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General Information

  • Title: Correlation chart of Lower and Upper Cretaceous Blackleaf Formation, Lima Peaks area to eastern Pioneer Mountains, southwestern Montana
  • Author(s): Dyman, T.S., and Tysdal, R.G.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Miscellaneous Field Studies Map MF-2119
  • Publication Date: 1990
  • Map Scale: 1:188,700
  • Cross Section: Yes
  • North Latitude: 45° 53' 39" N (45.8942)
  • South Latitude: 44° 28' 58" N (44.4828)
  • East Longitude: 112° 29' 16" W (-112.4878)
  • West Longitude: 112° 52' 41" W (-112.8781)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.