The American Frontier Era - Historical Era
Ch1.The Shape of the Land Before Settlement
Ch2.First Crossings and the Corps of Discovery
Ch3.Fur Trade and Mountain Men
Ch4.Trails Westward and the Great Migration
Ch5.Gold, Silver, and the Mining Frontier
Ch6.Cattle Country and the Open Range
Ch7.Rails, Wire, and the Shrinking Distance
Ch8.Closing the Frontier and Its Aftermath