@misc{indiciae61876816e78d,
  title = {Stratigraphic framework and correlation of the Tertiary lignite-bearing formations from southeast Missouri to the Fort Pillow test well of west Tennessee},
  author = {Joanne K. Oman},
  year = {1986},
  doi = {10.3133/b1644},
  url = {https://pubs.usgs.gov/publication/b1644},
  note = {Source identifier: b1644}
}