{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06423_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Henderson, North-Carolina | 1907 | key map | 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"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd390m:g3904m:g3904hm:g3904hm_g064231907:06423_1907-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Henderson, North-Carolina | 1907 | sanborn06423_005 p1 [1]","metadata":[{"label":"streets","value":"31"},{"label":"intersections","value":"85"},{"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":"4741.1"}],"created":"2026-10-19T02:39:33Z","modified":"2026-10-19T02:39:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd390m:g3904m:g3904hm:g3904hm_g064231907:06423_1907-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd390m:g3904m:g3904hm:g3904hm_g064231907:06423_1907-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 0.0,0.0 0.0,1185.3 479.1,1185.3 1613,1185.3 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd390m:g3904m:g3904hm:g3904hm_g064231907:06423_1907-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[491.9,619.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.4051778,36.3264099]}},{"type":"Feature","properties":{"resourceCoords":[525.5,435.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.4012141,36.3282252]}}]}}]}