Lutgens, Frederick K. Essentials of geology / Frederick K. Lutgens, Edward J. Tarbuck. - 2nd ed. - Columbus, Ohio : C.E. Merrill Pub. Co., c1986. - vi, 346 p. : ill. (some col.) ; 26 cm. Includes index. ISBN: 067520464X (pbk.) LCCN: 85061319 Subjects--Topical Terms: Geology. LC Class. No.: QE26.2 / .L87 1986 Dewey Class. No.: 550