| Coal Power. Here is a duplicate 35mm color slide of a photo by Charles T. Mahan, Jr., that was taken in Harrisburg, Pennsylvania, on 19 May 1949. Shown here is Pennsylvania Railroad engine #3755, a K-4S (4-6-2) "Pacific" built in Juniata during April of 1920 and retired in October of 1958 after 38 years of faithful service. |