@misc{indiciaee8afa943ff08,
  title = {Leachability of uranium and other elements from freshly erupted volcanic ash},
  author = {David B. Smith and Robert A. Zielinski and William I. Rose},
  year = {1981},
  doi = {10.3133/ofr81118},
  url = {https://pubs.usgs.gov/publication/ofr81118},
  note = {Source identifier: ofr81118}
}