A quartet of MRL SD70ACes shove the LM up Mullan Pass at East Austin.

A quartet of MRL SD70ACes help the LM get over Mullan Pass.

Missoula-Laurel mixed freight departs the east switch at Austin behind a quartet of MRL SD70ACes.

MRL 4310 leads the ML down the east side of Mullan Pass.

BNSF and CN GEVOs lead an empty coal train down Mullan Pass.

BNSF and CN GEVOs lead an empty coal train down Mullan Pass.

Crude oil empties for Fryburg, ND head down the east side of Mullan Pass behind BNSF ES44DC 7819.

BNSF C44-9W 4994 leads a Portland-Chicago Q train east on MRL's 3rd Sub. Going to guess that this train was detouring from BNSF's Northern Transcon for some reason?

Helper #1 departs Austin heading back down the hill to Helena.

MRL's Laurel-Missoula manifest train climbs up Mullan Pass between Austin and Skyline on the 3rd Sub. MRL SD70ACes 4308 and 4305 are up front, while Helper #2's SD70ACes 4318, 4302, 4300 and 4314 ... (more)

MRL SD70ACe 4308 leads the "LM" up the ruling grade of Mullan Pass near Austin, MT.

Helper #2 gives the LM a shove over Mullan Pass at East Austin.

Helper #2 gives the LM a shove over Mullan Pass approaching Austin, MT.

BNSF 3863 shoves on the tailend of a loaded coal train approaching Austin, MT.

Ethanol empties head down Mullan Pass' east side.