Folder: S.F. Transportation-Railroads-San Francisco & San Joaquin.
Printed on back (1955 Aug. 18): "Early motive power of the San Francisco & San Joaquin Valley Railroad, now a part of the 13,000-mile Santa Fe Railway system. The laying of the first section of rail of the line took place 60 years ago Wednesday (August 17). The Claus Spreckels (pictured above) was named for the noted San Francisco financier, a leader in the establishment of additional rail facilities in the San Joaquin Valley.".