@misc{indiciae47913c2bd664,
  title = {Compilation of ground-water level measurements, obtained by the United States Geological Survey in Puerto Rico, 1958-1985},
  author = {Sigfredo Torres-Gonzalez},
  year = {1991},
  doi = {10.3133/ofr88701},
  url = {https://pubs.usgs.gov/publication/ofr88701},
  note = {Source identifier: ofr88701}
}