TY  - BOOK
AU  - Environmental protection, Agency
TI  - Devloping water supply criteria in the U S
U1  - 333.91 
PY  - 1983///
CY  - Wasgungtib D C
PB  - Office water regualtions and standard
KW  - Aqyatuc resources
KW  - Conservation
KW  - Environment
KW  - Pollution
ER  -