@misc{indiciae81ed8b865262,
  title = {Geology and water resources of the Bitterroot Valley, southwestern Montana, with a section on chemical quality of water},
  author = {R. G. McMurtrey and Richard L. Konizeski and M. V. Johnson and John H. Bartells and H. A. Swenson},
  year = {1972},
  doi = {10.3133/wsp1889},
  url = {https://pubs.usgs.gov/publication/wsp1889},
  note = {Source identifier: wsp1889}
}