@misc{indiciaecdb7a9e2ca5c,
  title = {Environmental studies of mineral deposits in Alaska},
  author = {John E. Gray and R. F. Sanzolone},
  year = {1996},
  doi = {10.3133/b2156},
  url = {https://pubs.usgs.gov/publication/b2156},
  note = {Source identifier: b2156}
}