Davis, Stanley N. Geology : our physical environment / Stanley N. Davis, Paul H. Reitan and Raymond Pestrong. - New York : McGraw-Hill, c 1976. - viii, 470 p. : ill. ; 24 cm. Includes index. 327 327 ISBN: 0-07-015680-8 Subjects--Topical Terms: Physical geology. Dewey Class. No.: 551 / D237g