...w held at Kenesaw Mountain. During this time the labors of the engineers were confined to reconnoitering, road making, and bridge building. Pontoon bridges had been built over the Oostenaula, at Resaca , at Lay's Ferry, and two flat-boat bridges over the Coosawattee; also pontoon bridges over the Etowah River at the cliffs. The enemy showed little disposition to yield his stronghold at Kenesaw....