@misc{indiciaee4d62de8aec8,
  title = {Geology and water-yielding characteristics of rocks of the northern Powder River Basin, southeastern Montana},
  author = {Barney D. Lewis and R.S. Roberts},
  year = {1977},
  doi = {10.3133/ofr7775},
  url = {https://pubs.usgs.gov/publication/ofr7775},
  note = {Source identifier: ofr7775}
}