The Permian and Triassic Seven Devils Group, western Idaho and northeastern Oregon /

Bibliographic Details
Main Author:	Vallier, Tracy L. (Tracy Lowell), 1936- (Author)
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1977.
Series:	Geological Survey bulletin ; 1437.
Subjects:	Geology > Idaho > Seven Devils Mountains. Geology > Snake River Valley (Wyo.-Wash.) Geology, Stratigraphic > Permian. Geology, Stratigraphic > Triassic. Geology. Geology, Stratigraphic. Permian Geologic Period. Triassic Geologic Period. Idaho. Oregon. From 190 to 280 million years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo74960

Description
Item Description:	Title from title screen (viewed August 1, 2014).
Physical Description:	1 online resource (iv, 58 pages) : illustrations.
Bibliography:	Includes bibliographical references (pages 56-58).