36.671943]}},{"type":"Feature","properties":{"resourceCoords":[629.2,392.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.922707,36.680391]}}]}}]}