| 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 #9581, a BF-15 built by the Baldwin Locomotive Company in May of 1949, rated at 1,500 horsepower, and retired in December of 1963 after just 14 years of revenue service. |