| Boulton. Here is an original photo by an unidentified photographer that was taken in Enola, Pennsylvania, on 3 October 1970. Shown here is Penn Central Railroad engine #7171, a GP9 road switcher built by GM-EMD for the Pennsylvania Railroad in October of 1957 and rated at 1,750 horsepower. The sign reads "Penn Central Enola Freight Locomotive Facility." |