UP's MRONYX (Salt Lake City - Denver) manifest emerges from the Thistle Tunnels on the former D&RGW.

Union Pacific's MRONYX (Salt Lake City - Denver) manifest, all 99 cars of it, is stretched out along a two mile tangent just east of CP RG672, Narrows. Note the rare appearance of KCS pool power o... (more)

Union Pacific's daily Salt Lake City to Denver manifest crosses the Diamond Fork River on the former D&RGW in Spanish Fork Canyon.

A 99 car MRONYX (Salt Lake City - Denver) manifest grinds its way east through the lower horseshoe curve at Gilluly, Utah. Several former Amtrak ExpressTrak refrigerator cars were in the train con... (more)