Report of the Geological Exploration of the Fortieth Parallel, made by order of the Secretary of War according to acts of Congress of March 2, 1867, and ... of A. A. Humphreys by Clarence King.
Subtitle: Vol. 7
Publisher: Scholarly Publishing Office, University of Michigan Library
Published: December 20, 2005
Language: eng
Format: Paperback
Number of pages: 350
ISBN-13: 9781425531041
Subjects: History / United States / General
First sentence: Former examinations of the microscopical structure of rocks which are not clastic have established the existence of certain large and well-defined groups.