| Latitude | Longitude | Site | County | State | Date Collected | Collected By |
| 48.09222 | -105.33072 | Missouri River | McCone / Roosevelt | MT | 2004 | USGS |
Pink color is due to phloxine-B dye
| Latitude | Longitude | Site | County | State | Date Collected | Collected By |
| 48.01561 | -106.04720 | Missouri River | Valley / McCone | MT | 07/28/2004 | USGS |
Pink color is due to phloxine-B dye
| Latitude | Longitude | Site | County | State | Date Collected | Collected By |
| 47.08097 | -100.932 | Missouri River | Burleigh / Oliver | ND | 2005 | USGS |
Pink color is due to phloxine-B dye