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National Geologic Map Database

General Information

  • Title: Preliminary geologic map of the Philipsburg 30' x 60' quadrangle, western Montana, revised 2009
  • Author(s): Lonn, J.D., McDonald, C.M., Lewis, R.S., Kalakay, T.J., O'Neill, J.M., Berg, R.B., and Hargrave, Phyllis
  • Publishing Organization: Montana Bureau of Mines and Geology
  • Series and Number: Open-File Reports MBMG-483
  • Publication Date: 2003
  • Map Scale: 1:100,000
  • Cross Section: Yes
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.