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Relations between crop yields and precipitation in Great Plains area.

Bibliographic Details
Corporate Author:	United States. Department of Agriculture. Office of the Secretary
Format:	Government Document eBook
Language:	English
Published:	Washington : U.S. GPO, 1927.
Series:	Agric. Dept. New Series Misc. Circ. No. 81
Subjects:	Agricultural experiment stations. Agricultural productivity. Middle West. Electronic books.
Online Access:	Connect to the full text of this electronic document

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