The surface of the earth / Arthur L. Bloom. Bloom, Arthur L. (Arthur Leroy), 1928- Geomorphology. GB53 .B56 551.4 BLS Includes bibliographical references and index Englewood Cliffs, N.J. : Prentice-Hall, 1969. 1969. 1969 Text viii, 152 p. : eng Foundations of earth science series