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General Information

  • Title: Devonian stratigraphy of central and northwestern Montana
  • Author(s): Sloss, L.L, and Laird, W.M.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Oil and Gas Investigations Chart OC-25
  • Publication Date: 1946
  • Map Scale: 1:2,000,000
  • Cross Section: None
  • North Latitude: 49° 0' 0" N (49.0000)
  • South Latitude: 45° 45' 0" N (45.7500)
  • East Longitude: 108° 0' 0" W (-108.0000)
  • West Longitude: 113° 0' 0" W (-113.0000)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.