@misc{indiciae5cbd3d691be3,
  title = {Upper Paleocene and lowermost Eocene angiosperm pollen biostratigraphy of the eastern Gulf Coast and Virginia},
  author = {N. O. Frederiksen},
  year = {1998},
  url = {https://pubs.usgs.gov/publication/70020933},
  note = {Source identifier: 70020933}
}