@misc{indiciae836e51ceaef8,
  title = {Geohydrology and chemical quality of ground water, San Bernardino National Wildlife Refuge, Arizona},
  author = {S.A. Longsworth},
  year = {1991},
  doi = {10.3133/wri904190},
  url = {https://pubs.usgs.gov/publication/wri904190},
  note = {Source identifier: wri904190}
}