@misc{indiciae80949ee39bef,
  title = {Seawater intrusion, south coast of Puerto Rico, 1966-77},
  author = {Jose Raul Diaz},
  year = {1979},
  doi = {10.3133/ofr791334},
  url = {https://pubs.usgs.gov/publication/ofr791334},
  note = {Source identifier: ofr791334}
}