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General Information

  • Title: Geologic maps of the Big Mallard, Middle Bargamin, and Magruder additions to the Frank Church-River-Of-No-Return Wilderness, Lemhi and Idaho Counties, Idaho
  • Author(s): Lund, Karen, Mutschler, F.M., Pawlowski, M.R., Hall, B.S., Bruce, R.M., and Evans, K.V.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Miscellaneous Field Studies Map MF-2204
  • Publication Date: 1992
  • Map Scale: 1:50,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.