@misc{indiciae3cb3f18c6fe1,
  title = {Hydrology and water quality of the principal springs in Puerto Rico},
  author = {Senen Guzman-Rios},
  year = {1988},
  doi = {10.3133/wri854269},
  url = {https://pubs.usgs.gov/publication/wri854269},
  note = {Source identifier: wri854269}
}