CHATTANOOGA, September 1, 1863-2 a. m.

General POLK:

Enemy reported to have crossed to Trenton in force from Caperton's Ferry. Will you please send me 10 men of your escort at once to go with engineer officers. Have three days' rations cooked and be ready for immediate movement.

Respectfully,

W. W. MACKALL.

HEADQUARTERS ARMY OF TENNESSEE,
Chattanooga, Tenn., September 1, 1863.

Lieutenant-General POLK,

Commanding Corps:

GENERAL: The general commanding desires that you will without delay send a brigade to the position now occupied by the regiment on outpost duty on the other side of Lookout Mountain.

You will likewise send a brigade to a suitable point on the Rossville road this side of Lookout to guard and picket the same. You will direct Major-General Hindman to return to this place at once with his command and assign him an encampment.

The cavalry pickets on the river from the mouth of the Chickamauga to this point have been withdrawn this morning.

I am, general, very respectfully, your obedient servant,

GEORGE WM. BRENT,

Assistant Adjutant-General.

HEADQUARTERS TOP OF MOUNTAIN,
[September 1, 1863]-5 a. m.

[Lieutenant-General POLK:]

I am moving down and going into position in the valley. Wagons still crossing the run.

B. F. CHEATHAM,

Major-General, C. S. Army.

HEADQUARTERS POLK'S CORPS,
Chattanooga, September 1, 1863.

General CHEATHAM:

The lieutenant-general commanding directs that your order Strahl's brigade to take the position now occupied by the regiment on outpost duty on the other side of Lookout Mountain. This brigade will relieve that portion of Smith's brigade on picket duty beyond the mountain. You will likewise order Smith's brigade to a suitable point on the Rossville road this side of Lookout, to guard and picket the same.

Most respectfully, general, your obedient servant,

[THOS. M. JACK,]

Assistant Adjutant-General.