WASHINGTON, D. C., September 28, 1864.

Major-General MEIGS,

Quartermaster-General:

General Augur has been directed to send out troops to guard the railroad to the Rappahannock River. Measures will be immediately taken to repair the road to that point. The brigade over the Rappahannock will, however, not be repaired till further orders.

H. W. HALLECK,

Major-General and Chief of Staff.

ORDERS.] HEADQUARTERS MIDDLE MILITARY DIVISION, Harrisonburg, Va., September 28, 1864.

The Sixth Nineteenth Army Corps will move to-morrow morning at 5 o'clock to Mount Crawford, and in the following order; The Sixth Corps moving on the left of the Staunton pike, the Nineteenth Corps on the right of the pike, and the trains on the pike. The Sixth Corps train will move in advance. The corps will move under the direction of Major-General Wright.

By command of Major-General Sheridan:

JAS. W. FORSYTH,

Lieutenant-Colonel and Chief of Staff.

HDQRS. DEPARTMENT OF WASHINGTON, 22ND ARMY CORPS, September 28, 1864.

Brigadier-General DE RUSSY,
Commanding Division:

GENERAL: I have the honor to inform you that eighteen companies of unattached heavy artillery have been relieved from duty in Brigadier-General Hardin's division and direction to report to you. On their arrival the major-general commanding directs that your relieve the Two hundred and twelfth Pennsylvania Volunteers (Sixth Heavy Artillery), and direct for duty to Brigadier General John P. Slough, Military Governor of Alexandria.

Very respectfully, your most obedient servant,

J. H. TAYLOR,

Chief of Staff and Assistant Adjutant-General.

HDQRS. DEPARTMENT OF WASHINGTON, 22ND ARMY CORPS, September 28, 1864.

Brigadier General JOHN P. SLOUGH,

Military Governor of Alexandria:

GENERAL: I am directed by the major-general commanding to inform you that two regiments, the Two hundred and fourth and Two hundred and twelfth Pennsylvania Volunteers (Fifth and Sixth Heavy Artillery), have been this day directed to report for duty to you. On their arrival you will establish them on the Orange and Alexandria Railroad to Bull Run bridge as will in your judgment subserve the purpose of covering that road and protecting the working parties which may