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National Geologic Map Database

General Information

  • Title: Cambrian through Mississippian rocks of the Powder River Basin, Wyoming, Montana, and adjacent areas
  • Author(s): Macke, D.L.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Bulletin 1917-M
  • Larger Work: Evolution of sedimentary basins - Powder River Basin
  • Publication Date: 1993
  • Map Scale: 1:2,941,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.