1948?  Modesto, California?

The single air compressor and steam dynamo are two of the more interesting features in this photo.  Also, note that the 124 has no forward windows above the boiler.  The strapping that seems to secure the cab roof and run down the sides of the cab is an unusual detail.

photo by Guy Dunscomb?, Jim King collection 

Baldwin 2-8-0 Western Pacific 124

Tidewater Southern Railway