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

Third Division

Major General David B. Birney

First Brigade

Colonel Thomas W. Egan (until 4/20)

Bde. Gen. J. H. H. Ward (after 4/20)

20th Indiana Infantry Regiment

40th New York Infantry Regiment

Lt. Colonel Augustus Warner (until 4/20)

Colonel Thomas W. Egan (after 4/20)

86th New York Infantry Regiment

124th New York Infantry Regiment

99th Pennsylvania Infantry Regiment

110th Pennsylvania Infantry Regiment

141st Pennsylvania Infantry Regiment

3rd Maine Infantry Regiment

2nd United States Sharpshooters

Second Brigade

Bde. Gen. Alexander Hays

4th Maine Infantry Regiment

17th Maine Infantry Regiment

3rd Michigan Infantry Regiment

5th Michigan Infantry Regiment

93rd New York Infantry Regiment

57th Pennsylvania Infantry Regiment

63rd Pennsylvania Infantry Regiment

105th Pennsylvania Infantry Regiment

1st United States Sharpshooters