WFirst Transcontinental RailroadWC. P. HuntingtonWJohn S. CasementWCentral Pacific RailroadWChin Lin SouWList of Union Pacific Railroad civil engineers (1863–1869)WGolden spikeWGolden Spike National Historical ParkWGov. StanfordWHistory of the Union Pacific RailroadWTheodore JudahWPacific Railroad SurveysWPromontory, UtahWCharles H. SharmanWThousand Mile TreeWTracklaying race of 1869WUnion Pacific Railroad