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AT&SF Railway train symbol 168 at Summit, CA

AT&SF Railway train symbol 168 comes by the Summit, CA station sign

Train 168 had engines 8742, 5339, 5183, and 1559 on May 30, 1987. Interesting that the last unit is an SD39. These units are generally used between Kansas City, Denver and Albuquerque. Disk 51

photo of AT&SF Railway train symbol 168 at Summit, CA