@misc{indiciae6f319f0860ab,
  title = {Revised stratigraphic nomenclature for the Wasatch and Green River Formations of Eocene age, Wyoming, Utah, and Colorado},
  author = {H. W. Roehler},
  year = {1991},
  doi = {10.3133/pp1506b},
  url = {https://pubs.usgs.gov/publication/pp1506B},
  note = {Source identifier: pp1506B}
}