The Black Canyon of the Gunnison : today and yesterday /

Bibliographic Details
Main Author:	Hansen, Wallace R., 1920-
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1965.
Series:	Geological Survey bulletin ; 1191.
Subjects:	Geology > Colorado > Black Canyon of the Gunnison. Black Canyon of the Gunnison (Colo.) Geology. Colorado > Black Canyon of the Gunnison.
Online Access:	https://purl.fdlp.gov/GPO/gpo76469

Description
Physical Description:	1 online resource (vii, 76 pages) : illustrations, maps.
Bibliography:	Includes bibliographical references (pages 75-76).