@misc{indiciae3e95dcbc01d3,
  title = {Mica deposits of the southeastern Piedmont, Part 7, Hartwell district, Georgia and South Carolina; Part 8, Outlying deposits in South Carolina},
  author = {W. R. Griffitts and J. C. Olson},
  year = {1953},
  doi = {10.3133/pp248e},
  url = {https://pubs.usgs.gov/publication/pp248E},
  note = {Source identifier: pp248E}
}