@misc{indiciae79c1c996e3c3,
  title = {After a century: Revised Paleogene coal stratigraphy, correlation, and deposition, Powder River Basin, Wyoming and Montana},
  author = {Romeo M. Flores and Brianne D. Spear and Scott A. Kinney and Peter A. Purchase and Craig M. Gallagher},
  year = {2010},
  doi = {10.3133/pp1777},
  url = {https://pubs.usgs.gov/publication/pp1777},
  note = {Source identifier: pp1777}
}