@misc{indiciae5c3cf0eb948b,
  title = {The U.S. Geological Survey coal assessment of the Gulf Coastal Region: A progress report},
  author = {Peter D. Warwick and Claire E. Aubourg and S.S. Crowley and R.W. Hook and S.J. Law and S.W. Miller and D. J. Nichols and Steven M. Podwysocki and John R. SanFilipo and R. E. Thomas and E.M. Timmerberg and J.K. Tully and C.S. Watt and Jason C. Willett},
  year = {1998},
  url = {https://pubs.usgs.gov/publication/70195487},
  note = {Source identifier: 70195487}
}