@misc{indiciae7a6723a89eea,
  title = {Preliminary megafossil biostratigraphy and correlation of stratigraphic sections in the Gulf of Alaska Tertiary province},
  author = {Warren O. Addicott and G. R. Winkler and George Plafker},
  year = {1978},
  doi = {10.3133/ofr78491},
  url = {https://pubs.usgs.gov/publication/ofr78491},
  note = {Source identifier: ofr78491}
}