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Looking down at Redstone coking plants. Pitkin County, Colorado. 1909
Looking east at the Cold Spring mine. Boulder County, Colorado. 1930.
Looking up at Mount Logan oil shale plant. De Beque, Garfield County, Colorado. Colorado. June 1918.
Luckie 2 Tungsten Mill. Boulder, Boulder County, Colorado. 1917.
Mary McKinney and Kantinka mines. Cripple Creek District. Teller County, Colorado. 1903.
  Mica Hill mica mine. Fremont County, Colorado. 1910..jpg  
Miller Mine. Moffat County, Colorado. 1923.
Mines of Russell Gulch, looking southwest, Central City Quadrangle. Gilpin County, Colorado. 1911.
Moffat Coal Company Tipple looking down Oak Creek, to the north. Routt County, Colorado. 1919.
Moose mine. Cripple Creek District. Teller County, Colorado. 1903.
Morning Glory Mine. Cripple Creek District, Teller County, Colorado. 1903

Mica Hill mica mine. Fremont County, Colorado. 1910. Download Original Image
Total images: 85 | Last update: 8/29/09 2:16 PM | Help