@misc{indiciae02ef1dbb8807,
  title = {Selected drill-stem-test data from the Northern Great Plains area of Montana},
  author = {Gary W. Levings},
  year = {1981},
  doi = {10.3133/ofr81326},
  url = {https://pubs.usgs.gov/publication/ofr81326},
  note = {Source identifier: ofr81326}
}