Union Pacific SD40-2 3227, UP SD40-2 3284, UP SD40-2 3162, UP C30-7 2437, D&RGW GP40-2 3099 and Mountain Diesel FP7 1510. No photographer listed on slide.
EMDs and GEs hold back the tremendous tonnage of a unit grain train as they cross a small truss bridge just west of Pulga.
Various sorts of UP power idle at Mojave on a clear Sunday morning.