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

General Information

  • Title: Subdivision and dating of the Cambrian of eastern Pennsylvania
  • Author(s): Howell, B.F., Roberts, Henry, and Willard, Bradford
  • Publishing Organization: Geological Society of America
  • Series and Number: Bulletin v. 61 no. 12 [pt. 1, p. 1355-1367]
  • Publication Date: 1950
  • Map Scale: 1:1,584,000
  • Cross Section: None
  • 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.