Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
290518
| MT | Valley | Milk River River Mile: 0 | 1981 |
10050012
| Lower Milk | established |
290517
| MT | Valley | Milk River River Mile: 0 | 1993 |
10050012
| Lower Milk | established |
290509
| MT | Valley | Milk River(River Miles: 117 to 274)[Calculated using NHD+ v2.0 GIS dataset] | 2000 |
10050012
| Lower Milk | established |
290513
| MT | Valley | Milk River(River Miles: 120 to 140)[Calculated using NHD+ v2.0 GIS dataset] | 1998 |
10050012
| Lower Milk | established |
290511
| MT | Valley | Milk River(River Miles: 120 to 140)[Calculated using NHD+ v2.0 GIS dataset] | 1999 |
10050012
| Lower Milk | established |
290512
| MT | Valley | Milk River(River Miles: 120 to 140)[Calculated using NHD+ v2.0 GIS dataset] | 1999 |
10050012
| Lower Milk | established |
290510
| MT | Valley | Milk River(River Miles: 120 to 140)[Calculated using NHD+ v2.0 GIS dataset] | 2001 |
10050012
| Lower Milk | established |
290514
| MT | Valley | Milk River(River Miles: 132 to 139.4)[Calculated using NHD+ v2.0 GIS dataset] | 2003 |
10050012
| Lower Milk | established |
290506
| MT | Valley | Milk River(River Miles: 90 to 120.6)[Calculated using NHD+ v2.0 GIS dataset] | 1999 |
10050012
| Lower Milk | established |
290508
| MT | Valley | Milk River(River Miles: 95.6 to 99.8)[Calculated using NHD+ v2.0 GIS dataset] | 2002 |
10050012
| Lower Milk | established |
290507
| MT | Valley | Milk River(River Miles: 95.6 to 99.8)[Calculated using NHD+ v2.0 GIS dataset] | 2003 |
10050012
| Lower Milk | established |
288917
| MT | Valley | Rock Creek River Miles: 0 to | 1976 |
10050012
| Lower Milk | established |
288916
| MT | Valley | Rock Creek River Miles: 0 to | 1977 |
10050012
| Lower Milk | established |
288915
| MT | Valley | Rock Creek River Miles: 0 to | 1985 |
10050012
| Lower Milk | established |