Drainage of Agricultural Land. Washington: 1973 430 p. : ill.
Drainage of Agricultural Land. Washington: 1973 430 p. : ill.
(1973) Drainage of Agricultural Land, Washington: 430 p. : ill.
(1973). Drainage of Agricultural Land. A Practical Handbook for the Planning, Design, Construction, and Maintenance of Agricultural Drainage Systems. Washington: 430 p. : ill.
Drainage of Agricultural Land: A Practical Handbook for the Planning, Design, Construction, and Maintenance of Agricultural Drainage Systems. Washington: 1973. p. 430 p. : ill.