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General Information

  • Title: Early Silurian formations of southeastern Pennsylvania
  • Author(s): Swartz, C.K., and Swartz, F.M.
  • Publishing Organization: Geological Society of America
  • Series and Number: Bulletin v. 42 no. 3 [p. 621-661]
  • Publication Date: 1931
  • Map Scale: 1:5,700,000
  • Cross Section: Yes
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.