@misc{indiciae2e6e441f7007,
  title = {Stratigraphy and depositional environments of the late Campanian coal-bearing Neslen/Mount Garfield formations, eastern Book Cliffs, Utah and Colorado},
  author = {M.A. Kirschbaum and R. D. Hettinger},
  year = {1998},
  doi = {10.3133/ofr9843},
  url = {https://pubs.usgs.gov/publication/ofr9843},
  note = {Source identifier: ofr9843}
}