@misc{indiciaea30a22d8174f,
  title = {Evaluation of water-quality monitoring in the Orange County Water District, California},
  author = {J. A. Moreland and J.A. Singer},
  year = {1969},
  doi = {10.3133/ofr69175},
  url = {https://pubs.usgs.gov/publication/ofr69175},
  note = {Source identifier: ofr69175}
}