Utah event celebrates Transcontinental Railroad anniversary

Margaret Yee, whose ancestors helped build the railroad, pose in front of the the Big Boy, No. 4014 during the commemoration of the 150th anniversary of the Transcontinental Railroad completion at Union Station Thursday, May 9, 2019, in Ogden, Utah. Yee, helped tap a ceremonial spike alongside Utah Gov. Gary Herbert and a descendant of Union Pacific’s chief engineer on the project at the event Thursday in Ogden, Utah. (AP Photo/Rick Bowmer)

People pose during the commemoration of the 150th anniversary of the Transcontinental Railroad completion at the Golden Spike National Historical Park Friday, May 10, 2019, in Promontory, Utah. People from all over the country are gathering at a remote spot in Utah to celebrate Friday’s 150th anniversary of the completion of the Transcontinental Railroad. (AP Photo/Rick Bowmer)

Musicians perform during the commemoration of the 150th anniversary of the Transcontinental Railroad completion at the Golden Spike National Historical Park Friday, May 10, 2019, in Promontory, Utah. (AP Photo/Rick Bowmer)

The Jupiter, Central Pacific’s No. 60 arrives for the commemoration of the 150th anniversary of the Transcontinental Railroad completion at the Golden Spike National Historical Park Friday, May 10, 2019, in Promontory, Utah. People from all over the country are gathering at a remote spot in Utah to celebrate Friday’s 150th anniversary of the completion of the Transcontinental Railroad. (AP Photo/Rick Bowmer)

FILE - In this May 10, 1869, file photo, provided by the Union Pacific, railroad officials and employees celebrate the completion of the first railroad transcontinental link in Promontory, Utah. The completion of the Transcontinental Railroad was a pivotal moment in the United States, ushering in a period of progress and expansion nationwide. The Union Pacific’s Locomotive No. 119, right, and Central Pacific’s Jupiter edged forward over the golden spike that marked the joining of the nation by rail. (Andrew Russell/Union Pacific via AP, File)

People re-created the historic photo of the meeting of the rails from May 10, 1869, during the commemoration of the 150th anniversary of the Transcontinental Railroad completion at the Golden Spike National Historical Park Friday, May 10, 2019, in Promontory, Utah. (AP Photo/Rick Bowmer)

People re-created the historic photo of the meeting of the rails from May 10, 1869, during the commemoration of the 150th anniversary of the Transcontinental Railroad completion at the Golden Spike National Historical Park Friday, May 10, 2019, in Promontory, Utah. (AP Photo/Rick Bowmer)

PROMONTORY, Utah — Music, bells and cannon fire rang out Friday at a remote spot in the Utah desert where the final spikes of the Transcontinental Railroad were hammered 150 years ago, uniting a nation long separated by vast expanses of desert, mountains and forests and fresh off the Civil War.