Conrail. Ex Penn Central & PRR GP-30 #2240. Working the 2nd trick at Enola yards on August 15, 1978. I tok the photo from the Iron Bridge near Marysville, PA. I used a Yashica 35mm, 125th/sec flash sync, Vivitar 252 flash, f1.7. The time was around 9PM.
EMD GP-30; Built as PRR #2240; Serial number 7643-41; Order number 7643; Built May 1963