@misc{indiciaeb0ddc5c696dd,
  title = {Make your own paper model of a volcano},
  author = {Tau Rho Alpha and Leslie C. Gordon},
  year = {1991},
  doi = {10.3133/ofr91115b},
  url = {https://pubs.usgs.gov/publication/ofr91115B},
  note = {Source identifier: ofr91115B}
}