@misc{indiciaee17c83720f5f,
  title = {Eruptions of Mount St. Helens; past, present, and future},
  author = {Robert I. Tilling and Lyn J. Topinka and Donald A. Swanson},
  year = {1984},
  doi = {10.3133/7000044},
  url = {https://pubs.usgs.gov/publication/7000044},
  note = {Source identifier: 7000044}
}