@misc{indiciaec7c6b2a2f3c5,
  title = {The Quaternary and Pliocene Yellowstone Plateau volcanic field of Wyoming, Idaho, and Montana},
  author = {Robert L. Christiansen},
  year = {2001},
  doi = {10.3133/pp729g},
  url = {https://pubs.usgs.gov/publication/pp729G},
  note = {Source identifier: pp729G}
}