@misc{indiciaec8f57eec1471,
  title = {Montana},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1999},
  doi = {10.3133/fs02799},
  url = {https://pubs.usgs.gov/publication/fs02799},
  note = {Source identifier: fs02799}
}