Leet, L. Don Physical geology / L. Don Leet and Sheldon Judson. - 3rd ed. - Englewood Cliffs, N.J. : Prentice-Hall Inc., 1965 - 406 p. : ill., maps. ; 28 cm. Includes bibliographies and index. ISBN: 0136697135 LCCN: 70102280 Subjects--Topical Terms: Geology. Dewey Class. No.: 551 / LEP