@misc{indiciae5c718403281d,
  title = {Topographic map of Mount St. Helens, Washington, showing changes between April 11 and May 16, 1980},
  author = {Raymond Jordan and H. H. Kieffer},
  year = {1982},
  doi = {10.3133/i1411},
  url = {https://pubs.usgs.gov/publication/i1411},
  note = {Source identifier: i1411}
}