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Aspen Contact Mine, Lenado. Pitkin County, Colorado. 1908.
Battle Mountain mines. Cripple Creek District. Teller County, Colorado. 1903.
Black Hawk Mine and fault-fissure from Uncle Ned Mine. Rico district. Dolores County, Colorado. 1900.
Bull cliff and town of Independence, Vindicator mine to right. Teller County, Colorado. October 7, 1903
Bull Hill mines from Raven Hill. Cripple Creek District. Teller County, Colorado. October 7, 1903.
  Butcher Knife Coal Mine. Routt County, Colorado. 1924..jpg  
California Gulch, showing dump from the Yak mill. Lake County, Colorado, 1913
Carlton or Pikeview Mine north of Colorado Springs. El Paso County, Colorado. 1908
Chase mine. Central City Quadrangle. Gilpin County, Colorado. 1911.
Climax Mine from Fremont Pass. Lake County, Colorado. 1940.
Coal breaker at the Ruby Anthracite Mine, Floresta. Gunnison County, Colorado. 1909.

Butcher Knife Coal Mine. Routt County, Colorado. 1924. Download Original Image
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