the seventies was a booming decade for SP which found the railroad chronically power short resulting in many unusual power lashups, here a set of seven SW1500's lead a Dolores yard to Taylor yard hauler on the San Pedro Branch along Slausen Ave in the city of Vernon, CA
There are times when many engines, cars or cabooses are concentrated in a location. Such sites are for storage, economic reasons, active power needs or for rebuilding. For others, wear and tear have brought their usefulness to and end.
