@misc{indiciae658b99a4cf96,
  title = {USGS assesses deep undiscovered gas resource},
  author = {T. S. Dyman and J. W. Schmoker and D. H. Root},
  year = {1998},
  url = {https://pubs.usgs.gov/publication/70021058},
  note = {Source identifier: 70021058}
}