{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01070_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Rocky Ford, Colorado | 1919 | 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:gmd431m:g4314m:g4314rm:g010701919:01070_1919-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Rocky Ford, Colorado | 1919 | sanborn01070_005 p1 [1]","metadata":[{"label":"streets","value":"27"},{"label":"intersections","value":"84"},{"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":"7830.4"}],"created":"2026-09-23T02:52:25Z","modified":"2026-09-23T02:52:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314rm:g010701919:01070_1919-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314rm:g010701919:01070_1919-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,-0.0 0.0,-0.0 0.0,1260.7 325.1,1260.0 325.1,1913 325.1,1913 360.4,979.3 1613,992.4 1613,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314rm:g010701919:01070_1919-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[361.2,288.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.7235738,38.0562608]}},{"type":"Feature","properties":{"resourceCoords":[522.5,467.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.7214215,38.0503514]}}]}}]}