{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00436_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Burbank, California | 1918 | key map | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004361918:00436_1918-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burbank, California | 1918 | sanborn00436_002 p1 [2]","metadata":[{"label":"streets","value":"28"},{"label":"intersections","value":"109"},{"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":"2026-09-23T02:47:32Z","modified":"2026-09-23T02:47:32Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004361918:00436_1918-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004361918:00436_1918-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,-0.0 1255.0,-0.0 1170.6,-0.0 740.0,-0.0 0.0,-0.0 0.0,1556.4 857.1,1556.3 859.3,1913 1613,1913 1613,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004361918:00436_1918-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[634.5,660.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3075165,34.182056]}},{"type":"Feature","properties":{"resourceCoords":[927.0,728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3027853,34.1765428]}}]}}]}