...e River, above Chattanooga, to the river at and below the point of Lookout Mountain, below Chattanooga, with the south bank of the river picketed to near Bridgeport, his main force being fortified in Chattanooga valley , at the foot of and on Missionary Ridge and Lookout Mountain, and a brigade in Lookout valley. True, we held possession of the country north of the river, but it was from sixty to seventy miles, ov...