{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01024_006.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"La Junta, Colorado | 1911 | key map | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010241911:01024_1911-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Junta, Colorado | 1911 | sanborn01024_006 p1 [1]","metadata":[{"label":"streets","value":"37"},{"label":"intersections","value":"146"},{"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":"4544.6"}],"created":"2026-10-20T02:46:22Z","modified":"2026-10-20T02:46:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010241911:01024_1911-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010241911:01024_1911-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 0.0,0.0 0.0,924.9 767.9,924.9 894.5,1126.1 898.0,1131.6 1613,1136.2 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010241911:01024_1911-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[655.6,400.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.5430951,37.9829376]}},{"type":"Feature","properties":{"resourceCoords":[655.6,454.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-103.5430785,37.9819392]}}]}}]}