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Commanded by Brigadier General James B. Ricketts

First Brigade Brigadier General Abram Duryea
97th New York Infantry Regiment Colonel Charles W. Wheelock
104th New York Infantry Regiment Colonel John Rohrbach
105th New York Infantry Regiment Colonel James M. Fuller
107th Pennsylvania Infantry Regiment Colonel Thomas A. Ziegle (died 7/15)
Second Brigade Brigadier General Zealous B. Tower
26th New York Infantry Regiment Colonel William H. Christian
94th New York Infantry Regiment Colonel Adrian R. Root
88th Pennsylvania Infantry Regiment Colonel George P. McLean
90th Pennsylvania Infantry Regiment Colonel Peter Lyle
Third Brigade Brigadier General George L. Hartsuff
12th Massachusetts Infantry Regiment Colonel Fletcher Webster
13th Massachusetts Infantry Regiment Colonel Samuel H. Leonard
9th New York State Militia Colonel John W. Styles
11th Pennsylvania Infantry Regiment Colonel Richard Coulter
 Fourth Brigade Colonel Samuel S. Carroll
7th Indiana Infantry Regiment
84th Pennsylvania Infantry Regiment Colonel Samuel M. Bowman
110th Pennsylvania Infantry Regiment Colonel William D. Lewis
1st West Virginia Infantry Regiment Colonel Joseph Thoburn
Artillery
2nd Maine Battery Captain James A. Hall
5th Maine Battery Captain G. F. Leppien
Battery F, 1st Pennsylvania Lt. Artillery Captain Ezra P. Matthews
Pennsylvania Independent Battery C Captain James Thompson