@misc{indiciae5ebbf2f35fbc,
  title = {Revision of the biostratigraphy of the Chatham Group (Upper Triassic), Deep River basin, North Carolina, USA},
  author = {R. J. Litwin and S.R. Ash},
  year = {1993},
  doi = {10.1016/0034-6667(93)90057-2},
  url = {https://pubs.usgs.gov/publication/70018355},
  note = {Source identifier: 70018355}
}