@misc{indiciaeaa0318d15a58,
  title = {Annotated bibliography of potential oil shales of the Western United States exclusive of the Green River Formation},
  author = {L.J. Schmitt},
  year = {1987},
  doi = {10.3133/ofr87628},
  url = {https://pubs.usgs.gov/publication/ofr87628},
  note = {Source identifier: ofr87628}
}