...tion in two columns, ravaging the country as he moved, until Pontotoc was closely approached, when his advance was checked by General Chalmers, Forrest meanwhile making preparations for a battle near Okolona . Gen. S. D. Lee was also with the forces, and assumed general command. Three attempts of the enemy to advance were checked by Lyon, McCulloch and Duff, on various roads, and on July 12th the Fede...