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General Information

  • Title: Exshaw Formation of Devonian and Mississippian age in northwestern Montana
  • Author(s): Sandberg, C.A.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Bulletin 1254-A [p. A39-A41]
  • Larger Work: Hayes, P.T., Changes in stratigraphic nomenclature by the U.S. Geological Survey, 1966
  • Publication Date: 1967
  • Map Scale: 1:1,942,033
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.