Geology and petrology of the San Juan region, southwestern Colorado /

Bibliographic Details
Main Authors:	Larsen, Esper S. (Esper Signius), 1879-1961 (Author), Cross, Whitman, 1854-1949 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington : United States Department of the Interior, Geological Survey, 1956.
Series:	Geological Survey professional paper ; 258.
Subjects:	Geology > Colorado. Petrology > Colorado. San Juan Mountains (Colo. and N.M.) Geology. Petrology. Colorado. United States > San Juan Mountains.
Online Access:	https://purl.fdlp.gov/GPO/gpo85362

Description
Item Description:	Title from title screen (viewed September 26, 2014). "A comprehensive geologic and petrologic study of the occurrence and origin of the rocks in an area of 12,000 square miles in southwestern Colorado."
Physical Description:	1 online resource (xiv, 303 pages) : illustrations, maps + 5 plates.
Bibliography:	Includes bibliographical references (pages 297-299) and index.