@misc{indiciae6b6456440b45,
  title = {Hydrochemistry of the South Coastal Plain Aquifer System of Puerto Rico and its relation to surface-water recharge},
  author = {Fernando Gomez-Gomez},
  year = {1990},
  url = {https://pubs.usgs.gov/publication/70171297},
  note = {Source identifier: 70171297}
}