U.S. Army - Army of the Potomac

Dix's Division, Baltimore

Major General John Dix

From the Department of Annapolis, renamed the Department of Maryland 7/19, and discontinued on July 25

Infantry

21st Indiana Infantry Regiment

from indianapolis 7/31

3rd New York Infantry Regiment

Lt. Colonel Samuel M. Alford

from Camp Hamilton, Dept. Virginia 7/25

4th New York Infantry Regiment

Colonel Alfred W. Taylor

from Camp Hamilton, Dept. Virginia 7/25

5th New York Infantry Regiment

Colonel C. Schwartzwaelder

from Newport News, Dept. Virginia 7/25

6th New York Militia Regiment

Colonel Joseph Pinckney

from Dept. Annapolis 7/25

to New York to muster out 7/29

13th New York State Militia

Colonel Abel Smith

from Dept. Annapolis 7/25

20th New York State Militia

Colonel George W. Pratt

from Dept. Annapolis 7/25

1st Pennsylvania Reserves

Colonel R. Biddle Roberts

from Harrisburg 7/22

12th Pennsylvania Infantry Regiment

Colonel David Campbell

from Railroad Guard, Dept. Annapolis 7/25

18th Pennsylvania Infantry Regiment

Colonel William D. Lewis

from Baltimore, Dept. Annapolis 7/25

left 7/29 to muster out

19th Pennsylvania Infantry Regiment

Colonel Peter Lyle

from Baltimore, Dept. Annapolis 7/25

22nd Pennsylvania Infantry Regiment

Colonel Turner G. Morehead

from Baltimore, Dept. Annapolis 7/25

Artillery

Cook's Boston, Ma. Battery

Battery I, 2nd United States Artillery