Permian rock units in the Glass Mountains, west Texas : nomenclature, revisions in ages, and local correlations of rock units of the Leonard Series and lower part of the Guadalupe Series /

Bibliographic Details
Main Authors:	Cooper, G. Arthur (Gustav Arthur), 1902-2000 (Author), Grant, Richard E., 1927-1994 (Author)
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1966.
Series:	Geological Survey bulletin ; 1244-E. Contributions to stratigraphy.
Subjects:	Geology, Stratigraphic > Permian. Geology > Nomenclature. Geology > Texas. Geology. Geology, Stratigraphic. Permian Geologic Period. Texas. From 230 to 280 million years ago Terminology.
Online Access:	https://purl.fdlp.gov/GPO/gpo67798

Description
Item Description:	Title from title screen (viewed September 15, 2014).
Physical Description:	1 online resource (9 pages, 2 pages of plates) : illustrations.
Bibliography:	Includes bibliographical references (pages 8-9).