@misc{indiciae0e968fa195a0,
  title = {An ancient volcanic eruption in the upper Yukon Basin},
  author = {S. R. Capps},
  year = {1916},
  doi = {10.3133/pp95d},
  url = {https://pubs.usgs.gov/publication/pp95D},
  note = {Source identifier: pp95D}
}