@misc{indiciae28751b078d55,
  title = {Water quality at basic fixed sites in the Upper Colorado River basin National Water-Quality Assessment study unit, October 1995-September 1998},
  author = {Norman E. Spahr and Robert W. Boulger and Richard J. Szmajter},
  year = {2000},
  doi = {10.3133/wri994223},
  url = {https://pubs.usgs.gov/publication/wri994223},
  note = {Source identifier: wri994223}
}