Bibliography
- Limerick, Patricia Nelson. The Legacy of Conquest: The Unbroken Past of the American West. N.Y.: W.W. Norton, 1987.
- Smith, Duane A. Rocky Mountain West: Colorado, Wyoming, & Montana, 1859-1915. Albuquerque: University of New Mexico Press, 1992.
- Williams, Albert N. Rocky Mountain Country. N.Y.: Duell, Sloan & Pearce, 1950.
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