| Mopac's original GP50 leads this northbound at Fountain. She was later UP 50, UP 960 (and had d/b added 11/19/92 at VMV), UP 5558, UP 1658, rebuilt by MPI to MP20B-3 with a 2000 hp Caterpillar engine, renumbered to UPY 2106. Date of photo approximate. |