@misc{indiciae62c1e51b6c9e,
  title = {Geologic map of the pre-Tertiary rocks in the eastern Aldrich Mountains and adjacent areas to the south, Grant County, Oregon},
  author = {C. Erwin Brown and T. P. Thayer},
  year = {1977},
  doi = {10.3133/i1021},
  url = {https://pubs.usgs.gov/publication/i1021},
  note = {Source identifier: i1021}
}