The major difference in appearance between Southern Pacific's GS-3 and GS-4 Northern-type steam locomotives was the front end. The former had a single headlight on the conical-shaped, silver-pain... (more)
SP GP9s 3700 and 3742 lead a local underneath the Tunnel Avenue bridge in Brisbane, CA on the Bayshore Cutoff near San Francisco in August 1973. If I'm not mistaken, the truck passing over the br... (more)