@misc{indiciae77131c25ad54,
  title = {Estimates of undiscovered conventional oil and gas resources in the United States: A part of the Nation's energy endowment},
  author = {R. F. Mast and G.L. Dolton and R. A. Crovelli and D. H. Root and E. D. Attanasi and P.E. Martin and L.W. Cooke and G.B. Carpenter and W.C. Pecora and M.B. Rose},
  year = {1989},
  doi = {10.3133/7000090},
  url = {https://pubs.usgs.gov/publication/7000090},
  note = {Source identifier: 7000090}
}