Trotting West through Lombard Canyon, two MRL SD40-2XR's lead the Helena to Logan along the Missouri River.

After exchanging cars with the 844 local and switching their train, the 840 local rolls west alongside the Missouri River just east of Toston.

A pair of rebuilt SD40s ease the 840 local into Logan, where after exchanging cars with the 844 local, will return back to Helena to tie up for the night.