| Defences North of the Potomac |
Lieutenant Colonel Joseph A. Haskins |
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| First Brigade |
Colonel August A. Gibson |
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| 2nd Pennsylvania Heavy Artillery |
Colonel August A. Gibson |
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| 1st Vermont Heavy Artillery |
Colonel James M. Warner |
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| Second Brigade |
Colonel Lewis O. Morris |
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| 1st Maine Heavy Artillery |
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| 7th New York Heavy Artillery |
Colonel Lewis O. Morris |
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| 9th New York Heavy Artillery |
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| 9th New York Independent Battery |
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| Third Brigade |
Colonel A. Piper |
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| 10th New York Heavy Artillery |
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| Defences South of the Potomac |
Brigadier General Gustavus A. DeRussy
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| First Brigade |
Colonel T. R. Tannatt
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| 1st Massachusetts Heavy Artillery |
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| 2nd New York Heavy Artillery |
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5th New York Heavy Artillery,
Companies I,K,L&M |
|
to Dept. WV, 1 Div. Art. |
| Second Brigade |
Colonel L. Schirmer
Colonel L. Schamberger
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|
19th Connecticut Infantry Regiment/
2nd Connecticut Heavy Artillery |
Colonel Leverette Wessells |
redesignated 11/23 |
| 3rd New York Heavy Artillery Battalion |
Lieutenant Colonel Adam Senges |
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| Third Brigade |
Colonel H. L. Abbot (to 11/5)
Colonel J.C. Tidball
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| 1st Connecticut Heavy Artillery |
Colonel Henry L. Abbott |
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| 1st Wisconsin Heavy Artillery, Bat. A |
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| Fourth Brigade |
Colonel J.C. Tidball (to 11/5)
Colonel L. Schirmer
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| 2nd Massachusetts Cavalry Regiment |
Colonel L. Schirmer |
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| 4th New York Heavy Artillery |
Colonel H. H. Hall |
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| King’s Division |
Brigadier General Michael Corcoran
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| 1st Brigade (“Corcoran Legion”) |
Colonel Mathew Murphy
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| 155th New York Infantry Regiment |
Colonel William McEvily (dis. 11/3) |
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| 164th New York Infantry Regiment |
Colonel John McMahon |
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| 170th New York Infantry Regiment |
Colonel James D. McIvor |
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| 182nd New York Infantry Regiment |
Lieutenant Colonel Thomas M. Reid |
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| Not Brigaded |
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| 4th Delaware Infantry Regiment |
Colonel A.H. Grimshaw |
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| 17th New York Independent Battery |
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| 157th Pennsylvania Infantry (4 cos.) |
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| District of Washington |
Colonel M. N. Wisewell (10/1)
Brigadier General J. H. Martindale
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| 2nd District of Columbia Infantry Regiment |
Colonel Charles M. Alexander |
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| 14th New Hampshire Infantry Regiment |
Colonel Robert Wilson |
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| 153rd New York Infantry Regiment |
Colonel Edwin P. Davis |
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| 178th New York Infantry Regiment |
Lieutenant Colonel Charles F. Smith (to 10/17)
Colonel Edward Wehler |
to Army of the Tennessee 10/31 |
| 150th Pennsylvania Infantry, Co. K |
Captain David Derickson |
Lincoln’s Bodyguard |
| 157th Pennsylvania Infantry (4 cos.) |
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| 1st Regiment Invalid Corps |
Colonel R.H. Ruah |
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| 6th Regiment Invalid Corps |
Colonel M.N. Wisewell |
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| 9th Regiment Invalid Corps |
Colonel G.W. Gile |
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| District of Alexandria |
Brigadier General John P. Slough (to 11/5)
Colonel H. H. Wells
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| Slough’s Independent Brigade |
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| 1st District of Columbia Infantry Regiment |
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| Pennsylvania Independent Battery H |
Captain William Borrowe |
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| Second Brigade, Pennsylvania Reserves |
Colonel Horatio G. Sickel
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| 3rd Pennsylvania Reserves Regiment |
Lieutenant Colonel John Clark |
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| 4th Pennsylvania Reserves Regiment |
Colonel Richard H. Woolworth |
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| 7th Pennsylvania Reserves Regiment |
Colonel Henry C. Bolinger |
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| 8th Pennsylvania Reserves Regiment |
Colonel Silas M. Baily |
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| Independent Cavalry Brigade |
Colonel C. R. Lowell, Jr. |
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| 2nd Massachusetts Cavalry Regiment |
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| 13th New York Cavalry (Companies A-F) |
Lieutenant Colonel Henry S. Gansevoort |
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| 16th New York Cavalry (Companies A-D) |
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| Light Artillery Camp (Camp Barry) |
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| 2nd Connecticut Light Battery |
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| 1st Delaware Battery |
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| 2nd Maine Light Artillery |
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| 7th Massachusetts Battery |
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| 3rd New Jersey Battery |
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| 4th New Jersey Battery |
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| 5th New Jersey Battery |
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| 1st New York Artillery, Battery F |
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| 10th New York Independent Battery |
Lieutenant Charles T. Bruen |
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| 19th New York Independent Battery |
. |
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| 33rd New York Independent Battery |
. |
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| 1st Pennsylvania Artillery, Battery H |
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| 1st Rhode Island Artillery, Battery H |
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| 1st West Virginia Artillery, Battery F |
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| 5th United States Artillery, Battery D |
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| 5th United States Artillery, Battery I |
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| 5th United States Artillery, Battery L |
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