@misc{indiciaee864d446e9b8,
  title = {Palynological investigations in the Pennsylvanian of Kentucky - I},
  author = {Robert M. Kosanke},
  year = {1965},
  doi = {10.3133/ofr6588},
  url = {https://pubs.usgs.gov/publication/ofr6588},
  note = {Source identifier: ofr6588}
}