@misc{indiciae3dac1d8b0f48,
  title = {Field guide to Oligocene-Miocene ash-flows and source calderas in the Great Basin of Nevada},
  author = {D.A. John},
  year = {1994},
  doi = {10.3133/ofr94193},
  url = {https://pubs.usgs.gov/publication/ofr94193},
  note = {Source identifier: ofr94193}
}