World regional geography / by Oliver H. Heintzelman and Richard M. Highsmith, Jr. Heintzelman, Oliver H. (Oliver Harry), 1909-1986. Highsmith, Richard Morgan, 1920- joint author. Physical geography. GB56 .H4 1963 910 HEW Includes bibliographical references and index. Englewood Cliffs, N.J. : Prentice-Hall , c1961 . c1961 . 1961 Text xiii, 391 p. : eng