@misc{indiciae93b7e6a467ef,
  title = {Ground-water resources of the Central Valley of California},
  author = {Gilbert L. Bertoldi},
  year = {1989},
  doi = {10.3133/ofr89251},
  url = {https://pubs.usgs.gov/publication/ofr89251},
  note = {Source identifier: ofr89251}
}