...mpaigns under Gen. D. H. Hill he was distinguished for the successful management of a reconnoissance in force fifteen miles in advance of the Confederate lines; and in command of the sharpshooters of Longstreet 's corps in the Chattanooga and Knoxville campaigns, he gained new laurels as a daring and active leader. He commanded the advance guard which Longstreet organized to push Burnside back toward Knoxv...