(Leah Hogsten | The Salt Lake Tribune) Margaret Yee poses for pictures next to the ceremonial spike on Thursday. Yee's ancestors were among thousands of Chinese immigrants who forged the transcontinental railroad for Central Pacific. In celebration for the 150th anniversary of the transcontinental railroadÕs completion, Union Pacific's iconic steam locomotives, Living Legend No. 844 and Big Boy No. 4014 met at Ogden Union Station, May 9, 2019.