BN SD40 6312 backs into a snowy DUT with 321 and 322 on #5 San…

BN SD40 6312 backs into a snowy DUT with 321 and 322 on #5 San Francisco Zephyr in early January 1982. The SD40 had presumably piloted the SFZ from Nebraska, while the westbound service departed with UP GP40X pilot 9002.