{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00656_093.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Los Angeles, California | 1953 | key map | mapsnap generated fit (2026-10-24)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-24"},{"label":"run","value":"corpus-v2.2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195301A:00656_01A_1953-0000/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Los Angeles, California | 1953 | sanborn00656_093 p0","metadata":[{"label":"streets","value":"79"},{"label":"intersections","value":"398"}],"created":"2026-10-24T15:22:15Z","modified":"2026-10-24T15:22:15Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195301A:00656_01A_1953-0000/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195301A:00656_01A_1953-0000","type":"ImageService3","width":1110,"height":1359},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1359.0 0.0,0.0 1110.0,0.0 1110.0,1359.0 0.0,1359.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656195301A:00656_01A_1953-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[751.2,1032.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2489066,34.012038]}},{"type":"Feature","properties":{"resourceCoords":[677.5,647.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2540218,34.0327683]}}]}}]}