...en obtained even before the demonstration was accomplished. As early as the 8th, Wagner, who was posted on the left bank of the Tennessee, and whose outposts were facing Chattanooga, had informed Rosecrans that the enemy appeared to be evacuating that place. He had immediately directed Crittenden to ascertain the fact. On the 9th, in the morning, Beatty's and Grose's brigades were climbing the accl...