While storm clouds build along the San Francisco Peaks, Amtrak's Southwest Chief train #4 descends Santa Fe's Seligman Sub in Arizona's Coconino National Forest.

Back when intermodal trains often consisted of trailers, rather than containers

Crossing from main to main and working the grade up the Winona Sag in a colorful north Arizonan landscape.

Four GEs lead a doublestack east on the Transcon.

Early morning at Darling on BNSF's Seligman Sub with the San Francisco Peaks in the background.

Early morning at Darling on BNSF's Seligman Sub.

This was actually a panic shot, we saw the train coming when we drove over the bridge. Turned out to be a wellknown photospot.

Somewhere between Flagstaff and Winona, where bullet-riddled refrigerators are a common sight in nature (luckily not visible in the picture).

A brand new GEVO leads another stack train east into the rapidly rising sun.

A quartet of GEs head east at Darling with a stack train, while a westbound stacker passes on track 1.

Brand new ES44DC 7832 leads a stack train through the dip at Darling.

Four swooosh GEs lead a stacktrain through Winona.

An eastbound Z train cruises downgrade through the tiny town of Winona.

Quite the family heads east back to Winslow with the 71 local.

BNSF 7460 leads Clovis, NM bound stacks east on the Seligman Sub. Two more ES44DCs shove on the rear.