@misc{indiciae88b90725136e,
  title = {Estimated decreases in dissolved-solids loads in four tributaries to the Colorado River in the Grand Valley, Colorado, 1973-96},
  author = {David L. Butler},
  year = {1998},
  doi = {10.3133/fs15997},
  url = {https://pubs.usgs.gov/publication/fs15997},
  note = {Source identifier: fs15997}
}