@misc{indiciaee4e7d1e8860b,
  title = {Geologic map and coal deposits of the western part of Ninemile Gap quadrangle and the southern part of Axial quadrangle, Moffat and Rio Blanco Counties, Colorado},
  author = {Constance J. Nutt},
  year = {1980},
  doi = {10.3133/ofr8112},
  url = {https://pubs.usgs.gov/publication/ofr8112},
  note = {Source identifier: ofr8112}
}