@misc{indiciae0134a4f27d0b,
  title = {Selective annotated bibliography of geology and ground-water resources for the Montana part of the Northern Great Plains regional aquifer-system analysis},
  author = {Julianne F. Levings and G. W. Levings and R.D. Feltis and W. R. Hotchkiss and R. W. Lee},
  year = {1981},
  doi = {10.3133/ofr81401},
  url = {https://pubs.usgs.gov/publication/ofr81401},
  note = {Source identifier: ofr81401}
}