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

Third Division

Brigadier General C. S. Hamilton (to 4/30)
Brigadier General Philip Kearney

First Brigade

Brigadier General C. D. Jameson

87th New York Infantry Regiment

Colonel Stephen A. Dodge

57th Pennsylvania Infantry Regiment

Colonel Charles T. Campbell

Colonel Alexander Hays

105th Pennsylvania Infantry Regiment

Colonel Amor A. McKnight

Second Brigade

Brigadier General David B. Birney

3rd Maine Infantry Regiment

4th Maine Infantry Regiment

Colonel Edward J. Riley

Third Brigade

Brigadier General H. G. Berry

2nd Michigan Infantry Regiment

3rd Michigan Infantry Regiment

5th Michigan Infantry Regiment

37th New York Infantry Regiment

Artillery

1st Rhode Island Artilery, Battery E

1st New Jersey Artillery, Battery B

2nd United States Artilery, Battery G