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Gold from selected localities.

  • Colorado
    • Park Co.
      • Montezuma Mining District
        • Hall Valley (Hall's Valley)
U.S. Geological Survey Professional Paper 223
    • Summit Co.
      • Breckenridge Mining District
        • French Gulch
[MinRec 32:31]
USGS Proffesional Paper 75
Rocks & Min.:57:60.
Minerals of Colorado (1997) E.B. Eckel; USGS Proffesional Paper 75; R. P Rothwell (1898) The Mineral Industry, its statistics, technology and trade. Vol. 6 Scientific Publishing Co., New York
Minerals of Colorado (1997) Eckel, E. B. fig 59
Rocks & Min.: 63:49.; U.S. Geological Survey Professional Paper 223
U.S. Geological Survey Professional Paper 223
      • Swandyke Area
U.S. Geological Survey Professional Paper 223
Mineral and/or Locality  
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