Abstract
Richard L. Hay. Geology of the Olduvai Gorge: A Study of Sedimentation in a Semiarid Basin. Berkeley and Los Angeles: University of California Press, 1976. 300 pp. Illustrations, figures, and index. $22.50 cloth. Charles B. Hunt. Death Valley: Geology, Ecology and Archaeology. Berkeley and Los Angeles: University of California Press, 1975. 246 pp. Illustrations, figures, and index. $14.95 cloth, $6.95 paper.
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