@misc{indiciaef43335d20b3a,
  title = {Quality of ground water in agricultural areas of the San Luis Valley, south-central Colorado},
  author = {Patrick Edelmann and David R. Buckles},
  year = {1984},
  doi = {10.3133/wri834281},
  url = {https://pubs.usgs.gov/publication/wri834281},
  note = {Source identifier: wri834281}
}