{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn00398_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Auburn, California | 1912 | 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:gmd436m:g4364m:g4364am:g4364am_g003981912:00398_1912-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Auburn, California | 1912 | sanborn00398_005 p1 [2]","metadata":[{"label":"streets","value":"23"},{"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":"4079.3"}],"created":"2026-09-22T11:21:44Z","modified":"2026-09-22T11:21:44Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364am:g4364am_g003981912:00398_1912-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364am:g4364am_g003981912:00398_1912-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6878.4,0.0 5206.8,0.0 3897.6,0.0 0.0,0.0 0.0,4079.3 6878.4,4026.0 6878.4,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd436m:g4364m:g4364am:g4364am_g003981912:00398_1912-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4684.8,1999.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.0676642,38.9026465]}},{"type":"Feature","properties":{"resourceCoords":[2490.1,2622.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.0764524,38.89301]}}]}}]}