written and produced by U.S. Department of the Interior, Bureau of Reclamation, North Dakota Agricultural College, South Dakota State College and the U.S.D.A. Agricultural Research Service. Directed by Charles A. Knell.

We digitized and uploaded this film on behalf of the Prelinger Archives. Email us at footage@avgeeks.com if you have questions about the footage and are interested in using it in your project. Buy this film on DVD.

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