@misc{indiciae8bdde8a12f1a,
  title = {Miocene foraminifera of the coastal plain of the eastern United States},
  author = {J.A. Cushman and E.D. Cahill},
  year = {1933},
  doi = {10.3133/pp175a},
  url = {https://pubs.usgs.gov/publication/pp175A},
  note = {Source identifier: pp175A}
}