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Moose mine. Cripple Creek District. Teller County, Colorado. 1903.
Morning Glory Mine. Cripple Creek District, Teller County, Colorado. 1903
Newman Hill Mines from Iron Draw. Rico District. Dolores County, Colorado. 1900.
Opening into the Lay Mine at Lay, Moffat County, Colorado. 1912.
Pinnacle Coal Mine of the Victor American Fuel Co. Routt Co. Colorado 1919
  Porter Mine. La Plata County, Colorado. 1905.jpg  
Portland Gold Mining mill at Victor. Teller County, Colorado. 1917
Puzzle Mine and landslip mass in foreground. CHC Hill in background. Dolores County, Colorado. 1900.
Quarry P.C. Company of Colorado, Portland. Fremont County, Colorado. 1903
Red Mountain and mine from road to Barstow Mine. Red Mountain, Ouray County, Colorado. 1900.
Robinson, Guston, and Yankee Girl mines. Ouray County, Colorado. 1900

Porter Mine. La Plata County, Colorado. 1905 Download Original Image
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