This first Volume of two pictorials by Four Ways West Publications on the Western Pacific features diesel locomotives that were on the roster between 1939 and the end of the 1960s. Also included are color views of several WP steam locomotives, Rail Diesel Cars and Sacramento Northern Electric Locomotive.

The Western Pacific was completely dieselized by 1953, one of the first western roads. Scenes of subsidiaries, Sacramento Northern, Tidewater Southern and Alameda Belt Line are also provided along with the Oro Dam Railroad, although it was not part of the Western Pacific. Includes a steam and diesel locomotive roster, pictures of GM FT demonstrators on the WP and a system map

Four Ways West Publications, hardcover, 128 pages, 8.5 x 11 x .5 in., all Color photographs.