@misc{indiciae09772c0b2a82,
  title = {The Climax molybdenum deposit, Colorado, with a section on history, production, metallurgy, and development},
  author = {B. S. Butler and J. W. Vanderwilt},
  year = {1933},
  doi = {10.3133/b846c},
  url = {https://pubs.usgs.gov/publication/b846C},
  note = {Source identifier: b846C}
}