United States, . Ministry of Agriculture
Drainage of agricultural land : a practical handbook for the planning, design, construction, and maintenance of agricultural drainage systems. - New York : Water Information Center, 1973
. - 430 p. : il. ; 25 cm
0912394064
Drenagem agrícola /
P11-1
Drainage of agricultural land : a practical handbook for the planning, design, construction, and maintenance of agricultural drainage systems. - New York : Water Information Center, 1973
. - 430 p. : il. ; 25 cm
0912394064
Drenagem agrícola /
P11-1