After the completion of the first transcontinental railroad in 1869, the rest of the country was up for grabs, and the race was on. The prize: a better, shorter, less snowy route through the corridors of the American Southwest, linking Los Angeles to Chicago. In his book, Borneman examines the sectional rivalries, contested routes, political posturing, and ambitious business dealings that unfolded as an increasing number of lines pushed their way...