Sub-locations
| Name | Sites | Samples |
|---|---|---|
| Putnam County | 2 | 5 |
| Quitman County | 3 | 11 |
| Randolph County | 1 | 2 |
| Richmond County | 5 | 59 |
| Rockdale County | 3 | 8 |
| Screven County | 6 | 18 |
| Spalding County | 3 | 3 |
| Stephens County | 2 | 5 |
| Stewart County | 4 | 11 |
| Sumter County | 1 | 1 |
| Telfair County | 16 | 21 |
| Towns County | 1 | 2 |
| Troup County | 1 | 2 |
| Twiggs County | 1 | 1 |
| Warren County | 2 | 10 |
| Wheeler County | 6 | 17 |
| Wilcox County | 1 | 1 |