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General Information

  • Title: Isopach and lithofacies map of the Sauk sequence (excluding basal clastics) in the northern midcontinent, U.S.A.
  • Author(s): Pratt, W.P.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Miscellaneous Field Studies Map MF-1835-D
  • Publication Date: 1987
  • Map Scale: 1:1,000,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.