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National Geologic Map Database

General Information

  • Title: About the geologic map in the National Atlas of the United States of America
  • Author(s): Reed, J.C., and Bush, C.A.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Circular 1300
  • Publication Date: 2007
  • Map Scale: 1:7,500,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.