U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

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
  • North Latitude: 40° 16' 37" N (40.2769)
  • South Latitude: 40° 8' 17" N (40.1381)
  • East Longitude: 78° 2' 14" W (-78.0372)
  • West Longitude: 78° 8' 6" W (-78.1350)
  • Corrections to this entry?

Map Preview

(Click image to enlarge)

Downloads from the NGMDB


External Resources