Copy of photograph of the first Union Pacific locomotive to arrive in Cheyenne, Wyoming Territory, in 1867, which was a small work engine

Track-laying crews completed the Union Pacific Railroad line leading into Cheyenne on Nov. 13, 1867. The Union Pacific's chief engineer, Grenville Dodge, laid out the townsite and selected the location for locomotive shops. The following March, the UP board of directors selected the town as the location for a major depot and repair shops, ensuring Cheyenne's future as an important railroad town.