@misc{indiciae6f7541ec9022,
  title = {National Water-Quality Assessment Program - Mid-Columbia River Basin, Washington and Idaho},
  author = {Gilbert Carl Bortleson},
  year = {1991},
  doi = {10.3133/ofr91164},
  url = {https://pubs.usgs.gov/publication/ofr91164},
  note = {Source identifier: ofr91164}
}