After a large gang of Union Pacific maintenance-of-way workers replaced the frog at the west switch of Mounds, Utah, on the morning of May 11, 2006, a welder finishes up one of the joints with a g... (more)
A Union Pacific logo adorns the stack of a piece of MOW equipment that planes the top of a railroad tie for the tie plate to sit. Photo taken in Altoona, WI.