@misc{indiciae95b89760757b,
  title = {Mercury contamination from historical gold mining in California},
  author = {Charles N. Alpers and Michael P. Hunerlach and Jason T. May and Roger L. Hothem},
  year = {2005},
  doi = {10.3133/fs20053014},
  url = {https://pubs.usgs.gov/publication/fs20053014},
  note = {Source identifier: fs20053014}
}