...the Mobile & Ohio Railroad, and also the one leading from Vicksburg to Selma, Alabama. I instructed him to select two good divisions, and to be ready with them to go along. At Memphis I found Brigadier-General W. Sooy Smith , with a force of about twenty-five hundred cavalry, which he had by General Grant's orders brought across from Middle Tennessee, to assist in our general purpose, as well as to punish the rebel Gener...