@misc{indiciae96bf3306425f,
  title = {What affects water quality in the Upper Colorado River basin?},
  author = {Lori Estelle Apodaca and Verlin C. Stephens and Nancy E. Driver},
  year = {1996},
  doi = {10.3133/fs10996},
  url = {https://pubs.usgs.gov/publication/fs10996},
  note = {Source identifier: fs10996}
}