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Union Pacific freight train symbol SPX at Cheyenne, Wyoming

Union Pacific freight train symbol SPX at Cheyenne, Wyoming Union Pacific freight train symbol SPX at Cheyenne

Late in the afternoon of June 7, 1978 train SPX (Seattle Portland Manifest) comes off Sherman Hill and into Cheyenne with engines 6923, 6924, and 8003. Disk 76

Union Pacific caboose on freight train symbol SPX at Cheyenne, Wyoming