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National Geologic Map Database

General Information

  • Title: Map of major lithologic units in the Pacific northwest: a contribution to the Interior Columbia Basin Ecosystem Management Project
  • Author(s): Johnson, B.R., and Raines, G.L.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Geologic Investigations Series Map I-2674
  • Publication Date: 2001
  • Map Scale: 1:1,500,000
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.