@misc{indiciaea86c2ab82169,
  title = {Triennial changes in groundwater quality in aquifers used for public supply in California: Utility as indicators of temporal trends},
  author = {Robert H. Kent and Matthew K. Landon},
  year = {2016},
  doi = {10.1007/s10661-016-5618-3},
  url = {https://pubs.usgs.gov/publication/70176864},
  note = {Source identifier: 70176864}
}