U.S. Army -22nd Army Corps - Department of Washington

Defences South of the Potomac

Brigadier General G. A. DeRussy

First Brigade

Colonel J.N.G. Whistler

Massachusetts Heavy Artillery,
Cos. 3, 15 & 18

Massachusetts Heavy Artillery,
Cos. 16-17, 19-21, 24, 26-27 & 29-30

from Massachusetts

1st New York Artillery, Battery K

from 2nd Bde. (below)

1st Pennsylvania Artillery, Battery H

Pennsylvania Battalion (2 Cos.)

1st Rhode Island Artillery, Battery H

to Dept. Va. & N.C., Defences City Point

1st United States Artillery, Battery E

2nd United States Artillery, Battery G

Second Brigade

Lt. Colonel James Brady

14th Co. Massachusetts Heavy Artillery

from 3rd Bde. (below)

Massachusetts Heavy Artillery, 18th, 22nd, 23rd, 25th & 28th Companies

from Massachusetts

1st New York Artillery, Battery K

to 1st Bde. (above)

74th Pennsylvania Infantry Regiment

to Dept. W.V. Reserve Div.

Third Brigade

Colonel W.H.H. Beadle (to 10/20)

Lt. Colonel I. McL. Barron

16th Indiana Battery

Maryland Artillery, Battery D

from 4th Bde. (see below)

1st New Hampshire Heavy Artillery

Lt. Colonel I. McL. Barron

from New Hampshire

1st New York Artillery, Battery F

4th New York Heavy Artillery

Colonel J.C. Tidball

2nd Pennsylvania Heavy Artillery (det)

from Pennsylvania

Pennsylvania Independent Battery I

3rd Veteran Reserve Corps

to 1st Bde. Veteran Reserve Corps

1st West Virginia Artillery, Battery C

from 4th Bde. (below)

1st Wisconsin Heavy Artillery, Bat. F

from Wisconsin

Fourth Brigade

Colonel A. Farnsworth (to 10/6)

Colonel C.C. Meservey

Maryland Artillery Battery D

to 3rd Bde. (above)

10th New York Heavy Artillery

from Dept. Shenandoah, Kitching's Div.

1st West Virginia Artillery, Battery C

to 3rd Bde. (above)

1st Wisconsin Heavy Artillery, Bat. A

Colonel C.C. Meservey