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National Geologic Map Database

General Information

  • Title: Revision of Upper Cretaceous nomenclature in Montana and South Dakota
  • Author(s): Rice, D.D., Shurr, G.W., and Gautier, D.L.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Bulletin 1529-H [p. H99-H104]
  • Larger Work: Stratigraphic notes, 1980-1982
  • Publication Date: 1982
  • Map Scale: 1:9,873,453
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.