{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00656_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Los Angeles, California | 1890 | key map | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656189002:00656_02_1890-0000l/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 | 1890 | sanborn00656_002 p0l","metadata":[{"label":"streets","value":"120"},{"label":"intersections","value":"419"}],"created":"2026-10-18T14:58:53Z","modified":"2026-10-18T14:58:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656189002:00656_02_1890-0000l/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656189002:00656_02_1890-0000l","type":"ImageService3","width":1395,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2038.0 0.0,0.0 1395.0,0.0 1395.0,2038.0 0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656189002:00656_02_1890-0000l/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[570.8,316.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2644159,34.0720059]}},{"type":"Feature","properties":{"resourceCoords":[297.5,1228.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2739912,34.0433198]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656189002:00656_02_1890-0000r/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 | 1890 | sanborn00656_002 p0r","metadata":[{"label":"streets","value":"66"},{"label":"intersections","value":"99"}],"created":"2026-10-18T14:58:53Z","modified":"2026-10-18T14:58:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656189002:00656_02_1890-0000r/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656189002:00656_02_1890-0000r","type":"ImageService3","width":1399,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2038.0 0.0,0.0 1399.0,0.0 1399.0,2038.0 0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364lm:g4364lm_g00656189002:00656_02_1890-0000r/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[667.1,400.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2090261,34.0702235]}},{"type":"Feature","properties":{"resourceCoords":[667.1,197.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-118.2091266,34.0766608]}}]}}]}