@misc{indiciae0582d20520af,
  title = {Archeogastropoda, Mesogastropoda, and stratigraphy of the Ripley, Owl Creek, and Prairie Bluff formations},
  author = {N. F. Sohl},
  year = {1960},
  doi = {10.3133/pp331a},
  url = {https://pubs.usgs.gov/publication/pp331A},
  note = {Source identifier: pp331A}
}