...e campaign having come to an untimely stop at Knoxville, Dana and I concluded to return to Chattanooga by the route we had just marched over, and on the way down had the company of Generals Blair and Schurz . As we travelled rapidly, Dana's horse gave out the second day, and as Longstreet's command had swept the country clear of everything fit for a remount, I asked Blair to let Dana have a led horse o...