Bending into the Hermosa Tunnels cut, UP 7868 comes into a brief sunny moment amid the smoky air from the Oregon fires of 2021.

A manifest nears their second crest of the Continental Divide out of Silver Bow.

MSBPC heads through the rolling hills and farmland of south Silver Bow County as they work back to Dillion.

Smoke filled skies make up the backdrop as a southbound manifest heads out of Silver Bow.

An almost full day late MSBPC heads along Divide Creek as they work south with an Idaho-bound manifest.

A Silver Bow to Pocatello manifest heads over the first of two passages of the Continental Divide that it'll conquer on the Montana Sub.

UP 7868 runs southbound on Union Pacific's Valley Subdivision, below Castle Crags, a 150-million year old granite pluton formation. The crags range from 2,000 to 6,500 feet above sea level.

A big yellow Tylenol rolls West along the San Pablo Bay with a Super Twinkie GEVO leading the parade of overpaid executives. (Okay, rant over. Now, UP 7868 leads an inspection special Westbound ag... (more)

A nine car inspection special rolls West along the edge of the San Pablo Bay on a warm September afternoon.

UP Gevo leads the SSPOA-27 through Crockett on it's westbound trip down the Cal-P

A UP inspection train heads west along San Pablo Bay.

The reflection of UP 7868 is visible as an eastbound Metra train heads out of Oak Park during the height of the afternoon rush.