...ttanooga, Harker slowly forced it back across the Chickamauga River, at Lee and Gordon's Mills, only eighteen miles from Lafayette. Crittenden was now ordered to the mills, Thomas to Lafayette, and McCook to Summerville, twenty-five miles south of Lafayette; for Rosecrans did not yet believe that the enemy's entire army was there, preparing to assume the offensive. Most happily, Bragg, although cor...