Rescue by Rail: Troop Transfer and the Civil War in the West, 1863

Between 23 and 25 September, 1863 the Eleventh and Twelfth Corps of the Army of the Potomac were sent across the Appalachians to strengthen Union troops in the struggle for supremacy in Eastern Tennessee. This is the story of that Federal troop movement by rail and of the corresponding Confederate transfer of General James Longstreet's troops.