George G. Meade to Major-General HUMPHREYs, October 18, 1863

October 18, 1863—5 p. m. Major-General HUMPHREYs, Chief of Staff, Army of the Potomac: The pontoon bridge has just been completed at Blackburn’s Ford. I have thrown two regiments as skirmishers three-quarters of a mile beyond the run. They have met nothing, and no enemy is within sight for 2 miles. The cavalry will not be all over by 7 o’clock, if then. The run is not so high as it was yesterday, and is fordable without abridge. One-half of the cavalry iscrossing at a ford above

Blackburn’s Ford. ; G. K. WARREN, Major-General, Commanding Second Corps.

CIRCULAR. HEADQUARTERS ARMY OF THE Potomac, October 18, 1863—10 p. m.

The following movements are ordered for to-morrow, the 19th instant:

1, Major-General Newton, First Corps, will move at 6 a. m. from Centreville, on the Warrenton pike, and take position for the night at Hay Market.

2. Major-General Sedgwick, Sixth Corps, will follow the First Corps, entering the Warrenton pike near Cub Run, commencing ee march at 7 o’clock, and take position for the night at Gainesville.

3. Major-General French, Third Corps, will move from Union Mills at 6 a. m., keeping on the south side of the railroad, and take position on Broad Run near Bristoe.

4, Major-General Warren, Second Corps, will move at 6 a.m. by Mitchell’s and Blackburn’s Fords, keeping on the north side of the railroad, and will take position on Broad Run at Milford.

5. The Reserve Artillery will move on the Warrenton pike, following the Sixth Corps, and camp for the night at Groveton. It will leat the road through Centreville as soon as the First Corps leaves it.

6. Major-General Sykes, Fifth Corps, will move at 6 a. m., and, taking the road south of the Centreville pike, will leave that town on the right, cross Bull Run at Island Ford, pass through New Market to Groveton, and take position there for the night. Strong working parties will precede the column to work on the crossing of Bull Run.

?. The trains at Fairfax Court-House and Station will move to the fords of Bull Run and park there, being covered on the flanks by the cavalry of Generals Buford and Gregg.

8. Hoadauariers will be at Groveton.

By command of Major-General Meade: