@misc{indiciae08fbae38cb71,
  title = {Costa Rica volcano profile},
  author = {Cynthia M. Stine and Norman G. Banks},
  year = {1991},
  doi = {10.3133/ofr91591},
  url = {https://pubs.usgs.gov/publication/ofr91591},
  note = {Source identifier: ofr91591}
}