 Complete the following phrase:  The history of South Mountain defines the early history of western Maryland. It was viewed as a boundary to the Susquehannock in their original treaty granting land to Maryland. In a 1732 letter to the colonial governor of Maryland, Captain Civility Togotolisa chief of Conestoga warns against settlement in the valley beyond the mountain. The first Euromerican land grant west of South Mountain by Maryland was William Parks Park Hall in 1731 near Cramptons gap. The earliest route of the Great Wagon Road crossed South Mountain by Foxs Gap on a course between Middletown and Sharpsburg. Other important passes for migration and settlement were Turners Gap near Boonsboro. Orrs Gap, used today by Interstate 70, and the course of Cartledges Old Road generally following Maryland state route 77. Maryland finally gained clear title to the lands west of South Mountain at the 1744 Treaty of Lancaster. Following the 1859 