Gilluly, James, 1896- Principles of geology / by James Gilluly, A. C. Waters [and] A. O. Woodford ; drawings by Robert R. Compton and Evan L. Gillespie - San Francisco : W.H. Freeman, c1951 - viii, 631 p. : ill. ; 22 cm. - A Series of geology texts . Includes index ISBN: USD 5.75 Subjects--Topical Terms: Geology Dewey Class. No.: 550