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

General Information

  • Title: Ordovician clastic sedimentary rocks in Pennsylvania
  • Author(s): Willard, Bradford
  • Publishing Organization: Geological Society of America
  • Series and Number: Bulletin v. 54 no. 8 [p. 1067-1122]
  • Publication Date: 1943
  • Map Scale: 1:2,837,017
  • Cross Section: Yes
  • Find more maps in this area with mapView
  • Corrections to this entry?
* See base map disclaimer below

Map Preview

(Click image to enlarge)

Downloads from the NGMDB

Poor quality image? Let us know

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