Breaking the Appalachian Barrier: Maryland as the Gateway to Ohio and the West, 1750-1850

In 1750 the Appalachian Mountains were a formidable barrier between the British colonies in the east and French territory in the west, passable only on foot or horseback. It took more than a century to break the mountain barrier and open the west to settlement.

In 1751 a private Virginia company pioneered a road from Maryland to Ohio, challenging the French and Indians for the Ohio country. Several wars stalled the road, which did not start in earnest until after Ohio became a state in 180...