00656cam a22002291a 4500 agr50000642 DLC 20260227111014.0 850417s1950 dcu f000 0 eng agr50000642 (OCoLC)11930143 DLC IMolD DLC premarc HD9049.H3 U52 1949c United States. Production and Marketing Administration. Handbook of official hay and straw standards. Revised effective July 1, 1949. Washington : U.S. Govt. Print. Off., 1950. ii, 55 p. ; 15 cm. Hay. Straw. 11231 11231