01116cam a22003131a 4500 agr64000226 DLC 20260227111023.0 800820s1964 dcua b f000 0 eng c agr64000226 (OCoLC)6637975 U.S. Nat'l Agr. Library. GAuA DNAL DLC premarc n-us--- HD1761 .C46 A281.9 Ag83 no.76 E100 E130 Christensen, Raymond P. (Raymond Peter), 1914- How the United States improved its agriculture / [by Raymond P. Christensen, William E. Hendrix, and Robert D. Stevens]. Washington, D.C. : Development and Trade Analysis Division, Economic Research Service, U.S. Dept. of Agriculture, 1964. iv, 32 p. : ill. ; 26 cm. ERS-foreign ; 76 Cover title. "Literature cited": p. 31-32. Agriculture Economic aspects United States. Agriculture and state United States. Hendrix, William E. Stevens, Robert D. 11930 11930