@misc{indiciae506472978cf7,
  title = {Bedrock geologic map and coal sections in the Buffalo 30' x 60' Quadrangle, Johnson and Campbell counties, Wyoming},
  author = {E. N. Hinrichs and B.H. Kent and F. W. Pierce},
  year = {1990},
  doi = {10.3133/i1923a},
  url = {https://pubs.usgs.gov/publication/i1923A},
  note = {Source identifier: i1923A}
}