Santa Fe RSD-15 No. 9823 leads a Utah Railway coal train east through Spanish Fork Canyon on July 10, 1975.
Two Santa Fe RSD-15s and two LASCO RSD-12s power up a Utah Railway coal empty through Gilluly on July 10, 1975.
A pair of Santa Fe RSD-15s and a single LASCO RSD-12 pull a Utah Railway coal empty east through the Red Narrows of Spanish Fork Canyon, Oct. 26, 1975.