@misc{indiciae37687e6fd992,
  title = {Metalliferous mineral deposits of the Cascade Range in Oregon},
  author = {Eugene Callaghan and A. F. Buddington},
  year = {1938},
  doi = {10.3133/b893},
  url = {https://pubs.usgs.gov/publication/b893},
  note = {Source identifier: b893}
}