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National Geologic Map Database

General Information

  • Title: Geologic map of North America
  • Author(s): Goddard, E.N., Billings, M.P., Levorsen, A.I., Reed, J.C., Fries, Jr., C., Bell, W.A., Hanson, G., Harrison, J.M., Flores, T., Guzman, E., and King, P.B.
  • Publishing Organization: U.S. Geological Survey
  • Publication Date: 1965
  • Map Scale: 1:5,000,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.