@misc{indiciaeb85aa6247347,
  title = {Geologic map and coal sections of the Sawmill Mountain Quadrangle, Rio Blanco County, Colorado},
  author = {Marith C. Reheis},
  year = {1984},
  doi = {10.3133/coal99},
  url = {https://pubs.usgs.gov/publication/coal99},
  note = {Source identifier: coal99}
}