The Wild West provided the setting for some famous battles, but the gunfightat O.K. Corral doesn't hold a candle to the Bone Wars. Following the Civil War, the (Re-)United States turned its attention to the unexplored territoriesbetween the Mississippi and the Pacific. The railroads led the way, and to buildthem we blasted through mountains and leveled valleys and exposed rock thathadn't seen the light of day for millions of years.This is the story...