Conococheague and Potomac Streets, Doubleday Hill, Springfield Farm, the C&O Canal--these names conjure up images of Williamsport, Maryland. The first settlement in what was to become Washington County was located here in the heart of the Cumberland Valley in the late 1730s. This small trading post, set amid local Native American tribes, formed the basis of the town of Williamsport. Gen. Otho Holland Williams, a Revolutionary War hero from the region,...