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General Information

  • Title: The Devonian of Pennsylvania
  • Author(s): Willard, Bradford, Swartz, F.M, and Cleaves, A.B.
  • Publishing Organization: Pennsylvania Geological Survey
  • Series and Number: General Geology Report 19
  • Publication Date: 1939
  • Map Scale: 1:760,320
  • Cross Section: Yes
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.