A history of the early explorations and of the progress of geological investigations in the Black Hills region.

Lignende værker

• A history of the early explorations and of the progress of geological investigations in the Black Hills region
  af: O'Harra, Cleophas C. (Cleophas Cisney), 1866-1935
  Udgivet: (1900)
• A bibliography of the geology and mining interests of the Black Hills region
  af: O'Harra, Cleophas C. (Cleophas Cisney), 1866-1935
  Udgivet: (1917)
• Preliminary report of the Dakota School of Mines upon the geology, mineral resources, and mills of the Black Hills of Dakota
  af: Carpenter, Franklin R.
  Udgivet: (1888)
• The Tertiary mineralization of the northern Black Hills
  af: Connolly, Joseph Peter, 1890-1947
  Udgivet: (1927)
• The White River Badlands
  af: O'Harra, Cleophas C. (Cleophas Cisney), 1866-1935
  Udgivet: (1920)