TY  - BOOK
AU  - Hoover, Charles Potter
TI  - WATER SUPPLY AND TREATMENT
U1  - 628.1 
PY  - 1936///
CY  - Washington, D. C.
PB  - National Lime Association
KW  - Water-Supply
KW  - Water -- Purification
KW  - Water -- Softening
ER  -