@misc{indiciae49839ea3e239,
  title = {Changes in quality of ground water in the Lincoln area, Montana, 1974-79},
  author = {Robert B. Leonard and Wayne A. Wood and Arnold J. Boettcher},
  year = {1981},
  doi = {10.3133/ofr801108},
  url = {https://pubs.usgs.gov/publication/ofr801108},
  note = {Source identifier: ofr801108}
}