@misc{indiciae090a5a1f7425,
  title = {Manganese deposits in the Nevada district, White Pine County, Nevada},
  author = {R. J. Roberts},
  year = {1942},
  doi = {10.3133/b931m},
  url = {https://pubs.usgs.gov/publication/b931M},
  note = {Source identifier: b931M}
}