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General Information

  • Title: A measured section of the Paleozoic rocks of central Pennsylvania, from the top of the Allegheny River Coal Series, down to the Trenton limestone in the Lower, or Cambro-Silurian System
  • Author(s): Ashburner, C.A.
  • Publishing Organization: American Philosophical Society
  • Series and Number: Proceedings v. 16, no. 99 [p. 519-560]
  • Publication Date: 1877
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.