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

General Information

  • Title: A study of the James types of Ordovician and Silurian Bryozoa
  • Author(s): Bassler, R.S.
  • Publishing Organization: U.S. National Museum
  • Series and Number: Proceedings v. 30 [p. 1-66]
  • Publication Date: 1906
  • 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.