Major General Joseph King Mansfield

Major General Henry Warner Slocum

Division Commanders of the 12^th Corps

First Division, Brigadier General Alpheus Starkey Williams, Brevet Major General

          First Brigade:

          Brigadier General, Brevet Major General Samuel Wylie Crawford 

          Colonel, Brigadier General Joseph Farmer Knipe

          Colonel Archibald L. McDougall


          Second Brigade:

          Brigadier General Henry Hayes Lockwood

          Colonel Samuel Ross


          Third Brigade:

          Colonel Silas Colgrove

          Brigadier General, Brevet Major General George Henry Gordon

          Major General Thomas Howard Ruger

 
Second Division, Major General John White Geary

          First Brigade:

          Colonel Charles Candy

          Major Orrin J. Crane

          Lieutenant Colonel, Brevet Major General Hector Tyndale

          
          Second Brigade:

          Colonel, Brevet Brigadier General George Ashworth Cobham, Jr.

          Brigadier General, Brevet Major General Thomas Leiper Kane

          Colonel Henry Stainrook


          Third Brigade:

          Lieutenant Colonel Jonathan Austin

          Colonel William Bingham Goodrich

          Brigadier General, Brevet Major General George Sears Greene