View of probably an oil shale retort with a brick smokestack and timber scaffolding in Rio Blanco County, Colorado. Shows ladders above a corrugated metal roof and a sign on the building that reads: "Continental Oil Shale Mining & Ref'g Co." A...
Oil-shale industry--Colorado--Rio Blanco County--1910-1930.; Oil-shales--Colorado--Rio Blanco County--1910-1930.; Rio Blanco County (Colo.)--1910-1930.; Cliffs--Colorado--Rio Blanco County--1910-1930.; Refineries--Colorado--Rio Blanco...
A group of fourteen miners in work clothes, including overalls, pose near the Pittsburg Mine in Central City (Gilpin County), Colorado. Shows a dog (with a miner's cap on its head). One miner holds a wrench, another holds a sledge hammer and a...
Central City (Colo.)--1900-1910.; Pittsburg Mine (Gilpin County, Colo.)--1900-1910.; Miners--Colorado--Central City--1900-1910.; Mining--Colorado--Central City--1900-1910.
Shows a Native American (Ute) bundle case used to hold medicine. The case features a rawhide thong, fringe, lid and feathers. It is painted with triangles, rectangles, and lines in green, red, black, yellow and blue.
Indians of North America--Arts & crafts--1880-1890.; Medicine bundles--1880-1890.; Ute Indians--Arts & crafts--1880-1890.; Cases (containers)--1880-1890.
A group of unidentified men pose on the back platform of Denver and Rio Grande Railroad car No. 93 at Leadville Junction in Lake County, Colorado. Some of the men stand on the railroad tracks and the wood platform next to a wood railroad building....
Denver and Rio Grande Railroad Company--1890-1910.; Lake County (Colo.)--1890-1910.; Men--Colorado--Lake County--1890-1910.; Railroad cars--Colorado--Lake County--1890-1910.
Colorado and Southern locomotive No. 13 pulls a train up the "Switch Back" above Blackhawk in Gilpin County, Colorado, leaving a trail of black smoke behind it. The Switch Back enabled trains to travel the steep, 1-mile distance between Central...
Mining--Colorado--Gilpin County--1900-1910.; Railroad locomotives--Colorado--Gilpin County--1900-1910.; Colorado and Southern Railway.
Yearbook for Douglas County High School, located in Castle Rock, Colorado, for the year 1963.
Douglas County High School (Castle Rock, Colo.)--Students--Yearbooks.; Douglas County History Research Center (Castle Rock, Colo.); School yearbooks--Colorado--Douglas County.; High schools--Colorado--Douglas County--Periodicals.