@misc{indiciae7fe9e018df4a,
  title = {Paleocene foraminifera of the Gulf coastal region of the United States and adjacent areas},
  author = {Joseph A. Cushman},
  year = {1951},
  doi = {10.3133/pp232},
  url = {https://pubs.usgs.gov/publication/pp232},
  note = {Source identifier: pp232}
}