@misc{indiciae07a927b3d817,
  title = {Geologic map of the Greenville 1 x 2 degree quadrangle, GA, SC, and NC},
  author = {Arthur E. Nelson and J. Wright Horton and James W. Clarke},
  year = {1989},
  doi = {10.3133/ofr899},
  url = {https://pubs.usgs.gov/publication/ofr899},
  note = {Source identifier: ofr899}
}