Conrail's GG-1 No. 4835 was built in July 1935, over 46 years prior to this photo's date. To see it in action in April 1977, click HERE

The 4835 and 4868 are hauling an eastbound manifest through Columbia as their engineer yanks the horn cord for Walnut and Locust Streets. The silver piping in the foreground carried compressed ai... (more)