Got maintenance? A Loram ballast machine is doing some ballast work along the outside of the rails on the siding at Leyden. The Loram crew had hoped to be working on the main east of Leyden, but, as you can see, the dispatcher had trains to run! So, the crew took advantage off the non-mainline time and did some work on the siding. The crew was explicitly told not to work on the south side of the tracks (the inside of the curve) due to the trains coming through on the main. Always, safety first!
Interesting to note that the second-to-last unit in the consist is an SD9043MAC. It is pretty rare to find those in coal service these days as UP decided in 2009 to remove them from said service. How things have changed. The Moffat has gone from an EMD-only club to almost exclusively GE!