Geomorphology / Richard J. Chorley, Stanley A. Schumm, David E. Sugden. Chorley, Richard J. Schumm, Stanley Alfred, 1927- Sugden, David E. Geomorphology. GB401.5 .C5 1985 551.4 19 C551 g Includes bibliographical references and index. London ; New York : Methuen, 1985, c1984. 1985, c1984. 1985 Text xxiii, 605 p., [20] p. of plates : eng