Sitting in the north end of Union Pacific’s Dolores Yard is 21,600 horsepower, resting after arriving on a westbound and later being called for an eastbound. Besides providing the muscle, CSX Transportation AC4400CW 78, UP SD70M 4245, UP ES44AC 7984, BNSF ES44DC 7407 and UP ES44AC 7748 are also providing some variety of color. (Compton, California – January 11, 2014)