@misc{indiciaed416971382b8,
  title = {Petroleum exploration plays and resource estimates, 1989, onshore United States– Region 6, Gulf Coast},
  year = {1993},
  doi = {10.3133/ofr93705},
  url = {https://pubs.usgs.gov/publication/ofr93705},
  note = {Source identifier: ofr93705}
}