@misc{indiciae677eddcdd25e,
  title = {Analytical results for rock samples collected from the Mercur and Ophir mining districts, Utah, the Lookout Pass prospect area, Utah, and the Ferber mining district, Nevada},
  author = {David R. Zimbelman and B. F. Arbogast and Phil Hageman and R. H. Hill and D.L. Fey},
  year = {1991},
  doi = {10.3133/ofr91349},
  url = {https://pubs.usgs.gov/publication/ofr91349},
  note = {Source identifier: ofr91349}
}