@misc{indiciae1a91571a03bf,
  title = {Geohydrology of the Aguirre and Pozo Hondo areas, southern Puerto Rico},
  author = {R. P. Graves},
  year = {1992},
  doi = {10.3133/wri914124},
  url = {https://pubs.usgs.gov/publication/wri914124},
  note = {Source identifier: wri914124}
}