Geology principles and processes William H. Emmons...(et. al.) - 5th ed. - New York McGraw-Hill 1960 - viii, 491 p. : ill. ; 24 cm. First ed. by W. H. Emmons published in 1932 under title: Geology. Includes bibliographies. LCCN: 60-8024 Subjects--Topical Terms: Physical geology