@misc{indiciae5385ba6dfc02,
  title = {Chemistry of ash and leachates from the May 18, 1980 eruption of Mount St. Helens, Washington},
  author = {T. K. Hinkley},
  year = {1987},
  doi = {10.3133/pp1397},
  url = {https://pubs.usgs.gov/publication/pp1397},
  note = {Source identifier: pp1397}
}