TY  - RPRT
TI  - Reconnaissance of ground-water quality throughout Puerto Rico, September-October, 1981
AU  - Fernando Gómez-Gómez
AU  - Senen Guzman-Rios
PY  - 1982
DO  - 10.3133/ofr82332
UR  - https://pubs.usgs.gov/publication/ofr82332
ID  - ofr82332
ER  -