The Rout Is On: The Confederates kept Rosecrans’ army on its heels throughout the afternoon fighting September 19 (Map 4) and used attacks by Generals Polk and Longstreet the next morning (Map 5) to bring Bragg to the brink of a complete rout. Maj. Gen. George Thomas’ stand on Horseshoe Ridge (Map 6) gave the Federals enough time to allow many of Rosecrans’ frantically retreating forces to reach safety in Chattanooga to the north. (Map Graphics © DFL Group 2018)