@misc{indiciae6bb6e23e840d,
  title = {Geologic map of the Campbell Mountain Quadrangle, Lumpkin County, Georgia},
  author = {A. E. Nelson},
  year = {1991},
  doi = {10.3133/mf2148},
  url = {https://pubs.usgs.gov/publication/mf2148},
  note = {Source identifier: mf2148}
}