@misc{indiciae5028bb9322b2,
  title = {Georgia mica mines},
  author = {E. W. Heinrich and R. W. Lemke and W. R. Griffitts},
  year = {1945},
  doi = {10.3133/ofr4584},
  url = {https://pubs.usgs.gov/publication/ofr4584},
  note = {Source identifier: ofr4584}
}