@misc{indiciaeed226a987fca,
  title = {Geologic map of the South Hill SE 7.5-minute Quadrangle, Mecklenburg and Brunswick counties, Virginia, and Warren County, North Carolina},
  author = {P. E. Sacks},
  year = {1996},
  doi = {10.3133/mf2286},
  url = {https://pubs.usgs.gov/publication/mf2286},
  note = {Source identifier: mf2286}
}