@misc{indiciaeecfa451054e5,
  title = {Oligocene marine mollusks from the Pittsburg Bluff Formation in Oregon},
  author = {Ellen James Moore},
  year = {1976},
  doi = {10.3133/pp922},
  url = {https://pubs.usgs.gov/publication/pp922},
  note = {Source identifier: pp922}
}