@misc{indiciaee407e1be0a7e,
  title = {Manganese deposits near Bromide, Oklahoma},
  author = {D. F. Hewett},
  year = {1922},
  doi = {10.3133/b725e},
  url = {https://pubs.usgs.gov/publication/b725E},
  note = {Source identifier: b725E}
}