{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00997_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Fort Lupton, Colorado | 1908 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"3"},{"label":"placed","value":"1"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 40.08223,-104.81038 +/-100m); p1__3 (tier 4, 40.08223,-104.81038 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314fm:g009971908:00997_1908-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fort Lupton, Colorado | 1908 | sanborn00997_001 p1 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.72"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4800.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T02:46:29Z","modified":"2026-10-18T02:46:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314fm:g009971908:00997_1908-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314fm:g009971908:00997_1908-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1198.2,1817.1 1181.7,285.3 1125.5,35.8 42.5,60.8 44.0,1841.9 1155.2,1888.2 1198.2,1817.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314fm:g009971908:00997_1908-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[551.0,898.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.810505,40.082341]}},{"type":"Feature","properties":{"resourceCoords":[56.0,898.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.81173,40.082338]}}]}}]}