An eastbound Union Pacific freight climbs the legendary Wasatch grade through Echo Canyon east of Echo, Utah, on February 8, 2007.
Union Pacific MDVRO (Denver to Salt Lake City) works upgrade out of Tunnel 18 at Crescent, Colorado, on the afternoon of May 23, 2001.
An eastbound rumbles uphill on the left, while UP 4132 leads westbound auto racks out of Hermosa Tunnel