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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Goldberg, Dan. - Gornat, Baruch. - United States. Agricultural Research Service. Soil and Water Conservation Research Division.
    Publication info: Rehovot, U.S. Dept. of Agriculture, Agricultural Research Service, Soil & Water Conservation Research Division, 1967
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library