@misc{indiciaebba3b9d8f73f,
  title = {U.S. Virgin Islands ground-water quality},
  author = {A. L. Zack and Teresita Rodrigues-Alonso and Angel Roman-Mas},
  year = {1987},
  doi = {10.3133/ofr87756},
  url = {https://pubs.usgs.gov/publication/ofr87756},
  note = {Source identifier: ofr87756}
}