TY  - RPRT
TI  - Ground-water levels and chloride concentrations in alluvial aquifers on the south coast of Puerto Rico, February 1980
AU  - Hector Colon-Ramos
AU  - Eloy Colon-Dieppa
PY  - 1981
DO  - 10.3133/ofr81626
UR  - https://pubs.usgs.gov/publication/ofr81626
ID  - ofr81626
ER  -