TY  - BOOK
AU  - U S Environmental Protection Agency
TI  - Managing irrigated agriculture to improve water quality
U1  - 631.706 
PY  - 1972///
CY  - Washington
PB  - U S Environmental Protection Agency
N1  - U S Environmental Protection Agency: Managing irrigated agriculture to improve water quality.  Washington.  U S Environmental Protection Agency, 1972.--(631.706U S)
ER  -