These 50’ steel side, 14 panel, fixed end gondolas with fishbelly sides are black with white lettering and runs on Roller Bearing trucks. Built in 1968 as part of a 50-car series and designated for general service it continued in service through the 1980s. D&RGW was formed in 1870 and operated the highest mainline railroad in the United States through the Colorado Rockies at an altitude of 10,240 feet.