http://www.drgw.net/gallery/main.php http://www.drgw.net/gallery/v/DRGWDieselContainer/GP9s/DRGW5933/drgw_5933_denver_co_12_nov_1956_000.jpg.html 41583 DRGW 5933 in Denver, CO, on 12-Nov-1956. Photographer unknown.