Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
264214
| MT | Carter | Spring Creek | 2004 |
10090208
| Little Powder | established |
609388
| MT | Powder River | Little Powder Creek. Township:6s, Range:52e, Section:2. Maps:250k-Ekalaka, 24k-Fighting Butte, 100k-Broadus. Downstream Landmark:Spring Creek-Antelope Creek-East Fork Little Powder River. Upstream Landmark:Fighting Butte Creek-Fighting Butte-Dry Creek. | 2001 |
10090208
| Little Powder | established |
264325
| MT | Powder River | Little Powder River | 1976 |
10090208
| Little Powder | established |
264326
| MT | Powder River | Little Powder River | 2004 |
10090208
| Little Powder | established |
609387
| MT | Powder River | Little Powder River. Maps: 250k-Ekalaka, 24k-Fighting Butte, 100k-Broadus. | 2001 |
10090208
| Little Powder | established |