@misc{indiciae6986a15f1578,
  title = {Manganese deposits in the Paymaster district, Imperial County, California},
  author = {J. B. Hadley and J.S. Livermore},
  year = {1941},
  doi = {10.3133/ofr4113},
  url = {https://pubs.usgs.gov/publication/ofr4113},
  note = {Source identifier: ofr4113}
}