PRR’s roundhouse at Crestline, Ohio By Angela Cotey | April 15, 2013 | Last updated on January 5, 2021 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates A July 1947 aerial view shows the Pennsylvania Railroad’s big roundhouse at Crestline, Ohio. The long engine at middle left is No. 6100, the 6-4-4-6 duplex of 1939. Classic Trains coll. Comments+ You must login to submit a comment