@misc{indiciae669ac8070f1e,
  title = {Geochemical studies of mines, dumps, and tailings as sources of contamination, upper Animas River watershed, Colorado},
  author = {J. T. Nash},
  year = {2000},
  doi = {10.3133/ofr00104},
  url = {https://pubs.usgs.gov/publication/ofr00104},
  note = {Source identifier: ofr00104}
}