U.S. Army - Army of the Potomac - Second Army Corps

Second Division

Brigadier General W. Harrow (until 8/15)

Brigadier General A. S. Webb (after 8/15)

First Brigade

Colonel F. E. Heath (until 8/28)

Colonel DeWitt C. Baxter (after 8/28)

19th Maine Infantry Regiment

15th Massachusetts Infantry Regiment

1st Minnesota Infantry Regiment

82nd New York Infantry Regiment

Second Brigade

Bde. Gen. Alexander Webb (until 8/15)

Lt. Colonel W. L. Curry (after 8/15)

69th Pennsylvania Infantry Regiment

71st Pennsylvania Infantry Regiment

72nd Pennsylvania Infantry Regiment

106th Pennsylvania Infantry Regiment

Third Brigade

Colonel J. E. Mallon

19th Massachusetts Infantry Regiment

20th Massachusetts Infantry Regiment

7th Michigan Infantry Regiment

42nd New York Infantry Regiment

59th New York Infantry Regiment