by Newell, Frederick Haynes
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Water resources, present and future uses
Irrigation in the United States
Engineering as a career
The arid regions of the United States
Irrigation revival
Descendants of Walter Haynes and Peter N...
Laws, etc
Sixteenth census of the United States
The Boy Who Harnessed the Wind
Energy and U.S. Agriculture
Drinking water
Fifteenth census of the United States