...one piece of artillery for one hour, until Anderson's brigade came up. The other brigades reached me later and all five numbered but 5,000 men But the 40,000 Federals moved cautiously, believing that Longstreet 's corps was there, according to Lee's order, whereas it was fourteen miles off and did not reach the gap until too late to keep the enemy from getting so advantageous a position for the next day's op...