1. Regional longleaf growth study for the Southern United States
- Author(s):
- Farrar, Robert M.; Kush, John S.; Meldahl, Ralph S.; Baldwin, Virgil C.
2. scounty100: County boundaries of the Southern United States at 1:100,000 scale
- Author(s):
- Negri, M.; Yockey, Edwin
3. scounty2m: County boundaries of the Southern United States at 1:2,000,000 scale
- Author(s):
- Yockey, Edwin