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Published
Washington D.C. : U.S. Dept. of Agriculture, Economics, Statistics, and Cooperatives Service, 1978.
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Published
Washington, D.C. : Agricultural Research Service, United States Department of Agriculture, 1957.
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online