"On the Fourth of July in 1867, the Union Pacific Railroad announced plans to expand their line into the remote mountains of Dakota Territory. They chose a site near Crow Creek Crossing to be their headquarters and named it Cheyenne. Almost immediately, new residents began to arrive: dreamers and schemers, drifters and grifters, good folks and bad. The owners of Union Pacific knew there'd be problems. Between settling disputes, laying down tracks,...