You are in the CarrTracks website Picture Gallery.
Engines 6511, 3644, 6661, 6600, and 6562 pull the string of side dump gondolas up to the dumper of unloading.
As the train moves through the dumper the head brakeman prepares to cut off the units from the train. The units will then run around to the other end and shove the rest of the cars through the dumper. However before this move can be made, the units have to wait for engines 6506 and 3412 to come by with a few cars of rock ballast from Winkleman. Disk 57