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National Geologic Map Database

General Information

  • Title: Frontier formation, Wyoming and adjacent areas
  • Author(s): Cobban, W.A., and Reeside, J.B., Jr.
  • Publishing Organization: American Association of Petroleum Geologists
  • Series and Number: Bulletin v. 36, no. 10 [p. 1913-1961]
  • Publication Date: 1952
  • Map Scale: 1:7,454,118
  • Cross Section: Yes
  • North Latitude: 45° 49' 38" N (45.8272)
  • South Latitude: 39° 39' 15" N (39.6542)
  • East Longitude: 104° 53' 31" W (-104.8919)
  • West Longitude: 111° 37' 22" W (-111.6228)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.