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General Information

  • Title: Correlation of Middle Jurassic and related rocks from Ouray to Black Canyon, western Colorado
  • Author(s): O'Sullivan, R.B.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Oil and Gas Investigations Chart OC-139
  • Publication Date: 1992
  • Map Scale: 1:487,385
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.