Influenced both by the Gold Rush and the Civil War, America came to realize that a link to the far West was vital. In the mid-1800s, the Union Pacific railroad company, along with their rival, the Central Pacific company, raced to cover the most ground before meeting at Promontory Summit, Utah in 1869. Blumberg vividly evokes the people, places, danger and perseverance surrounding an American milestone. Over 70 period illus. Young Adult.