He was attended by his staff, composed of General G.W.Cullum, U.S.
Engineers, as his chief of staff; Colonel George Thom, U.S.
Engineers; and Colonels Kelton and Kemper, adjutants-general.

It soon became manifest that his mind had been prejudiced by the rumors which had gone forth to the detriment of General Grant; for in a few days he issued an order, reorganizing and rearranging the whole army.

General Buell's Army of the Ohio constituted the centre; General Pope's army, then arriving at Hamburg Landing, was the left; the right was made up of mine and Hurlbut's divisions, belonging to the old Army of the Tennessee, and two new ones, made up from the fragments of the divisions of Prentiss and C.F.

Smith, and of troops transferred thereto, commanded by Generals T.W.
Sherman and Davies.

General George H.Thomas was taken from Buell, to command the right.