@misc{indiciae7ac9fad12ed3,
  title = {Topaz deposits near Brewer mine, Chesterfield County, South Carolina},
  author = {Carl Fries},
  year = {1941},
  doi = {10.3133/ofr4110},
  url = {https://pubs.usgs.gov/publication/ofr4110},
  note = {Source identifier: ofr4110}
}