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National Geologic Map Database

General Information

  • Title: Map database for surficial materials in the conterminous United States
  • Author(s): Soller, D.R., Reheis, M.C., Garrity, C.P., and Van Sistine, D.P.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Data Series DS-425
  • Publication Date: 2009
  • 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.