A recently-rebuilt EMD SW9, now Union Pacific SW10 No. 1221, switches tracks near the shop that rebuilt the locomotive at Omaha, Nebraska, in July 1981.

Various locomotives await work at Union Pacific’s Omaha Shops in June 1981. UP No. 1221 is a recently rebuilt EMD SW9 that is now labeled an SW10 and was completed only days earlier on May 30, 1... (more)

For a short period UP used yard power on the two locals that operated south out of East LA yard down to the port of Long Beach on the San Pedro Branch. Here, the afternoon "Harbor Local"... (more)