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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hedrick, James L. - Tolley, George S., - Back, W. B. (William Burl),
    Publication info: Washington, D.C, Economic Research Service, U.S. Dept. of Agriculture in cooperation with North Carolina Agriculture Experiment Station, 1968
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library