(Plant Industry, Soils, and Agricultural Engineering Bureau, Human Nutrition and Home Economics Bureau.) [Prepared in cooperation with extension services and agricultural engineering departments of State agricultural colleges.]
Notes:
(Plant Industry, Soils, and Agricultural Engineering Bureau, Human Nutrition and Home Economics Bureau.) [Prepared in cooperation with extension services and agricultural engineering departments of State agricultural colleges.] • Sent to Depository Libraries. Item 12
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* For Sale by Superintendent of Documents. Paper, 5c. and • Sent to Depository Libraries. Item 12