@misc{indiciaefbac72aae09b,
  title = {Water quality of selected streams in the coal area of east-central Montana},
  author = {P. W. McKinley},
  year = {1979},
  doi = {10.3133/wri78142},
  url = {https://pubs.usgs.gov/publication/wri78142},
  note = {Source identifier: wri78142}
}