Headquarters, Army of the Potomac, November 1864

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Headquarters escort
Oneida (New York) Cavalry Company	Captain Daniel P. Mann
4th United States Infantry Regiment
Provost Guard	Brigadier General Marsena L. Patrick
1st Massachusetts Cavalry, Cos. C&D
80th New York Infantry Regiment	Colonel Jacob Hardenberg
3rd Pennsylvania Cavalry Regiment
68th Pennsylvania Infantry Regiment
114th Pennsylvania Infantry Regiment
Engineer Brigade	Brigadier General Daniel Woodbury
8th Delaware Infantry Regiment
61st Massachusetts Infantry Regiment	Colonel Charles F. Walcott
18th New Hampshire Infantry Regiment
15th New York Engineer Regiment	Major Walter N. Cassin
50th New York Engineer Regiment	Lieutenant Colonel William H. Pettes
Regular Engineer Battalion	Captain George Henry Mendell
Artillery Reserve
2nd Maine Battery
3rd Maine Battery
4th Maine Independent Battery
6th Maine Battery		from 2 Corps Artillery
14th Massachusetts Battery
1st New Jersey Artillery, Battery A
1st New Jersey Artillery, Battery C
3rd New York Independent Battery
12th New York Independent Battery
15th New York Heavy Artillery, Co. F
1st Ohio Artillery, Battery H
1st Pennsylvania Artillery, Battery F	Captain Robert B. Ricketts
1st Rhode Island Artillery, Battery E
3rd Vermont Battery
5th United States Artillery, Battery E