The Helderberg Group and the position of the Silurian-Devonian boundary in North America /

Saved in:

Bibliographic Details
Author / Creator:	Berdan, Jean Milton, author.
Imprint:	Washington, D.C. : United States Department of the Interior, Geological Survey, 1964. Washington, D.C. : Government Printing Office
Description:	1 online resource (iii, 19 pages) : map, charts.
Language:	English
Series:	Geological Survey bulletin ; 1180-B Geological Survey bulletin ; 1180-B.
Subject:	Geology, Stratigraphic -- Devonian. Geology, Stratigraphic -- Silurian. Devonian Geologic Period. Geology, Stratigraphic. Silurian Geologic Period.
Format:	E-Resource Map U.S. Federal Government Document Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/10948289

Hidden Bibliographic Details
Varying Form of Title:	Contributions to stratigraphic paleontology
Other authors / contributors:	Geological Survey (U.S.), issuing body.
Notes:	Title from title screen (viewed July 24, 2014). Additional title page description: "A historical summary including a review of pertinent literature." Includes bibliographical references (pages 18-19).
Other form:	Print version: Berdan, Jean Milton Helderberg Group and the position of the Silurian-Devonian boundary in North America
GPO item no.:	0620 (online)
Govt.docs classification:	I 19.3:1180-B

Similar Items