U.S. Army - Army of the Potomac

Third Army Corps

Major General Daniel Sickles (w 7/2)

Major General David B. Birney (7/2 - 7/7)

Major General William H. French (after 7/7)

First Division

Maj. Gen. David Birney (except 7/2 - 7/7)

Bde. Gen. J. H. H. Ward (7/2 - 7/7)

1st Brigade

Brigadier General C. K. Graham (7/1 -7/2)

Colonel A. H. Tippin (7/2 - 7/3)

Colonel H. J. Madill (after 7/3)

2nd Brigade

Bde. Gen. J. H. H. Ward (except 7/2 - 7/7)

Colonel Hiram Berdan (7/2 - 7/7)

3rd Brigade

Colonel Regis De Trobriand

Second Division

Maj. Gen. A. A. Humphreys (until 7/9)

Bde. Gen. J. B. Carr (7/9 - 7/10)

Bde. Gen. Henry Prince (after 7/10)

1st Brigade

Bde. Gen. J. B. Carr

2nd Brigade

Colonel W. R. Brewster (to 7/11)

Brigadier General F. B. Spinola (7/11 - 7/23)

Major Thomas Rafferty (7/23 - 7/24)

Colonel J. E. Farnum

3rd Brigade

Colonel G. C. Burling

Third Division

Bde. Gen. W. L. Elliott

reorganized 7/10

1st Brigade

Colonel W. H. Morriss

2nd Brigade

Colonel J. W. Keiffer

3rd Brigade

Colonel B. F. Smith

Artillery

4th Maine Battery

from 8th Corps, French's Div.

10th Massachusetts Battery

from 8th Corps, French's Div.

1st New Jersey Artillery, Battery B

Captain A. Judson Clark

1st New York Artillery, Battery D

Captain George B. Winslow

4th New York Independent Battery

Captain James E. Smith

to Artillery Reserve, 1st Volunteer Bde.

10th New York Independent Battery

to Artillery Reserve, 1st Volunteer Bde.

12th New York Independent Battery

from 22nd Corps, Camp Berry

Keystone Pennsylvania Battery

from 22nd Corps, Camp Berry

1st Rhode Island Artillery, Battery E

4th United States Artillery, Battery K

Lieutenant Francis W. Seeley (w 7/2)

2nd Lieutenant Robert James