U.S. Army - Army of the Potomac

Third Army Corps

Major General William H. French

First Division

Maj. Gen. David Birney

1st Brigade

Colonel H. J. Madill

Colonel C. H. T. Collis

2nd Brigade

Bde. Gen. J. H. H. Ward

Lt. Colonel L. D. Carver

3rd Brigade

Colonel Regis De Trobriand

Second Division

Bde. Gen. Henry Prince

1st Brigade

Bde. Gen. J. B. Carr

2nd Brigade

Colonel J. E. Farnum (to 8/10)

Colonel W. R. Brewster (after 8/10)

3rd Brigade Bde

Colonel G. C. Burling (until 8/29)

Bde. Gen. Gershom Mott (after 8/29)

Third Division

Bde. Gen. W. L. Elliott

1st Brigade

Colonel W. H. Morris

2nd Brigade

Colonel J. W. Keiffer (unitil 8/14)

Colonel J. W. Horne (after 8/14)

3rd Brigade

Colonel B. F. Smith (until 8/28)

Colonel J. W. Schall (after 8/28)

Artillery

4th Maine Battery

10th Massachusetts Battery

1st New Jersey Artillery, Battery B

1st New York Artillery, Battery D

12th New York Independent Battery

Keystone Pennsylvania Battery

mustered out

1st Rhode Island Artillery, Battery E

4th United States Artillery, Battery K