| Working east toward Denver with a mixed bag, GP40 3057 leads GP40 3054, 3063 and GP35 3048. Lead 3057 was built by EMD in January 1966 and was only five months old at the time. 3057 would be retired in December 1993. It was sold to three different owners between 1995 and 1997 before being rebuilt and sold to Minera Alumbrera in Argentina. |