@misc{indiciae38a1a085be89,
  title = {Geochemistry of water in aquifers and confining units of the Northern Great Plains in parts of Montana, North Dakota, South Dakota, and Wyoming},
  author = {J.F. Busby and B. A. Kimball and J. S. Downey and K. D. Peter},
  year = {1995},
  doi = {10.3133/pp1402f},
  url = {https://pubs.usgs.gov/publication/pp1402F},
  note = {Source identifier: pp1402F}
}