Previous Next A year into Conrail operations and the continued power shortage was visible as evidenced by the lines of units outside the Juniata shops. EL GP7 1209 (CR 5939), PC GP9's 7418 and 7457, and PC U33C 6550 await service in May, 1977. Photo By Alan Page Year 1977 Original Date 5/22/77 Location City Altoona PA Location Details Juniata locomotive shops Equipment Type EMD GP9 Conrail Number 5939 7418 6550 7450 Predecessor Paint Scheme PC EL Collection CRHS Conrail Photo Archive Contributions