@misc{indiciae453a3a28a96b,
  title = {Water-quality characteristics and trend analyses for the Tongue, Powder, Cheyenne, and Belle Fourche River drainage basins, Wyoming and Montana, for selected periods, water years 1991 through 2010},
  author = {Melanie L. Clark},
  year = {2012},
  doi = {10.3133/sir20125117},
  url = {https://pubs.usgs.gov/publication/sir20125117},
  note = {Source identifier: sir20125117}
}