1/2 hour before sunrise, before the 4014 a westbound passes through early morning fog with Mount Ogden in the background.
DPU on a southbound coal train.
A UP merchandise train comes to a temporary halt to allow another train to enter the yard as dozens of SD40-2s await the call to return to service.
UP 5346 East accelerates through East Clinton after having made a crew change on the Iowa side of the Mississippi River.
This is a eastbound stacktrain, passing through the area known as Garnet along the Caliente Subdivision.