{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00432_007.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Brawley, California | 1962 | key map | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004321962:00432_1962-0001a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brawley, California | 1962 | sanborn00432_007 p1a","metadata":[{"label":"streets","value":"38"},{"label":"intersections","value":"77"}],"created":"2026-10-19T23:59:06Z","modified":"2026-10-19T23:59:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004321962:00432_1962-0001a/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004321962:00432_1962-0001a","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1913.0 0.0,0.0 1613.0,0.0 1613.0,1913.0 0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004321962:00432_1962-0001a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1004.5,225.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.5210202,32.9848316]}},{"type":"Feature","properties":{"resourceCoords":[219.8,504.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.5416572,32.9786224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004321962:00432_1962-0001b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brawley, California | 1962 | sanborn00432_007 p1b","metadata":[{"label":"streets","value":"37"},{"label":"intersections","value":"84"}],"created":"2026-10-19T23:59:06Z","modified":"2026-10-19T23:59:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004321962:00432_1962-0001b/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004321962:00432_1962-0001b","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1913.0 0.0,0.0 1613.0,0.0 1613.0,1913.0 0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364bm:g4364bm_g004321962:00432_1962-0001b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[589.7,490.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.5320465,32.9786272]}},{"type":"Feature","properties":{"resourceCoords":[883.5,212.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-115.5242068,32.984848]}}]}}]}