HEADQUARTERS JOHNSON'S DIVISION,
Petersburg, Va., August 10, 1864.

COLONEL: The usual amount of picket-firing was kept up yesterday. The mortar fire has slackened. General Gracie reports that the enemy shelled his line with only two mortars yesterday evening, where they have usually used five. The fire from artillery was weak. Commanding officers of Wise's and Ransom's brigades report no perceptible change in position or strength of the enemy. The enemy are erecting a battery on the line in front of Wise's brigade, which will bear on Wright's battery. Colonel Goode reports that his sharpshooters have annoyed the working parties very much.

The following casualties are respectfully submitted: Ransom's brigade, wounded, 3; Wise's brigade, wounded, 2 (1 mortally), Elliott's brigade, wounded, 1; Gracie's brigade, wounded, 1; total, 7 wounded.

Very respectfully, &c.,

B. R. JOHNSON,

Major-General.

Colonel G. W. BRENT, Assistant Adjutant-General.

HEADQUARTERS JOHNSON'S DIVISION,
Petersburg, August 11, 1864.

COLONEL: There is nothing of interest to communicate this morning. Mortar and picket firing has been kept up about as usual. Commanding officers of Ransom's and Wise's brigades report that no change has been observed in the position or strength of the enemy. They are strengthening the heavy battery in the orchard. Listening tubes have been sunk at small intervals along the lines. Water has been found in all instances, varying from seventeen to twenty-five feet below the surface.

The following casualties are respectfully submitted: Ransom's brigade, wounded, 3; Wise's brigade, wounded, 3 (1 mortally); Elliott's brigade, killed 1; total, 1 killed, 6 wounded.

Respectfully, your obedient servant,

B. R. JOHNSON,

Major-General.

Colonel G. W. BRENT, Assistant Adjutant-General.

HEADQUARTERS JOHNSON'S DIVISION,
Petersburg, Va., August 12, 1864.

COLONEL: Nothing of importance has occurred since last return. Picket and mortar fire has been about as usual. Colonel McAfee, commanding Ransom's brigade, reports that the enemy are throwing out obstructions in front of their second line, which seems to be very strong. All work is progressing rapidly. No change has been noticed in the position or strength of the enemy.

The following casualties are respectfully submitted: Ransom's brigade, wounded 3 (1 mortally). Gracie's brigade, killed, 1;wounded, 1. Elliott's brigade, killed 1; wounded, 1. Total, 2 killed, 5 wounded.

Respectfully, your obedient servant,

B. R. JOHNSON,

Major-General.

Colonel G. W. BRENT, Assistant Adjutant-General.