Powered by a pair of EMD SD70Ms, an eastbound Union Pacific Z train is at Hermosa, Wyoming, on September 25, 2003.
Rolling downgrade with a UP/CSX/NS lashup
The 3833 west higballs the east switch Casa past the 4867 in the hole.
UP 4867 leads Q351 at Gamefarm Road, which is just west of Selkirk yard.