TY  - RPRT
TI  - Reconnaissance of the ground-water resources of Vieques Island, Puerto Rico
AU  - Sigfredo Torres-Gonzalez
PY  - 1989
DO  - 10.3133/wri864100
UR  - https://pubs.usgs.gov/publication/wri864100
ID  - wri864100
ER  -