Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
292658
| MT | Roosevelt | Missouri River(River Mile: 1,586.8 to 2,293) | 1931 |
10060005
| Charlie-Little Muddy | established |
292657
| MT | Roosevelt | Missouri River(River Mile: 1,586.8 to 2,293) | 1985 |
10060005
| Charlie-Little Muddy | established |
292634
| MT | Roosevelt | Missouri River(River Miles: 1,590 to 1,761.5) | 1999 |
10060005
| Charlie-Little Muddy | established |
292635
| MT | Roosevelt | Missouri River(River Miles: 1,600 to 1,601) | 2001 |
10060005
| Charlie-Little Muddy | established |