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?
* See base map disclaimer below.
Find more maps in this area with mapView

Map Preview

(Click image to enlarge)

Downloads from the NGMDB

Poor quality image? Let us know

Additional Resources

* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.