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General Information

  • Title: The Bighorn dolomite and correlative formations in southern Montana and northern Wyoming
  • Author(s): Richards, P.W., and Nieschmidt, C.L.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Oil and Gas Investigations Map OM-202
  • Publication Date: 1961
  • Map Scale: 1:750,000
  • Cross Section: None
  • North Latitude: 46° 10' 0" N (46.1667)
  • South Latitude: 43° 29' 0" N (43.4833)
  • East Longitude: 104° 7' 30" W (-104.1250)
  • West Longitude: 111° 10' 0" W (-111.1667)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.