TY  - RPRT
TI  - Puerto Rico water-use program : public-supply water use and wastewater disposal during 1990
AU  - Wanda L. Molina-Rivera
PY  - 1996
DO  - 10.3133/fs09896
UR  - https://pubs.usgs.gov/publication/fs09896
ID  - fs09896
ER  -