TY  - BOOK
AU  - Alth,Max
AU  - Alth,Charlotte
AU  - Duncan, S. Blackwell.
TI  - Wells and septic systems
SN  - 0830621369
AV  - TA405 .A536 1991
U1  - 628.1 22nd ed.
PY  - 1992///
CY  - Blue Ridge Summit, P.A
PB  - Tab Books
KW  - Wells
KW  - Design and construction
KW  - Maintenance and repair
KW  - Septic tanks
N1  - Includes index
ER  -