{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn06455_004.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mount Airy, North-Carolina | 1905 | key map | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd390m:g3904m:g3904mm:g3904mm_g064551905:06455_1905-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mount Airy, North-Carolina | 1905 | sanborn06455_004 p1 [1]","metadata":[{"label":"streets","value":"19"},{"label":"intersections","value":"18"},{"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":"8074.1"}],"created":"2026-09-22T23:02:15Z","modified":"2026-09-22T23:02:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd390m:g3904m:g3904mm:g3904mm_g064551905:06455_1905-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd390m:g3904m:g3904mm:g3904mm_g064551905:06455_1905-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 0.0,0.0 -0.0,1913 1055.5,1913 1055.5,1438.2 1180.9,1435.0 1180.2,1000.4 1613,992.1 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd390m:g3904m:g3904mm:g3904mm_g064551905:06455_1905-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[351.9,715.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.6118875,36.4981392]}},{"type":"Feature","properties":{"resourceCoords":[501.8,519.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.609924,36.501122]}}]}}]}