TY  - BOOK
AU  - Rodríguez-Martínez,Jesús
AU  - Scharlach,Richard A.
AU  - 
TI  - Geologic and hydrologic data collected at test holes NC-1 and NC-3, Guaynabo and San Juan, eastern Puerto Rico
T2  - Open-file report (U.S. Geological Survey)
PY  - 1991///
CY  - San Juan, P.R.
PB  - Geological Survey
KW  - Geology
KW  - Puerto Rico
KW  - Guaynabo
KW  - Local
KW  - Hydrology
KW  - San Juan
ER  -