The Civil War in the East

U.S. Army

22nd Army Corps, Department of Washington

Major General Samuel P. Heintzelman

 

         
   
   
         

Defences North of the Potomac

Lt. Col. J. A. Haskins

 

First Brigade

Colonel J. M. Warner (to 5/12)

Colonel W. H. Hayward

 

Second Brigade

Colonel L. O. Morris

 

Third Brigade

Colonel A. Piper

 

Defences South of the Potomac

Col. T. R. Tannatt (until 5/25)

Brig. Gen. G. A. DeRussy

 

First Brigade

Colonel T. R. Tannatt

 

Second Brigade

Colonel G. D. Wells (until 5/63)

Col. L. W. Wessells

 

Third Brigade

Colonel H. L. Abbot

organized 5/12

Abercrombie's Division

Brigadier General J. J. Abercrombie

 

First Brigade

Col. Francis Fessenden

 

Second Brigade

Brig. Gen. George J. Stannard

 

Third Brigade

Colonel George L. Willard (to 5/6)

Brig. Gen. Alexander Hays

 

Pennsylvania Reserves Division

Brig. Gen. Samuel W. Crawford

 

First Brigade

Colonel William Sinclair (to 5/29)

Colonel William McCandless

 

Third Brigade

Colonel J. W. Fisher

 

Cavalry Division

Major General Julius Shahel

 

First Brigade

Brig. Gen. J. T. Copeland

 

Second Brigade

Colonel R. Butler Price

 

Third Brigade

Colonel O. DeForest

 

Jewett's Independent Brigade

Colonel A. B. Jewett

 

23rd Maine Infantry Regiment

 

to District Alexandria (see below)

39th Massachusetts Infantry Regiment

 

to District Washington (see below)

14th New Hampshire Infantry Regiment

 

to District Washington (see below)

10th Vermont Infantry Regiment

 

 

11th New York Cavalry, Cos. E, F & I

 

 

10th Massachusetts Independent Battery

 

 

District of Washington

Brig. Gen. J. H. Martindale

 

2nd District of Columbia Infantry Regt.

 

 

34th Massachusetts Infantry Regiment

 

from Defences S. Potomac, 3rd Brig. (below)

39th Massachusetts Infantry Regiment

 

from Jewett's Independent Brig. (see above)

14th New Hampshire Infantry Regiment

 

from Jewett's Independent Brig. (see above)

27th Pennsylvania Infantry, Co. F

 

 

150th Pennsylvania Infantry, Co. K

 

 

157th Pennsylvania Infantry (4 cos.)

 

 

District of Alexandria

Brig. Gen. John P. Slough

 

1st District of Columbia Infantry Regt.

 

 

23rd Maine Infantry Regiment

 

 

153rd New York Infantry Regiment

 

 

Pennsylvania Independent Battery H

 

 

Second Brigade, Pa. Reserves

Colonel H. G. Sickel

 

3rd Pennsylvania Reserves Regiment

 

 

4th Pennsylvania Reserves Regiment

   

7th Pennsylvania Reserves Regiment

   

8th Pennsylvania Reserves Regiment

 

 

Light Artillery Camp Camp Berry

Brig. Gen. A. P. Howe

 

1st New York Artillery, Battery A

 

 

12th New York Independent Battery

 

 

27th New York Independent Battery

 

 

1st West Virginia Artillery, Battery A

 

 




 
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