...mainder of his own army was at Jackson, in the rear, so that it could easily be conveyed by rail either to Bolivar or Corinth. The extreme left of Rosecrans extended as far as the Tennessee through Iuka ; it was scattered in small posts, so as to cover the branch of the Corinth and Iuka Railroad, and the road from Eastport to the Tennessee, these being the lines through which Rosecrans had hitherto o...