Geology of the igneous rocks of the Spanish Peaks region, Colorado /

Bibliographic Details
Main Author:	Johnson, Ross B., 1919-
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1968.
Series:	Shorter contributions to general geology. Geological Survey professional paper ; 594-G.
Subjects:	Igneous rocks. Petrology > Colorado > Spanish Peaks Region. Geology > Colorado > Spanish Peaks Region.

Description
Physical Description:	vi, 47 pages : illustrations, folded color map (in pocket) ; 29 cm.
Bibliography:	Bibliography: pages 37-38.