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MLA

Hastings, Stephen H. Irrigated crop rotation in western Nebraska, 1912-34 . U.S. Dept. of Agriculture, 1936.

APA

Hastings, Stephen H. (1936). Irrigated crop rotation in western Nebraska, 1912-34. U.S. Dept. of Agriculture.

Chicago

Hastings, Stephen H. Irrigated crop rotation in western Nebraska, 1912-34 . U.S. Dept. of Agriculture, 1936.