@misc{indiciae2a689b20fb8e,
  title = {Hydrology of Area 43, northern Great Plains and Rocky Mountain coal provinces},
  author = {John H. Lambing},
  year = {1987},
  doi = {10.3133/ofr8588},
  url = {https://pubs.usgs.gov/publication/ofr8588},
  note = {Source identifier: ofr8588}
}