@misc{indiciaec4dc4e81bfc2,
  title = {On Marine Eocene, fresh-water Miocene, and other fossil Mollusca of western North America},
  author = {Charles A. White},
  year = {1885},
  doi = {10.3133/b18},
  url = {https://pubs.usgs.gov/publication/b18},
  note = {Source identifier: b18}
}