A MRL Livingston Helper set sits at east Bozeman awaiting a westbound manifest train, before heading east back to Livingston

The end is near, searchlights still stand guard at the east end of Bozeman on warm summer evening, while an MRL helper set sits waiting another westbound.

One of MRLs Livingston helper sets waits for a westbound train at Bozeman.

MRL 4400 helps a loaded coal train down the westside of Bozeman Pass

A set of MRL Helpers head light powered back to Livingston under a stormy sky.

Helpers are about to the top of their run up the mountain grade assisting coal loads west.

Helpers on the rear of the "LM" going up the grade to Muir. MRL has always been a huge draw, dotted with more than numerous photographers over the past year, documenting the famous blue... (more)

The rear DPU of a loaded BNSF coal train is joined by a trio of MRL locos for the climb out of Livingston, Montana and over Bozeman Pass. A pair of MRL SD70ACe's bracket the sole SD40P-2XR on the ... (more)

The rear DPU of a loaded BNSF coal train is joined by a trio of MRL locos for the climb out of Livingston, Montana and over Bozeman pass. A pair of MRL SD70ACe's bracket the sole SD40P-2XR on the ... (more)

On a bright and clear summer morning in Western Montana, MRL's Livingston helper set pushes on the rear of a BNSF grain train making the 1.8% climb up Bozeman Pass.

A helper set heads back East towards Livingston from Bozeman with the local power tacked on the rear. Chestnut Mountain looms in the background.

A very patriotic horse keeps an eye on me as an MRL helper set shoves a BNSF mixed freight up over Bozeman Pass.

One of the two Livingston, MT-based helper sets, a pair of SD70ACe bracketing the one-of-a-kind for MRL, SDP40, are against a CP AC4400CW as the train climbs toward Bozeman Pass and thunderstorms ... (more)

A trio of MRL EMD's work west, shoving hard on the end of a loaded BNSF coal train as climbs over Bozeman Pass. The helpers are rolling through Muir, Montana as they approach the tunnel around the... (more)

The 0625 Helpers near the summit as they pass through Muir.