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Ask a question or Order this book Browse our books Search our books Book dealer info | MACY, LORING K. ; ARNOLD, LLOYD E. ; MCKIBBEN, EUGENE G.; WORKS PROGRESS ADMINISTRATION NATIONAL RESEARCH PROJECT. Changes in Technology and Labor Requirements in Crop Production: Corn: by Loring K. Macy, Lloyd E. Arnold, and Eugene G. McKibben. Works Progress Administration, National Research Project.National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques. Studies of changing techniques and employment in agriculture. [Report no. A-5 Philadelphia, Pa, NP, 1938. Octavo in blue printed wrappers; xviii, 181 p. incl. front. illus. (incl. maps) tables, diagrs. 26 cm. . Paperback. . oem glue repair to spien; else overall tight, clean and Very Good+, Employment; WPA; Corn -- United States. Agricultural laborers -- United States. Farm mechanization -- United States. Offered for US$ 18.00 by: Calvello Books - Book number: 7783 See more books from our catalog: Plants | |||