@misc{indiciae13e43222570f,
  title = {Geologic map and coal sections of the Buffalo Run Creek Quadrangle, Sheridan County, Wyoming},
  author = {W. J. Mapel and M.D. Malahy},
  year = {1976},
  doi = {10.3133/mf792},
  url = {https://pubs.usgs.gov/publication/mf792},
  note = {Source identifier: mf792}
}