Provost Guard
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| 12th New York Infantry, Cos. D&F | 
Major Henry W. Ryder | 
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First Division
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Brigadier General Charles Griffin (to 7/21) 
Brigadier General J. J. Bartlett 
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| First Brigade | 
Colonel W. S. Tilton | 
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| 121st Pensylvania Infantry Regiment  | 
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| 142nd Pensylvania Infantry Regiment  | 
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| 143rd Pensylvania Infantry Regiment  | 
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| 149th Pensylvania Infantry Regiment  | 
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| 150th Pensylvania Infantry Regiment  | 
Colonel H. S. Huidekoper | 
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| 187th Pensylvania Infantry Battalion | 
Lieutenant Colonel Joseph F. Ramsey | 
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| Second Brigade  | 
Colonel Jacob B. Sweitzer (to 7/3) 
Colonel E. M. Gregory 
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| 22nd Massachusetts Infantry Regiment  | 
Colonel William S. Tilton | 
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| 32nd Massachusetts Infantry Regiment | 
Lieutenant Colonel Luther Stephenson | 
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| 62nd Pennsylvania Infantry Regiment | 
Captain William P. Maclay | 
left front to muster out 7/3 | 
| 91st Pensylvania Infantry Regiment | 
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| 155th Pensylvania Infantry Regiment | 
Colonel Alfred L. Pearson | 
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| 21st Pennsylvania Cavalry (Dismounted) | 
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| Third Brigade  | 
Brigadier General J. J. Bartlett (to 7/20) 
Colonel Norval E. Welch 
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| 20th Maine Infantry Regiment | 
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| 18th Massachusetts Infantry Regiment | 
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| 1st Michigan Infantry Regiment | 
Lieutenant Colonel William A. Throop | 
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| 16th Michigan Infantry Regiment | 
Lieutenant Colonel Norval E. Welch | 
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| 44th New York Infantry Regiment | 
Lieutenant Colonel Freeman Conner | 
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| 83rd Pennsylvania Infantry Regiment | 
Major William H. Lamont | 
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| 118th Pennsylvania Infantry Regiment | 
Lieutenant Colonel James Gwynn | 
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Second Division 
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Brigadier General Romeyn B. Ayres | 
| First Brigade | 
Brigadier General Joseph Hayes | 
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| 146th New York Infantry Regiment  | 
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mustered out 7/16 | 
| 91st Pennsylvania Infantry Regiment  | 
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from 2 Brig. (below) | 
| 155th Pennsylvania Infantry Regiment  | 
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from 2 Brig. (below) | 
| 2nd United States Infantry Regiment  | 
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| 10th United States Infantry Regiment  | 
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| 11th United States Infantry Regiment  | 
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| 12th United States Infantry Regiment  | 
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| 17th United States Infantry Regiment  | 
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| Second Brigade | 
Colonel Nathan T. DuShane | 
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| 1st Maryland Infantry Regiment | 
Lieutenant Colonel John W. Wilson | 
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| 4th Maryland Infantry Regiment | 
Colonel Richard N. Bowerman | 
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| 7th Maryland Infantry Regiment | 
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| 8th Maryland Infantry Regiment | 
Colonel Andrew W. Denison | 
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| Purnell Legion Maryland Infantry | 
Colonel Samuel A. Graham | 
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| 91st Pennsylvania Infantry Regiment  | 
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to 1 Brig. (above) | 
| 155th Pennsylvania Infantry Regiment  | 
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to 1 Brig. (above) | 
| Third Brigade | 
Colonel J. Howard Kitching | 
| 6th New York Heavy Artillery | 
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| 15th New York Heavy Artillery | 
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Third Division
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Brigadier General Samuel W. Crawford 
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| First Brigade | 
Colonel Peter Lyle | 
| 16th Maine Infantry Regiment | 
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| 13th Massachusetts Infantry Regiment | 
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mustered out 8/1 | 
| 39th Massachusetts Infantry Regiment | 
Colonel P. Stearns Davis | 
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| 104th New York Infantry Regiment | 
Colonel Gilbert G. Prey | 
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| 90th Pennsylvania Infantry Regiment | 
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| 107th Pennsylvania Infantry Regiment | 
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| Second Brigade | 
Brigadier General Henry Baxter 
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| 94th New York Infantry Regiment | 
Lieutenant Colonel Samuel Moffett | 
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| 97th New York Infantry Regiment | 
Colonel Charles Wheelock | 
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| 11th Pennsylvania Infantry Regiment | 
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| 88th Pennsylvania Infantry Regiment | 
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| Third Brigade | 
Colonel James Carle (to 7/26) 
Colonel William Hartshorne 
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| 190th Pensylvania Infantry Regiment  | 
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| 191st Pensylvania Infantry Regiment  | 
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Fourth Division
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Brigadier General Lysander Cutler 
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| First Brigade (“Iron Brigade”)  | 
Colonel Edward S. Bragg  | 
| 7th Indiana Infantry Regiment  | 
Colonel Ira G. Grover | 
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| 19th Indiana Infantry Regiment  | 
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| 24th Michigan Infantry Regiment  | 
Colonel Henry A. Morrow | 
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| 1st New York Sharpshooter Battalion | 
Captain Volney J. Shipman | 
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| Independent Battalion Wisconsin Volunteers | 
Captain Dennis B. Daily | 
formerly 2 Wis. | 
| 6th Wisconsin Infantry Regiment  | 
Lieutenant Colonel John Mansfield | 
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| 7th Wisconsin Infantry Regiment  | 
Major Mark Finnicum | 
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| Second Brigade | 
Colonel J. W. Hoffman | 
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| 3rd Delaware Infantry | 
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| 4th Delaware Infantry | 
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| 46th New York Infantry Regiment  | 
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| 76th New York Infantry Regiment  | 
Major John W. Young | 
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| 95th New York Infantry Regiment  | 
Major Edward Pye | 
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| 147th New York Infantry Regiment  | 
Major George Harney | 
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| 56th Pennsylvania Infantry Regiment  | 
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| 157th Pennsylvania Infantry Regiment  | 
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Artillery
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Captain Augustus P. Martin | 
| 3rd Massachusetts Battery | 
Lieutenant Aaron F. Walcott | 
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| 5th Massachusetts Battery | 
Captain Charles A Phillips | 
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| 9th Massachusetts Battery | 
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| 1st New York Artillery, Battery B | 
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| 1st New York Artillery, Battery C | 
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| 1st New York Artillery, Battery D | 
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| 1st New York Artillery, Battery E | 
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| 1st New York Artillery, Battery H | 
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| 1st New York Artillery, Battery L | 
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| 15th New York Independent Battery | 
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| 1st Pennsylvania Artillery, Battery B | 
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| 4th United Artillery, Battery B | 
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| 5th United Artillery, Battery D | 
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