Five GP60s run around their empty rock train at Big Sandy.
The conductor of a unit rock train checks his power before instructing the engineer to throttle up.
UP 1981 East slowly backs its consist of 100 rock-filled gondolas into the siding on the ex-Cotton Belt line via the connection from the T&P.
A UP unit rock train out of Chico moves out of the T&P siding at Big Sandy.
