Drainage of agricultural land : a practical handbook for the planning, design, construction, and maintenance of agricultural drainage systems
Port Washington, N.Y.
Water Information Center
c1973
]10[, 430 p. : ill. ; 26 cm
"Reproduced ... from section 16--drainage of agricultural land of the national engineering handbook ... issued in 1971 by the Soil Conservation Service, U.S. Department of Agriculture."