...5th), I learned that a large force of the enemy's cavalry was between Shepherdstown and Leetown. 1 determined at once to attack him, in order to defeat any designs he might have in the direction of Martinsburg . I made dispositions accordingly, concentrating cavalry in his front, and early on the 16th moved Fitz. Lee's brigade down the turnpike towards Shepherdstown, supported by Chambliss, who, though qu...