TY  - RPRT
TI  - Use of surface-geophysical techniques for ground-water exploration in the Canovanas-Rio Grande area, Puerto Rico
AU  - Arturo Torres-Gonzalez
PY  - 1985
DO  - 10.3133/wri834266
UR  - https://pubs.usgs.gov/publication/wri834266
ID  - wri834266
ER  -