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National Geologic Map Database

General Information

  • Title: Geologic map and distribution of heavy minerals in Tertiary rocks of the Sheridan 30' x 60' quadrangle, Wyoming and Montana
  • Author(s): Denson, N.M., Macke, D.L., and Schumann, R.R.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Miscellaneous Investigations Series Map I-2020
  • Publication Date: 1990
  • Map Scale: 1:100,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.