@misc{indiciae524cc4ac2be7,
  title = {The Valdez Creek mining district, Alaska, in 1936},
  author = {Ralph Tuck},
  year = {1938},
  doi = {10.3133/b897b},
  url = {https://pubs.usgs.gov/publication/b897B},
  note = {Source identifier: b897B}
}