Official Grain Standards of the United States: Standards for Wheat, Effective June 15, 1957; Corn, Effective October 1, 1959; Barley, Effective July 1, 1960; Oats, Effective June 1, 1959; Rye, Effective July 1, 1951; Grain Sorghums and Flax-Seed, Effectiv
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Official Grain Standards of the United States: Standards for Wheat, Effective June 15, 1957; Corn, Effective October 1, 1959; Barley, Effective July 1, 1960; Oats, Effective June 1, 1959; Rye, Effective July 1, 1951; Grain Sorghums and Flax-Seed, Effectiv
