00833cam a22002531 4500 agr50000590 DLC 20260227111014.0 750508s1950 iauabc b s000 0 eng c agr50000590 (OCoLC)1319498 U.S. Dept. of Agr. Libr. FM OCoLC DLC premarc SB109 .K56 631.524 Klose, Nelson, 1914- America's crop heritage; the history of foreign plant introduction by the Federal Government. Ames, Iowa State College Press [1950] x, 156 p. illus., ports., maps. 24 cm. Includes bibliographies. Plant introduction. Agriculture United States History. Foreign plant introduction by the Federal Government. 11229 11229