@misc{indiciae37d38742fe1c,
  title = {Quality characteristics of coal beds in the Gulf Coast Province},
  author = {S.S. Crowley and Peter D. Warwick and John R. SanFilipo and S.J. Law and Claire E. Aubourg and Jason C. Willett},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70195482},
  note = {Source identifier: 70195482}
}