@misc{indiciae32666fab2313,
  title = {Bibliography of Gulf Coast lignite geology},
  author = {S.J. Tewalt and R. B. Finkelman and R.L. Barnett},
  year = {1990},
  doi = {10.3133/ofr90549},
  url = {https://pubs.usgs.gov/publication/ofr90549},
  note = {Source identifier: ofr90549}
}