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By: Hedrick, James L. - Tolley, George S., - Back, W. B. (William Burl),Edition:Publication info: Washington, D.C, Economic Research Service, U.S. Dept. of Agriculture in cooperation with North Carolina Agriculture Experiment Station, 1968Volume: no.379Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: