@misc{indiciaed9bba2919688,
  title = {Ground-water geology of the coastal zone, Long Beach-Santa Ana area, California},
  author = {J. F. Poland and A. M. Piper},
  year = {1956},
  doi = {10.3133/wsp1109},
  url = {https://pubs.usgs.gov/publication/wsp1109},
  note = {Source identifier: wsp1109}
}