{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn05283_001.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ely, Nevada | 1907 | 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:gmd435m:g4354m:g4354em:g052831907:05283_1907-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ely, Nevada | 1907 | sanborn05283_001 p1 [2]","metadata":[{"label":"streets","value":"18"},{"label":"intersections","value":"37"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6938.1"},{"label":"split_canvas_h","value":"4020.0"}],"created":"2026-09-22T06:46:22Z","modified":"2026-09-22T06:46:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd435m:g4354m:g4354em:g052831907:05283_1907-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd435m:g4354m:g4354em:g052831907:05283_1907-0001/info.json","type":"ImageService2","height":7680,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6938.1,0.0 0.0,-0.0 0.0,3954.7 6938.1,4020.0 6938.1,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd435m:g4354m:g4354em:g052831907:05283_1907-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1644.5,1102.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-114.894862,39.249097]}},{"type":"Feature","properties":{"resourceCoords":[473.2,3093.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-114.8963607,39.2416452]}}]}}]}