@misc{indiciaea50804585bf0,
  title = {Epithermal gold deposits— Part II},
  author = {Ed DeWitt and Jon P. Thorson and Robert C. Smith and James W. Whipple and James A. Saunders},
  year = {1991},
  doi = {10.3133/b1857i},
  url = {https://pubs.usgs.gov/publication/b1857I},
  note = {Source identifier: b1857I}
}