HEADQUARTERS SECOND ARMY CORPS, Wood Grove, Va., July 20, 1863-8. 45 p. m.

General SLOCUM,
Commanding Twelfth Army Corps:

GENERAL: The rear of the Third Corps train has not yet left Wood Grove. I have halted here. Probably the rear of my train will not leave Wood Grove before 1 p. m.

Very respectfully, general, your obedient servant,

WILLIAM HAYS,

Brigadier-General, Commanding Second Corps.

HEADQUARTERS CAVALRY CORPS, July 20, 1863-8. 45 p. m.

Major-General HUMPHREYS,
Chief of Staff:

GENERAL: I inclose a dispatch just received from General Buford; also a note from the aide, * Thompson, who brought it, giving information that some pontoons and troops were to arrive at Front Royal to-day. This information came in after Buford's note was written. Very respectfully,

A. PLEASONTON,

Major-General, Commanding.

[Inclosure.]

RECTORTOWN, July 20, 1863-5 p. m.

Colonel C. ROSS SMITH:

I have just dispatched the reserve to Manassas Gap, and the First Brigade, with guns, to Chester Gap. I have seen no enemy worth naming; about 40 or 50 of Mosby's, a few of White's, and some stragglers from Jones. I apprehend no trouble at either gap. I was detained longer that I anticipated by having to reconnoiter Ashby's [Gap]. The information I received about Ashby's [Gap] last night was ugly. This morning it was disproved. I will move to-night with Devin and the trains to near Salem. Where shall I go next? My train is empty, save rations. I am, your obedient servant, JNO. BUFORD, Brigadier-General of Volunteers.

CAMP NEAR UNION, VA., July 20, 1863-9 p. m.

General M. C. MEIGS,

Quartermaster-General, U. S. Army, Washington, D. C.:

General Meade wishes you to be informed that from present indications we shall probably be obliged to depend upon the Manassas Gap Railroad, making a temporary depot at White Plains. He desires that that railroad be put in order to White Plains as soon as practicable.

C. G. SAWTELLE,

Lieutenant Colonel, Asst. Chief Quartermaster, Army of the Potomac.

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* Not found.

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