{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn05053_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Miles City, Montana | 1904 | 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:gmd425m:g4254m:g4254mm:g4254mm_g050531904:05053_1904-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Miles City, Montana | 1904 | sanborn05053_005 p1 [1]","metadata":[{"label":"streets","value":"34"},{"label":"intersections","value":"109"},{"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":"3873.4"}],"created":"2026-09-23T09:46:00Z","modified":"2026-09-23T09:46:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254mm:g4254mm_g050531904:05053_1904-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254mm:g4254mm_g050531904:05053_1904-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.4,968.4 608.0,967.0 1613,964.5 1613,0.0 1248.4,0.0 940.3,0.0 -0.0,-0.0 -0.0,968.4 1.4,968.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd425m:g4254m:g4254mm:g4254mm_g050531904:05053_1904-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[805.4,196.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8449669,46.4136721]}},{"type":"Feature","properties":{"resourceCoords":[514.0,522.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.848214,46.404849]}}]}}]}