@misc{indiciaee8a4e165e89e,
  title = {Drill cores and crushed samples of oil shale stored in the Anvil Points Mine},
  author = {J. R. Dyni and J. R. Donnell},
  year = {1998},
  doi = {10.3133/ofr9845},
  url = {https://pubs.usgs.gov/publication/ofr9845},
  note = {Source identifier: ofr9845}
}