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Drainage district assessments : a study of present practices in assessing benefits under the state drainage laws

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By: Boyd, George R. (George Ray), - Hart, R. A. (Richard Ambrose),

Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1924

Holding Institution: U.S. Department of Agriculture, National Agricultural Library
The drainage of irrigated land

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By: Hart, R. A. (Richard Ambrose),

Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1915

Holding Institution: U.S. Department of Agriculture, National Agricultural Library