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  1. Soil, forest, and water conservation and reclamation in China, Israel, Africa, and the United States : Forward by Senator Carl Hayden; introduction by Malca Chall; interviews conducted by Malca Chall : The Bancroft Library, Regional Oral History Office,
    By: Lowdermilk, W. C. (Walter Clay), - Chall, Malca. - Hayden, Carl Trumbull,
    Publication info: Berkeley, Calif. :University of California,c1969.
    Contributed by: University of California Libraries (
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