Two of the remaining six leased-to-BNSF SD45's race East with BNSF's Miles City Turn over the frozen O'Fallon Creek on a beautiful Winter morning.
A helper set rests waiting its turn back to Helena on a chilly late September day.
Four SD45 light helper set drifts downgrade toward Helena for another shove up the hill.
80 cylinders worth of V-20 Thunder shove a westbound coal load up the 2.2% climb on Mullan Pass