Southern Pacific CSUX coal empties climb through the “double loops” at Crater, Colorado, on the afternoon of July 30, 1996. The head end has lone SP No. 298, while the mid-train DPUs (out of v... (more)

A view of a CSUX coal empty climbing through the “double S curves” at Crater, Colorado, on the afternoon of July 30, 1996. The head end has lone SP No. 298, while the mid-train DPUs are Nos. 2... (more)

A SP CSUX coal empty climbs through the double loops at Crater, Colorado. Common on SP’s newly operating DPU-equipped trains at the time, a lone No. 298 is on the head end, while the mid-train D... (more)