...f these two divisions, with some fresh levies, amounting to 58,000 men, under McCook, Gilbert and Crittenden, as his corps commanders, began rapidly to concentrate near Perryville. McCook by way of Mackville ; Gilbert by way of Springfield, and Crittenden by way of Lebanon. On October 8, Withers' Division, about 5,000 men, had been detached, and ordered to make a junction with Kirby Smith not far from...