@misc{indiciaeb198f2b7b62e,
  title = {Shallow ground water in selected areas in the Fort Union coal region},
  author = {U.S. Northern Great Plains Resources Programs Ground-water Subgroup},
  year = {1974},
  doi = {10.3133/ofr74371},
  url = {https://pubs.usgs.gov/publication/ofr74371},
  note = {Source identifier: ofr74371}
}