541 miles into its 2222 mile journey from Los Angeles CA to Chicago IL, three Santa Fe engines (two F45s – ATSF 5933 and another – and an F7B – plus a steam generator car) lead Amtrak 4, the... (more)

Not long after sunrise, a pair of Santa Fe cowls leads Amtrak No. 3 up the eastern slope of Cajon Pass.

Two Santa Fe F45s and an F7B lead Amtrak 4, the eastbound Southwest Chief, as it pauses at the Flagstaff AZ station on a chilly March 6, 1973, morning.

Two Santa Fe F45s and an F7B lead Amtrak 4, the eastbound Southwest Chief, as it pauses at the Flagstaff AZ station on a chilly March 6, 1973, morning.

Santa Fe 5933 West roars up the east side of Cajon Pass at Lugo.

Kodachrome 64, Yashica TL