...r rifled guns were brought to the heights, and by 2 p. m. on the 14th, while the battle at Boonsboro gap was raging, and the enemy had penetrated Pleasant valley by Crampton's gap and was marching on McLaws ' rear, Captains Read and Carlton opened their guns on Harper's Ferry and Bolivar heights. Kershaw's work was done and well done, and he was ordered into the valley early on the morning of the 15...