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General Information

  • Title: Preliminary map of plutonic units of the Boulder batholith, southwestern Montana [also published by the Montana Bureau of Mines and Geology]
  • Author(s): Smedes, H.W., Klepper, M.R., and Tilling, R.I.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Open-File Report OF-88-283
  • Publication Date: 1988
  • Map Scale: 1:200,000
  • Cross Section: None
  • North Latitude: 46° 41' 38" N (46.6940)
  • South Latitude: 45° 37' 23" N (45.6230)
  • East Longitude: 111° 30' 0" W (-111.5000)
  • West Longitude: 112° 45' 0" W (-112.7500)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.