@misc{indiciae2d8917d44a41,
  title = {Complexiopollis pollen lineage in Mississippi embayment rocks},
  author = {Robert H. Tschudy},
  year = {1973},
  doi = {10.3133/pp743c},
  url = {https://pubs.usgs.gov/publication/pp743C},
  note = {Source identifier: pp743C}
}