@misc{indiciae2d1e38fbc341,
  title = {Geologic map of the Mount Bachelor volcanic chain and surrounding area, Cascade Range, Oregon},
  author = {W. E. Scott and C. A. Gardner},
  year = {1992},
  doi = {10.3133/i1967},
  url = {https://pubs.usgs.gov/publication/i1967},
  note = {Source identifier: i1967}
}