Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
264520
| MT | Big Horn | Decker Coal Company, West, North, and East Pits | 1975 |
10090101
| Upper Tongue | established |
264519
| MT | Big Horn | Hanging Woman Creek | 2004 |
10090101
| Upper Tongue | established |
264556
| MT | Big Horn | Squirrel Creek | 2005 |
10090101
| Upper Tongue | established |
264557
| MT | Big Horn | Tongue River, upper, in vicinity of Reservoir | 2004 |
10090101
| Upper Tongue | established |
264558
| MT | Big Horn | Tongue River, upper, in vicinity of Reservoir | 2005 |
10090101
| Upper Tongue | established |
264690
| MT | Rosebud | Hanging Woman Creek | 2001 |
10090101
| Upper Tongue | established |
264689
| MT | Rosebud | Hanging Woman Creek | 2003 |
10090101
| Upper Tongue | established |
264699
| MT | Rosebud | Timber Creek Basin Reservoir | 2005 |
10090101
| Upper Tongue | established |