@misc{indiciaef09fdccb3c89,
  title = {Preliminary results on the organic geochemistry of the Oligocene Creede Formation, Colorado},
  author = {Paul G. Lillis},
  year = {2001},
  doi = {10.3133/ofr94260l},
  url = {https://pubs.usgs.gov/publication/ofr94260L},
  note = {Source identifier: ofr94260L}
}