@misc{indiciae08589b5c2f50,
  title = {Depositional aspects and a guide to Paleocene coal-bearing sequences, Powder River Basin},
  author = {Romeo M. Flores and Peter D. Warwick and Timothy A. Moore},
  year = {1989},
  doi = {10.1029/ft132p0001},
  url = {https://pubs.usgs.gov/publication/70195529},
  note = {Source identifier: 70195529}
}