...aw's men, McCarthy's battery came into action, and, with the assistance of others, gave Gibson's battery, in the open, serious trouble. McLaws ordered an advance of part of Semmes's brigade, led by Colonel Cummings . This, with the severe artillery fire from the redoubts and guns afield, cleared the open, leaving one of Gibson's guns in the mud, which was secured by McCarthy's men as a trophy of the day's work...