@misc{indiciae813c551566c1,
  title = {Water resources summary for southern California, 1956},
  author = {Walter Hofmann and W. C. Peterson},
  year = {1957},
  doi = {10.3133/cir399},
  url = {https://pubs.usgs.gov/publication/cir399},
  note = {Source identifier: cir399}
}