The African Americans of Sewickley Valley have a history as rich and deep-rooted as the valley itself. Originally pioneered by Quakers and abolitionists sentimental to the cause of enslaved men, Sewickley is noted for containing routes and safe houses for those on the Underground Railroad. Known as an affluent bedroom community, Sewickley is considered the wealthiest municipality along the entire 98-mile stretch of the Ohio River. Early residents...