Table 1. Site names, abbreviations, and UTM coordinates (corresponding to Fig. 1).
| Site type | Location name | Abbreviation | UTM |
|---|---|---|---|
| Locations of Concern | Extreme Upstream | EUp | 15S 437476 3598161 |
| West of Upstream | WUp | 15S 437723 3598348 | |
| Upstream | Up | 15S 0437799 3598273 | |
| Weapons Bridge | WB | 15S 0438513 3596688 | |
| Fire Training Area-1 | FTA-1 | 15S 0439395 3594985 | |
| Upper Tributary | UT | 15S 439186 3595100 | |
| South Upper Tributary | SUT | 15S 439505 3594490 | |
| Upper Tributary | UT at SMB | 15S 439539 3594417 | |
| South Cooper Bayou | SMB | 15S 0439555 3594443 | |
| South Mack’s Bayou | SMB | 15S 0439497 3594410 | |
| Confluence | Con | 15S 0439587 3594415 | |
| Lower Flat River | LFR | 15S 440340 3594517 | |
| Confluence at Flat River | Con at FR | 15S 440367 3594448 | |
| Lower Confluence | LCon | 15S 440293 3594431 | |
| Reference Locations | Flat River | FR | 15S 0440300 3598123 |
| Flag Lake | FL | 15S 0444743 3596607 |