@misc{indiciae44a92788865d,
  title = {Water-resources investigations of the U.S. Geological Survey in Montana, October 1980 through September 1981},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1981},
  doi = {10.3133/ofr81817},
  url = {https://pubs.usgs.gov/publication/ofr81817},
  note = {Source identifier: ofr81817}
}