@misc{indiciae43b4c437d1d9,
  title = {Palynological analyses of Upper Pennsylvanian coal beds and adjacent strata from the proposed Pennsylvanian System stratotype in West Virginia},
  author = {R.M. Kosanke},
  year = {1988},
  doi = {10.3133/pp1486},
  url = {https://pubs.usgs.gov/publication/pp1486},
  note = {Source identifier: pp1486}
}