@misc{indiciae77369c69d010,
  title = {Trends in concentrations of nitrate and total dissolved solids in public supply wells of the Bunker Hill, Lytle, Rialto, and Colton groundwater subbasins, San Bernardino County, California: Influence of legacy land use},
  author = {Robert Kent and Matthew K. Landon},
  year = {2013},
  doi = {10.1016/j.scitotenv.2013.02.042},
  url = {https://pubs.usgs.gov/publication/70047546},
  note = {Source identifier: 70047546}
}