@misc{indiciae0d9135d1af6c,
  title = {Geology of lode gold districts in the Klamath Mountains, California and Oregon},
  author = {Preston Enslow Hotz},
  year = {1971},
  doi = {10.3133/b1290},
  url = {https://pubs.usgs.gov/publication/b1290},
  note = {Source identifier: b1290}
}