@misc{indiciaed04beb842cd0,
  title = {Comparison of Water Years 2004-05 and Historical Water-Quality Data, Upper Gunnison River Basin, Colorado},
  author = {Norman E. Spahr and David M. Hartle and Paul Diaz},
  year = {2008},
  doi = {10.3133/ds331},
  url = {https://pubs.usgs.gov/publication/ds331},
  note = {Source identifier: ds331}
}