@misc{indiciae1668c81c6984,
  title = {Ground Water Atlas of the United States: Segment 8, Montana, North Dakota, South Dakota, Wyoming},
  author = {R.L. Whitehead},
  year = {1996},
  doi = {10.3133/ha730i},
  url = {https://pubs.usgs.gov/publication/ha730I},
  note = {Source identifier: ha730I}
}