@misc{indiciae8e235210debc,
  title = {Climatic implications of two pollen analyses from newly recognized rocks of latest Pliocene age in the Washburn Range, Yellowstone National Park, Wyoming},
  author = {Gerald Martin Richmond and W. Mullenders and Mady Coremans},
  year = {1978},
  doi = {10.3133/b1455},
  url = {https://pubs.usgs.gov/publication/b1455},
  note = {Source identifier: b1455}
}