@misc{indiciae9f81e8afcb17,
  title = {Ground-water data for San Nicolas Island, California, 1989-90},
  author = {Lowell F. W. Duell and Charles A. Kaehler},
  year = {1991},
  doi = {10.3133/ofr91197},
  url = {https://pubs.usgs.gov/publication/ofr91197},
  note = {Source identifier: ofr91197}
}