@misc{indiciaeffcfea620017,
  title = {Illustrations of plant microfossils from the Morrison Formation; II, plant microfossils from the Westwater Canyon Member},
  author = {Robert H. Tschudy and Bernadine D. Tschudy and S. Van Loenen},
  year = {1981},
  doi = {10.3133/ofr811154},
  url = {https://pubs.usgs.gov/publication/ofr811154},
  note = {Source identifier: ofr811154}
}