You are in the CarrTracks website Picture Gallery.
Across the river from Barstow is the siding at Hutt. Train 968 (Extra 4561 East) slows to a stop at Hutt and waits for permission to enter Barstow Yard on February 11, 1974.
Following close behind is the Boron Local with engines 3405, 3452, and 3434. Disk 50