@misc{indiciaedcb07f5b8983,
  title = {Early Cretaceous (Albian) ammonites from the Chitina Valley and Talkeetna Mountains, Alaska},
  author = {R. W. Imlay},
  year = {1960},
  doi = {10.3133/pp354d},
  url = {https://pubs.usgs.gov/publication/pp354D},
  note = {Source identifier: pp354D}
}