@misc{indiciae8ecd57433b71,
  title = {U.S. Geological Survey assessment of reserve growth outside of the United States},
  author = {Timothy R. Klett and Troy A. Cook and Ronald R. Charpentier and Marilyn E. Tennyson and Phuong A. Le},
  year = {2015},
  doi = {10.3133/sir20155091},
  url = {https://pubs.usgs.gov/publication/sir20155091},
  note = {Source identifier: sir20155091}
}