{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn08966_007.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Abingdon, Virginia | 1922 | 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://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884am:g08966007:sb000010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Abingdon, Virginia | 1922 | sanborn08966_007 p1","metadata":[{"label":"streets","value":"38"},{"label":"intersections","value":"59"}],"created":"2026-09-22T23:54:43Z","modified":"2026-09-22T23:54:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884am:g08966007:sb000010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884am:g08966007:sb000010/info.json","type":"ImageService2","height":10348,"width":8812},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,10348.0 0.0,0.0 8812.0,-0.0 8812.0,10348.0 0.0,10348.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884am:g08966007:sb000010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1937.4,3834.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.9890547,36.7047066]}},{"type":"Feature","properties":{"resourceCoords":[3256.7,3761.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.981897,36.707539]}}]}}]}