@misc{indiciae8dd91628cd6e,
  title = {Geochemical analyses of rock and stream-sediment samples from Bald Rock, Bucks Lake, Chips Creek, and Middle Fork Feather River Roadless Areas, Butte and Plumas Counties, California},
  author = {M. L. Sorensen and Henry Pietropaoli and J.A. Peterson},
  year = {1982},
  doi = {10.3133/ofr82776},
  url = {https://pubs.usgs.gov/publication/ofr82776},
  note = {Source identifier: ofr82776}
}