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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Howell, Joseph. - Borell, Adrey E. (Adrey Edwin), - Taylor, T. G. - United States. Soil Conservation Service. Region 8.
    Publication info: Albuquerque, N.M, U.S. Dept. of Agriculture, Soil Conservation Service, Region Eight, 1938
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library