A rather weary looking PRR E8A followed by an E7B descends the grade below the Gallitzin tunnels with a passenger consist. They will soon round the Horseshoe Curve on the way to Altoona, PA.
The Pennsy was one of the biggest passenger carriers in the United States, but its fortunes waned and it lost business to the highways and skies, and stumbled toward its ill-fated merger with the New York Central.