@misc{indiciae62833bef75d0,
  title = {Geologic map of the Crystal Peak caldera, west-central Utah},
  author = {T. A. Steven},
  year = {1989},
  doi = {10.3133/i2002},
  url = {https://pubs.usgs.gov/publication/i2002},
  note = {Source identifier: i2002}
}