@misc{indiciaeb541d9de0dab,
  title = {Geologic map and coal sections of the Lay Se Quadrangle, Moffat County, Colorado},
  author = {Michael E. Brownfield and Kevin Anderson},
  year = {1988},
  doi = {10.3133/coal117},
  url = {https://pubs.usgs.gov/publication/coal117},
  note = {Source identifier: coal117}
}