@misc{indiciae621ba99b637a,
  title = {Hydrology of area 45, northern Great Plains and Rocky Mountain coal provinces, Montana and North Dakota},
  author = {Steven E. Slagle and and others},
  year = {1984},
  doi = {10.3133/ofr83527},
  url = {https://pubs.usgs.gov/publication/ofr83527},
  note = {Source identifier: ofr83527}
}