...gstreet halted him. He was held back for about an hour, during which Hood's second line was sent in, and both lines suffered severely. Then McLaws advanced both lines of his right wing, Kershaw and Semmes ; and, after a further interval of at least 20 minutes (long enough to cause severe loss to Kershaw's exposed left), Barksdale and Wofford followed. There were thus four partial attacks of two briga...