TY  - BOOK
AU  - Ward,Porter Elwood
AU  - Truxes,L.S.
TI  - Water wells in Puerto Rico
T2  - Water-Resources Bulletin, no. 3
PY  - 1964///
CY  - Washington, D. C.
PB  - U. S. Geological Survey
KW  - Water, Under ground
KW  - Puerto Rico
KW  - Local
ER  -