TY  - BOOK
AU  - Gibson, Ulric P.
AU  - Singer, Rexford D.
TI  - Water well manual: : a practical guide for locating and constructing wells for individual and small comunity water supplies
T2  - Fotocopia
U1  - 631.71 
PY  - 1971///
CY  - Berkeley, Cal.
PB  - Premier Press
KW  - Agua subterranea
KW  - Agua
KW  - Abastecimiento
KW  - Pozos
N1  - 26-60
ER  -