@misc{indiciae5057d123999e,
  title = {Physiographic diagrams of Mount St. Helens, Washington, showing changes in its summit crater, 1983},
  author = {Tau Rho Alpha and Bobbie Myers},
  year = {1985},
  doi = {10.3133/mf1771},
  url = {https://pubs.usgs.gov/publication/mf1771},
  note = {Source identifier: mf1771}
}