| Sweetland. Here is a duplicate 35mm color slide of a photo by David R. Sweetland that was taken in East Altoona, Pennsylvania, in January of 1962. Shown here is Pennsylvania Railroad engine #9629, an AF-16 built by the American Locomotive Company in December of 1951, rated at 1,600 horsepower, and retired in January of 1967 after just 16 years of revenue service. |