@misc{indiciaeacbb1d497384,
  title = {The antimonial silver-lead veins of the Arabia district, Nevada},
  author = {Adolph Knopf},
  year = {1918},
  doi = {10.3133/b660h},
  url = {https://pubs.usgs.gov/publication/b660H},
  note = {Source identifier: b660H}
}