CITY POINT, VA., August 11, 1864.

Major-General MEADE,

Commanding, &c.:

Has any discovery been made of the points where the enemy seem to be mining? If it can be ascertained nearly where they are running their minis I think it would be well to let them run on without countermining, in hopes of having them attack us, being careful, however, to have at such places a second line in which to keep our men and to establish batteries to sweep any breach that might be made by their explosion.

U. S. GRANT,

Lieutenant-General.

HEADQUARTERS ARMY OF THE POTOMAC,
August 11, 1864 - 3.45 p. m.

Lieutenant-General GRANT:

I am not aware that the enemy's mining operations are positively known at any point. Major-General Warren, some time ago, thought he had detected evidences of their mining on his front, but he subsequently concluded he was mistaken. The arrangements referred to by you of a second line, &c., were at that time made by him.

GEO. G. MEADE,

Major-General.

HEADQUARTERS ARMY OF THE POTOMAC,
August 11, 1864 - 6 p. m.

Lieutenant-General GRANT:

Respectfully forwarded to Lieutenant-General Grant.

GEO. G. MEADE,

Major-General.

HEADQUARTERS ARMY OF THE POTOMAC,
PROVOST-MARSHAL-GENERAL'S DEPARTMENT,

August 11, 1864 - 2.30 p. m.

Major-General HUMPHREYS,

Chief of Staff:

GENERAL: The following deserters have just been forwarded from the headquarters of the Fifth Army Corps, all from Mahone's division of A. P. Hill's corps: Private Crenshaw, Ninth Alabama, Sanders' brigade, came in 9th instant, 12 m. Private Fife, Ninth Alabama, Sanders' brigade, came in 9th instant, 9.30 p. m. Private Hammond, Sixty-fourth Georgia, Wright's brigade, came in 10th instant, 5 a. m. Private Van, Sixty-fourth Georgia, Wright's brigade, came in 10th instant, 5 a. m. Private Wen, Sixty-first Virginia, Weisiger's brigade, came in 9th instant, 12 m. Private Clarke, Eleventh Alabama, Sanders' brigade, came in 10th instant, 3 a. m. Crenshaw states that he heard from a man belonging to his regiment, who had lately seen a man from Orange Court-House, that Kershaw's division, of Longstreet's corps, had passed through Orange Court-House, that Kershaw's division, of Longstreet's corps, had passed through Orange Court-House on the way to the Valley. Cannot give the exact time; it was four or five days ago. Wen states that it is believed in camp that one division of Longstreet's