@misc{indiciaeb5af0649cd75,
  title = {Base of fresh ground water approximately 3,000 micromhos in the Sacramento Valley and Sacramento-San Joaquin Delta, California},
  author = {Charles F. Berkstresser},
  year = {1973},
  doi = {10.3133/wri7340},
  url = {https://pubs.usgs.gov/publication/wri7340},
  note = {Source identifier: wri7340}
}