@misc{indiciae8e4587e5dcaa,
  title = {Middle Miocene marine diatoms from the Hawthorn Formation within the Ridgeland Trough, South Carolina and Georgia},
  author = {William H. Abbott and George W. Andrews},
  year = {1979},
  doi = {10.2307/1485301},
  url = {https://pubs.usgs.gov/publication/70208738},
  note = {Source identifier: 70208738}
}