@misc{indiciae1bde22f0c682,
  title = {Preliminary geologic map of the Greenville Quadrangle, South Carolina, Georgia, and North Carolina},
  author = {Arthur E. Nelson and J. W. Clarke},
  year = {1978},
  doi = {10.3133/ofr78503},
  url = {https://pubs.usgs.gov/publication/ofr78503},
  note = {Source identifier: ofr78503}
}