...ne to the rear of Ransom's brigade, which was at least half an hour after the explosion, he began to fire, and shot six hundred balls into the divisions of Potter, Wilcox and Ferrero, which succeeded Ledlie 's division. These guns were the only ones on our lines which, besides enfilading the enemy at close range, could also fire on the crater and part of our lines. Major Gibbes, who had only one gu...