Category:Open pit mines in Colorado

Media in category "Open pit mines in Colorado"

The following 3 files are in this category, out of 3 total.

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  Cripple Creek Diatreme (Early Oligocene, 32 Ma; Cresson Pit, Cripple Creek Mining District, Colorado, USA) 13.jpg 3,004 × 1,943; 7.25 MB
  
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  Cripple Creek Diatreme (Early Oligocene, 32 Ma; Cresson Pit, Cripple Creek Mining District, Colorado, USA) 21.jpg 3,008 × 2,000; 6.59 MB
  
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  Cripple Creek Diatreme (Early Oligocene, 32 Ma; Cresson Pit, Cripple Creek Mining District, Colorado, USA) 34.jpg 3,008 × 2,000; 7.45 MB