@misc{indiciaefe4745e10516,
  title = {Paleo­geographic implications of molluscan assemblages in the Upper Cretaceous (Campanian) Pigeon Point Formation, California},
  author = {William P. Elder and LouElla Saul},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/70186532},
  note = {Source identifier: 70186532}
}