In this March 14, 2014 photo, Ed Dickens Jr., senior manager of heritage operations for the Union Pacific Railroad, describes maintenance work on Union Pacific No. 844, a restored steam locomotive,

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In this March 14, 2014 photo, Ed Dickens Jr., senior manager of heritage operations for the Union Pacific Railroad, describes maintenance work on Union Pacific No. 844, a restored steam locomotive, at the railroad’s steam shop in Cheyenne, Wyo. Dickens will oversee the restoration of another locomotive, Union Pacific Big Boy 4014, one of the largest steam locomotives ever built. (AP Photo/Dan Elliott)

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Associated Press
Tue, Apr 15, 2014 5:14 PM EDT