TY  - BOOK
AU  - Saveson,Irwin L.
TI  - Surface drainage of flatlands
T2  - [United States. Dept. of Agriculture] Miscellaneous publication
AV  - S21.A46 no. 1062 
PY  - 1967///]
CY  - Washington]
PB  - Agricultural Research Service, U.S. Dept. of Agriculture
KW  - Drainage
ER  -