...newall Jackson west from Frederick City, through Middletown, to recross the Potomac near Sharpsburg, choke the Baltimore & Ohio Railroad, capture Julius White at Martinsburg, and then close in on Harper's Ferry , and be sure not to permit the Union troops of Colonel Miles to escape west or north. McLaws, adding Anderson's division to his own, was to branch off southward from the Middletown road and, keepin...