@misc{indiciaed177fd79942a,
  title = {Geologic maps of pyroclastic-flow and related deposits of the 1980 eruptions of Mount St. Helens, Washington},
  author = {M. A. Kuntz and P. D. Rowley and N. S. MacLeod},
  year = {1990},
  doi = {10.3133/i1950},
  url = {https://pubs.usgs.gov/publication/i1950},
  note = {Source identifier: i1950}
}