@misc{indiciae4645667440fc,
  title = {A plan to study the aquifer system of the Central Valley of California},
  author = {Gilbert L. Bertoldi},
  year = {1979},
  doi = {10.3133/ofr791480},
  url = {https://pubs.usgs.gov/publication/ofr791480},
  note = {Source identifier: ofr791480}
}