article: Battle of Harpers Ferry
links: Army of the Potomac Confederate States of America Battle of Antietam Robert E. Lee American Civil War Army of Northern Virginia Union Army Maryland Campaign Flanking maneuver Washington County, Maryland Stonewall Jackson United States Virginia Field artillery in the American Civil War Major General Harpers Ferry, West Virginia West Virginia Dixon S. Miles Shenandoah Valley Colonel (United States) Jefferson County, West Virginia Confederate Army George B. McClellan Maryland Confederate States Army Sharpsburg, Maryland Loudoun County, Virginia Shenandoah River