@misc{indiciae7de63b29c5f4,
  title = {Ground water in the San Joaquin Valley, California},
  author = {Fred Kunkel and Walter Hofman},
  year = {1966},
  doi = {10.3133/ofr6675},
  url = {https://pubs.usgs.gov/publication/ofr6675},
  note = {Source identifier: ofr6675}
}