@misc{indiciae99c199c39d80,
  title = {Occurrence of ground water in the Judith River Formation, north-central Montana},
  author = {W. R. Osterkamp},
  year = {1968},
  doi = {10.3133/ha308},
  url = {https://pubs.usgs.gov/publication/ha308},
  note = {Source identifier: ha308}
}