...red works. At the opening of the assaults on Beauregard's works around Petersburg, thee men holding those works numbered only 5,400. These were gradually, by the arrival of Ransom's brigade and Hoke 's division, and a few other troops, increased to 11,000 effectives. General Grant continually added to the two corps in front until, according to Colonel Roman's figures, at least 90,000 men were p...