Union Pacific SD40-2s No. 3152, 3628, and 3395 lead a 93 car Proviso to Los Angeles stack train through Tintic Valley on July 25, 1994.
UP SD40-2s 3152, 3628, and 3395 pull a 92 car Proviso to Los Angeles stack train approaching 6061 ft. Boulter Summit on the morning of July 25, 1994.
Running on the North track, a UP westbound overtakes a Santa Fe west man on the South main at Lugo.
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