Gilluly, James 1896-1980. Principles Of Geology / [by] James Gilluly ; Aaron C. Waters [and] A. O. Woodford - 3d ed. - San Francisco : W. H. Freeman, C1968. - 687 p. : ill. ; 26 cm. - A Series of books in geology . Includes bibliographies & Index. Subjects--Topical Terms: Geology. Dewey Class. No.: 550 / GIP 1968