@misc{indiciae795faea13b49,
  title = {Geology and resources of gold in the United States},
  author = {Daniel R. Shawe and Roger P. Ashley and Lorna M.H. Carter},
  year = {1988},
  doi = {10.3133/b1857},
  url = {https://pubs.usgs.gov/publication/b1857},
  note = {Source identifier: b1857}
}