@misc{indiciae98d7bc7a61ef,
  title = {Volcanic stratigraphy of the Quaternary rhyolite plateau in Yellowstone National Park},
  author = {Robert L. Christiansen and H. Richard Blank},
  year = {1972},
  doi = {10.3133/pp729b},
  url = {https://pubs.usgs.gov/publication/pp729B},
  note = {Source identifier: pp729B}
}