{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01623_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Ketchum, Idaho | 1885 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"2"},{"label":"placed","value":"1"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 43.68031,-114.36314 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274km:g016231885:01623_1885-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Ketchum, Idaho | 1885 | sanborn01623_001 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-21T07:09:49Z","modified":"2026-09-21T07:09:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274km:g016231885:01623_1885-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274km:g016231885:01623_1885-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1112.9,1913.0 1114.9,973.0 1613.0,975.5 1613.0,0.0 1360.0,0.0 1190.0,0.0 0.0,0.0 -0.0,1913.0 1112.9,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274km:g016231885:01623_1885-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[619.0,947.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-114.363504,43.680081]}},{"type":"Feature","properties":{"resourceCoords":[191.0,947.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-114.3642871,43.6795267]}}]}}]}