@misc{indiciaef6c43ae01160,
  title = {A statistical representation of results of the U.S. Geological Survey's 1995 national assessment of conventional oil and gas resources},
  author = {R. A. Crovelli and J. W. Schmoker and R.H. Balay},
  year = {1995},
  doi = {10.3133/ofr95648},
  url = {https://pubs.usgs.gov/publication/ofr95648},
  note = {Source identifier: ofr95648}
}