...ithdraw out of the immediate fire of the gunboats, would have been able, before the darkness of night set in, to carry the ridge occupied by Webster's fifty-odd guns, supported by Ammen's brigade of Buell 's army, as also by the remains of Hurlbut's, Stuart's and W. H. Wallace's brigades, and certain other fragmentary commands that had been organized at the river-side by Grant out of the best material ...