...on's army, the main body of which was in the vicinity of Manassas Junction, Jackson's command was, in some respects, an independent one, as he had assigned to him not only the protection of the lower valley of the Shenandoah , but also the extensive Appalachian country to the northwest that drained into the Potomac, and a long the northeastern border of which ran the Baltimore & Ohio railroad. It was all a region of...