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Commanded by Major General C. C. Augur

Defences North of the Potomac Brigadier General Martin D. Hardin
First Brigade Major G.S. Worcaster (to 11/10)
Colonel C.H. Long
Massachusetts Heavy Artillery, 4 Cos.
New Hampshire Heavy Artillery Cos. C-K from Portsmouth NH
13th Michigan Independent Battery
2nd United States Artillery, Battery I to Fort Foote
3rd United States Artillery, Battery G to Fort Foote
4th United States Artillery, Battery A
Second Brigade Colonel H.G. Thomas (to 5/16)
Major J.A.P. Allen
3rd Massachusetts Heavy Artillery
14th Michigan Independent Battery  
New Hampshire Heavy Artillery Company A to Portsmouth
New Hampshire Heavy Artillery Company L
Third Brigade Lieutenant Colonel J.H. Oberteuffer
Massachusetts Heavy Artillery, 3 Cos.
Fort Foote
13th Michigan Independent Battery to 1 Brig. (above)
New Hampshire Heavy Artillery Company B
2nd United States Artillery, Battery I from 1 Brig. (above)
3rd United States Artillery, Battery G from 1 Brig. (above)
Defences South of the Potomac Brigadier General Gustavus A. DeRussy
First Brigade Colonel J.N.G. Whistler
Massachusetts Heavy Artillery
1st New York Artillery, Battery K
Pennsylvania Battalion (2 Cos.) mustered out
1st Pennsylvania Artillery, Battery H
1st United States Artillery, Battery E
2nd United States Artillery, Battery G
Second Brigade Colonel James Brady
Massachusetts Heavy Artillery, 6 Cos.
6th Pennsylvania Heavy Artillery Colonel Charles Barnes armed as infantry
Third Brigade Lieutenant Colonel I. McL. Barron (to 11/12)
Lieutenant Colonel James Brady
16th Indiana Battery
Maryland Artillery, Battery D
4th Massachusetts Heavy Artillery from 1 Brig. (above)
1st New York Artillery, Battery F
Pennsylvania Independent Battery I Captain Robert J. Nevin
1st West Virginia Artillery, Battery C
1st Wisconsin Heavy Artillery, Bat. A Colonel Charles C. Meservey
District of Washington Colonel M. N. Wisewell
150th Pennsylvania Infantry, Co. K Captain David Derickson Lincoln’s Bodyguard
1st Brigade Colonel G. W. Gile
1st Regiment Veteran Reserve Corps Colonel R.H. Rush
4th Regiment Veteran Reserve Corps Colonel M.N. Wisewell
6th Regiment Veteran Reserve Corps
7th Regiment Veteran Reserve Corps
9th Regiment Veteran Reserve Corps Colonel G.W. Gile
10th Regiment Veteran Reserve Corps
18th Regiment Veteran Reserve Corps
19th Regiment Veteran Reserve Corps
21st Regiment Veteran Reserve Corps
22nd Regiment Veteran Reserve Corps
24th Regiment Veteran Reserve Corps Colonel W.H. Browne
District of Alexandria Brigadier General John P. Slough
1st District of Columbia Infantry Regiment
2nd District of Columbia Infantry Regiment Colonel Charles M. Alexander
26th Michigan Infantry, Company F
201st Pennsylvania Infantry Regiment Colonel F. Asbury Awl
202nd Pennsylvania Infantry Regiment Colonel Charles Albright to 1 Sep. Brig. (below)
5th Pennsylvania Heavy Artillery Colonel George S. Gallupe to 1 Sep. Brig. (below)
Pennsylvania Independent Battery H Captain William Borrowe to Camp Barry (below)
12th Regiment Veteran Reserve Corps Colonel A. Farnsworth
St. Mary’s Point District Brigadier General James Barnes
5th Massachusetts Cavalry Regiment
2nd Wisconsin Battery
Independent Cavalry Brigade Colonel H.M. Lazelle
Colonel H. S. Ganzevoort
13th New York Cavalry (Companies A-F) Lieutenant Colonel Henry S. Gansevoort to 1 Separate Brig. (below)
16th New York Cavalry (Companies A-D) to 1 Separate Brig. (below)
First Separate Brigade Colonel William Gamble
created Nov. 1864
8th Illinois Cavalry Regiment from 2 Brig. 3 Div. Cav. Corps, Army Potomac
16th Massachusetts Battery from Camp Barry (below)
13th New York Cavalry (Companies A-F) Lieutenant Colonel Henry S. Gansevoort from Ind. Cav. Brig. (above)
16th New York Cavalry (Companies A-D) from Ind. Cav. Brig. (above)
5th Pennsylvania Heavy Artillery Colonel George S. Gallupe from Dist. Alexandria (above)
202nd Pennsylvania Infantry Regiment Colonel Charles Albright from Dist. Alexandria (above)
Light Artillery Camp (Camp Barry) Major J.A. Hall
16th Massachusetts Battery to 1 Separate Brig. (above)
Pennsylvania Independent Battery H Captain William Borrowe from Dist. Alexandria
1st Rhode Island Artillery, Battery C from Army Potomac, 6 Corps Art.
1st Rhode Island Artillery, Battery G from Army Potomac, 6 Corps Art.
1st United States Artillery, Batteries A&F from New York
3rd United States Artillery, Battery I
3rd United States Artillery, Battery L
4th United States Artillery, Battery A
5th United States Artillery, Battery I