@misc{indiciaeab11925f6aca,
  title = {Mineral resources of the Pit River Canyon Wilderness Study Area, Lassen County, California},
  author = {Maureen G. Sherlock and Harry W. Campbell},
  year = {1986},
  doi = {10.3133/b1706e},
  url = {https://pubs.usgs.gov/publication/b1706E},
  note = {Source identifier: b1706E}
}