@misc{indiciaecee88b4bba5e,
  title = {Preliminary chart of stratigraphic nomenclature of Paleocene and Eocene lignite-bearing and associated strata of the Gulf Coast Plain-Mississippi Embayment},
  author = {Bettie S. Hackman and Charles R. Meissner},
  year = {1983},
  doi = {10.3133/ofr83310},
  url = {https://pubs.usgs.gov/publication/ofr83310},
  note = {Source identifier: ofr83310}
}