@misc{indiciae09f56ccf360d,
  title = {Stratigraphy and distribution of tephra from Glacier Peak (of 12,000 years ago) in the northern Cascade Range, Washington},
  author = {Stephen C. Porter},
  year = {1976},
  doi = {10.3133/ofr76186},
  url = {https://pubs.usgs.gov/publication/ofr76186},
  note = {Source identifier: ofr76186}
}