Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
240504
| NE | Brown | Ainsworth Canal in north-central NE | 2005 |
10150004
| Middle Niobrara | established |
549581
| NE | Cherry | 1 mi. W. Valentine, Site-285; T34N,R28W,Sec.36,NW1/4ofNE1/4; UTM 14T 372290E 4748687N; Upper Niobrara River | 2004 |
10150004
| Middle Niobrara | established |
1334989
| NE | Cherry | Snake River | 1963 |
10150005
| Snake | established |
549610
| SD | Todd | Bull Creek. Township - 35n. Range - 30w. Section - 8. Maps: 250k-Martin, 24k-Saint Francis SE, 100k-Mission. | 2000 |
10150004
| Middle Niobrara | established |
549609
| SD | Tripp | Spring Creek. Township:36N, Range:32W, Section:24. Maps:250K-Martin, 24K-Spring Creek, 100K-Martin. | 2002 |
10150006
| Keya Paha | established |