@misc{indiciae4c49fff3ae5e,
  title = {Sequential physiographic diagrams of Mount St. Helens, spring 1980},
  author = {Tau Rho Alpha and J.G. Moore and David R. Jones},
  year = {1980},
  doi = {10.3133/ofr80792},
  url = {https://pubs.usgs.gov/publication/ofr80792},
  note = {Source identifier: ofr80792}
}