Sub-locations
| Name | Sites | Samples |
|---|---|---|
| Chambers County | 25 | 113 |
| Cherokee County | 9 | 154 |
| Coke County | 3 | 4 |
| Coleman County | 2 | 8 |
| Collingsworth County | 1 | 1 |
| Comal County | 6 | 23 |
| Concho County | 3 | 18 |
| Cooke County | 5 | 19 |
| Coryell County | 116 | 362 |
| Crockett County | 13 | 33 |
| Culberson County | 25 | 144 |
| Dallas County | 11 | 88 |
| Delta County | 16 | 95 |
| Denton County | 3 | 31 |
| DeWitt County | 2 | 13 |
| Edwards County | 1 | 58 |
| Ellis County | 1 | 1 |
| El Paso County | 163 | 748 |
| Fannin County | 9 | 17 |
| Fayette County | 4 | 4 |
| Foard County | 4 | 8 |
| Fort Bend County | 5 | 14 |
| Franklin County | 1 | 1 |
| Freestone County | 11 | 67 |
| Gaines County | 1 | 5 |
Sites
| Site Identifier | Name | Location | Samples |
|---|---|---|---|
| 41SY41 | Robert Griffin | TX | 1 |
| 41SY45 | Buddy Hancock | TX | 1 |
| 41SY92 | Tyson | TX | 4 |