@misc{indiciae7938355ce638,
  title = {Geology of the Alaska-Juneau lode system, Alaska},
  author = {William Stephens Twenhofel},
  year = {1952},
  doi = {10.3133/ofr52160},
  url = {https://pubs.usgs.gov/publication/ofr52160},
  note = {Source identifier: ofr52160}
}