@misc{indiciaefba8f8db6774,
  title = {Assessment of undiscovered oil and gas resources in Cretaceous-Tertiary coal beds of the Gulf Coast region, 2007},
  author = {Peter D. Warwick},
  year = {2007},
  doi = {10.3133/fs20073039},
  url = {https://pubs.usgs.gov/publication/fs20073039},
  note = {Source identifier: fs20073039}
}