@misc{indiciae7072394ac0ed,
  title = {Geology of the Whitehorse Caldera and caldera-fill deposits, Malheur County, Oregon},
  author = {James J. Rytuba and S.A. Minor and Edwin H. McKee},
  year = {1981},
  doi = {10.3133/ofr811092},
  url = {https://pubs.usgs.gov/publication/ofr811092},
  note = {Source identifier: ofr811092}
}