@misc{indiciae9b393e1597b2,
  title = {Water Resources Data, Puerto Rico and the U.S. Virgin Islands, Water Year 1999},
  author = {Pedro L. Diaz and Zaida Aquino and Carlos Figueroa-Alamo and Ricardo J. Vachier and Ana V. Sanchez},
  year = {2000},
  doi = {10.3133/wdrpr991},
  url = {https://pubs.usgs.gov/publication/wdrPR991},
  note = {Source identifier: wdrPR991}
}