UP 6897 brings up the rear of a westbound Calipatria,CA bound grain load at the east end of Aztec.
Crossing Arizona we came across 199 "abandoned" on a siding. Note the high tech, custom made wheel chocks.
One of my favorite units- the SD90MAC- was an ill-fated experiment, which makes it all the more compelling. Here three of the brutes team up to haul tonnage westward at Aztec.