TY  - BOOK
AU  - Rodríguez-Martínez,Jesús
AU  - Richards,Ronald T.
ED  - Autoridad de Acueductos y Alcantarillados de Puerto Rico.
TI  - Detection of conduit-controlled ground-water flow in northwestern Puerto Rico using aerial photograph interpretation and geophysical methods
U1  - 553.79 21
PY  - 2000///.
CY  - San Juan, P.R., Denver, CO
PB  - U.S. Dept. of the Interior, U.S. Geological Survey, Branch of Information Services [distributor]
KW  - Groundwater flow
KW  - Puerto Rico
KW  - Local
KW  - Aerial photography in hydrogeology
KW  - Geophysics
KW  - Karst
KW  - Puerto Rico.
N1  - Includes bibliographical references and index
ER  -