@misc{indiciaeed17335757bd,
  title = {Geologic map and coal sections of the Browns Mountain Quadrangle, Montana},
  author = {W.C. Culbertson and M.C. Klett},
  year = {1976},
  doi = {10.3133/mf814},
  url = {https://pubs.usgs.gov/publication/mf814},
  note = {Source identifier: mf814}
}