{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00420_001.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Beverly Hills, California | 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://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004201922:00420_1922-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Beverly Hills, California | 1922 | sanborn00420_001 p1","metadata":[{"label":"streets","value":"34"},{"label":"intersections","value":"120"}],"created":"2026-09-22T10:41:59Z","modified":"2026-09-22T10:41:59Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004201922:00420_1922-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004201922:00420_1922-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 0.0,722.8 0.0,636.5 0.0,0.0 1613.0,0.0 1613.0,1498.2 1613.0,1581.1 1613.0,1773.1 1613.0,1881.8 1613.0,1881.8 1613.0,1913.0 649.1,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004201922:00420_1922-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[530.9,1103.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3985188,34.0699113]}},{"type":"Feature","properties":{"resourceCoords":[530.9,1156.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.3971359,34.0685095]}}]}}]}