Outlines for 4-H club grain grading demonstrations - Combs, Willis B. (Willis Becker), 1894-; Jacobs, A. W. (Washington, D.C. : U.S. Dept. of Agriculture, 1954)
"Supersedes Miscellaneous extension publication no. 62, 4-H grain grading demonstrations."
Includes bibliographical references.
Keywords: Grain -- Grading; 4-H clubs