@misc{indiciae57f6dad59fa2,
  title = {Wilcox group (Paleocene to Eocene) coals of the Sabine Uplift area, Texas and Louisiana},
  author = {Robert W. Hook and Peter D. Warwick and John R. SanFilipo},
  year = {2011},
  url = {https://pubs.usgs.gov/publication/70192687},
  note = {Source identifier: 70192687}
}