Griggs, Gary B. creator Gilchrist, John A. text Belmont, Calif Wadsworth Pub. Co,. c1983 2nd ed. monographic xvi, 502 p. : ill. ; 24 cm. Gary B. Griggs, John A. Gilchrist. Includes bibliographies and index. Geology Natural disasters Engineering geology QE33 .G764 1983 550 0534012264 : 82013674 UOEL 000 20171031111257.0 000