@misc{indiciae5a5398697f46,
  title = {The 1980 eruptions of Mount St. Helens, Washington},
  author = {Peter W. Lipman and Donal Ray Mullineaux},
  year = {1981},
  doi = {10.3133/pp1250},
  url = {https://pubs.usgs.gov/publication/pp1250},
  note = {Source identifier: pp1250}
}