CR 6691 Altoona, PA 7-25-1978

CR SDP-45 6691 (ex-EL 3660) leads SD-45-2 6660 (ex-EL 3675) GP-40 3181, and a U23B on a TV train up Horseshoe Curve in July, 1978. PRR 4-6-2 #1361 on display may have been pounding up the Curve pulling the Broadway Limited a little over 20 years prior.