@misc{indiciae7f1f39efca33,
  title = {Status of groundwater quality in the Upper Santa Ana Watershed, November 2006--March 2007--California GAMA Priority Basin Project},
  author = {Robert Kent and Kenneth Belitz},
  year = {2012},
  doi = {10.3133/sir20125052},
  url = {https://pubs.usgs.gov/publication/sir20125052},
  note = {Source identifier: sir20125052}
}