@misc{indiciaec4cef3a6deed,
  title = {Geologic maps of Medicine Butte, Broncho, Golden Valley, Beulah, Stanton, and Hazen quadrangles, North Dakota},
  author = {William Edward Barnes Benson},
  year = {1951},
  doi = {10.3133/ofr5122},
  url = {https://pubs.usgs.gov/publication/ofr5122},
  note = {Source identifier: ofr5122}
}