@misc{indiciae300805a94222,
  title = {National Water-Quality Assessment program; northern Rockies intermontane basins},
  author = {D.W. Clark},
  year = {1994},
  doi = {10.3133/ofr94124},
  url = {https://pubs.usgs.gov/publication/ofr94124},
  note = {Source identifier: ofr94124}
}