@misc{indiciaeeb46a124c8b4,
  title = {Mercury geochemistry of gold placer tailings, sediments, bedrock, and waters in the lower Clear Creek area, Shasta County, California— Report of investigations, 2001-2003},
  author = {Roger P. Ashley and James J. Rytuba},
  year = {2008},
  doi = {10.3133/ofr20081122},
  url = {https://pubs.usgs.gov/publication/ofr20081122},
  note = {Source identifier: ofr20081122}
}