Foster, Robert J. Geology / Robert J. Foster. - 5th ed. - Columbus, Ohio Charles E. Merrill Pub. Co. c1985. - iv, 190 p. : ill. ; 26 cm. - Merrill earth science series . Includes bibliographies and index. ISBN: 0675204143 (pbk.) Subjects--Topical Terms: Geology. Dewey Class. No.: Cir 550 F81 1985