@misc{indiciae5f4546a802e8,
  title = {Manganese deposits in the Paymaster mining district, Imperial County, California},
  author = {J. B. Hadley},
  year = {1942},
  doi = {10.3133/b931s},
  url = {https://pubs.usgs.gov/publication/b931S},
  note = {Source identifier: b931S}
}