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National Geologic Map Database

General Information

  • Title: Mineral resources of the region around Boulder Dam
  • Author(s): Hewett, D.F., Callaghan, Eugene, Moore, B.N., Nolan, T.B., Rubey, W.W., and Schaller, W.T.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Bulletin 871
  • Publication Date: 1936
  • Map Scale: 1:1,500,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.