translate English to French: The species’ distribution in the Milk River appears to be continuous from Writing-on-Stone Provincial Park in Alberta downstream to the confluence with Missouri River, although fragmentation has occurred with the construction of seven storage and diversion dams in Montana (Stash 2001; T. Clayton and D. Watkinson, pers. com.). Upstream movement past these dams is not possible. There are no barriers to fish movement above the Fresno Dam, which is located approximately 80 km downstream of the eastern border crossing.
Bramblett, comm. pers.). Dans le fleuve Mississippi, elle n’a été observée qu’en aval du point de confluence avec la rivière Missouri.