CHEYENNE, Wyo. — The world's largest steam engine is coming back to Colorado. Union Pacific will bring Big Boy No. 4014 through Colorado from Monday, Oct. 21, to Wednesday, Oct. 23, on its ...
Union Pacific's Big Boy No. 4014 will depart from Denver Union Station back to the locomotive's home base in Cheyenne, ending the locomotive's "Heartland of America Tour." Big Boy No. 4014 will ...
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