@misc{indiciaee9da6ede7427,
  title = {Extent, magnitude, and sources of nitrate in the Flaxville and underlying aquifers, Fort Peck Indian Reservation, northeastern Montana},
  author = {D. A. Nimick and J.N. Thamke},
  year = {1998},
  doi = {10.3133/wri984079},
  url = {https://pubs.usgs.gov/publication/wri984079},
  note = {Source identifier: wri984079}
}