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National Geologic Map Database

General Information

  • Title: A tapestry of time and terrain
  • Author(s): Vigil, J.F., Pike, R.J., and Howell, D.G.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Geologic Investigations Series Map I-2720
  • Publication Date: 2000
  • Map Scale: 1:1,350,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.