@misc{indiciae3f8f3058bb79,
  title = {Palynological investigations in the Upper Cretaceous and Tertiary of the Mississippi Embayment Region - I},
  author = {Robert H. Tschudy},
  year = {1965},
  doi = {10.3133/ofr65163},
  url = {https://pubs.usgs.gov/publication/ofr65163},
  note = {Source identifier: ofr65163}
}