The rear portion of a Union Pacific coal train drops down the two percent grade through South Draw east of Crescent, Colorado, on March 30, 2002. The rear DPU’s are approaching the site of old Tunnel 17, abandoned during construction due to being so unstable, with the train trailing off toward Tunnel 16. In the foreground, the middle part of the train is exiting Tunnel 15 and is entering Tunnel 14.
