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General Information

  • Title: Sedimentary formations of Washington, D.C., and vicinity
  • Author(s): Darton, N.H.
  • Publishing Organization: U.S. Geological Survey
  • Publication Date: 1947
  • Map Scale: 1:31,680
  • Cross Section: None
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Page Last Modified: Wed 05 Jun 2024 07:32:12 AM MDT