About two o'clock
Gen. Sleman now moved rapidly to Gen. Ward 's left . Scovens remained in his position of the last night . Wellston moved to the enemy 's rear and drew up his line across one of the Franktown roads . `` About two o'clock one brigade of Ward 's Corps , supported by Sleman 's division , assaulted Overton 's Hill , which was the enemy 's center . One of Sleman 's brigades was composed of colored troops . The ground over which they had to assault was open . The enemy re-enforced his center .