@misc{indiciae84026eb43d6a,
  title = {Occurrence of diatomaceous earth near Kenai, Alaska},
  author = {George Plafker},
  year = {1955},
  doi = {10.3133/ofr55139},
  url = {https://pubs.usgs.gov/publication/ofr55139},
  note = {Source identifier: ofr55139}
}