@misc{indiciae0f4c5e61addf,
  title = {Mercury contamination from historic gold mining in California},
  author = {Charles N. Alpers and Michael P. Hunerlach},
  year = {2000},
  doi = {10.3133/fs06100},
  url = {https://pubs.usgs.gov/publication/fs06100},
  note = {Source identifier: fs06100}
}