U.S. Army

8th Army Corps - Middle Department

Major General Robert C. Schenck

Defences Upper Potomac

Brigadier General Benjamin F. Kelly

Organized 1/5

Brigadier General J. R. Kenly

from Williamsport, Md. Bde. (see below)

Colonel A. T. McReynolds

Milroy's Division

Brigadier General R. H. Milroy

District of the Eastern Shore/
First Separate Brigade

Bde. Gen. Henry H. Lockwood

redesignated 1/5

1st Maryland Eastern Shore

Colonel James Wallace

2nd Maryland Eastern Shore

Colonel Robert S. Rogers

Purnell Legion Cavalry (Md), Co. A

Smith's Maryland Cavalry Company

Defences of Baltimore/
Second Separate Brigade

Brevet Bde. Gen. W. W. Morris (to 1/20)

Colonel P. A. Porter (after 1/20)

redesignated 1/5

18th Connecticut Infantry Regiment

3rd Delaware Infantry Regiment

Colonel Samuel H. Jenkins

Patapsco Maryland Guards

Purnell Legion Infantry (Md)

Colonel Samuel A. Graham

14th New Jersey Infantry Regiment

Colonel William S. Truex

150th New York Infantry Regiment

151st New York Infantry Regiment

138th Pennsylvania Infantry Regiment

179th Pennsylvania Infantry Regiment

1st Connecticut Cavalry Regiment

from 11th Corps Cavalry

Purnell Legion Cavalry (Md), Co. C

17th Indiana Battery

to Def. Upper Potomac (below)

5th New York Heavy Artillery

6th New York Heavy Artillery

to Def. Upper Potomac, Harpers Ferry (below)

8th New York Heavy Artillery

15th New York Indpendent Battery

to Army Potomac Artillery Reserve

2nd United States Artillery, Battery I

5th United States Artillery, Battery L

Williamsport, Md. Brigade

Brigadier General J. R. Kenly

1st Maryland Infantry Regiment

Colonel Nathan T. DuShane

4th Maryland Infantry Regiment

Colonel Richard N. Bowerman

6th Maryland Infantry Regiment

Colonel George R. Howard

to Defences Upper Potomac,

Harpers Ferry Bde. (see above)

7th Maryland Infantry Regiment

Colonel Charles E. Phelps

8th Maryland Infantry Regiment

Colonel Andrew W. Dennison

Baltimore Battery

Annapolis

1st Maryland Potomac Home Bde.

Colonel William P. Maulsby

from prisoners of war

3rd Maryland Potomac Home Bde.

Colonel Stephen W. Downey

Purnell Legion Cavalry (Md) Co. B.

67th Pennsylvania Infantry Regiment