@misc{indiciae1d84bdb9a11d,
  title = {Volcanic ash in organic-rich surficial uranium deposits of northeastern Washington and westernmost Nevada},
  author = {Robert A. Zielinski and James K. Otton},
  year = {1986},
  doi = {10.3133/ofr86342},
  url = {https://pubs.usgs.gov/publication/ofr86342},
  note = {Source identifier: ofr86342}
}