Department of the East
Major General John E. Wool
All of the United States east of the Mississippi not in other departments.
Dept. of Washington 
Colonel Joseph K. F. Mansfield
The District of Columbia, Alexandria County, Va., and Maryland as far as Bladensburg.
Dept. of Pennsylvania
Major General Robert Patterson
Pennsylvania, Delaware, and Maryland not in the Depts. of Washington and Annapolis.
Dept. of Annapolis 
Bde. General Benjamin F. Butler (to 5/22)
Major General George Cadwallader
Maryland between Annapolis, Baltimore and Washington.
Dept. of Virginia (est. 5/22) 
Bde. General Benjamin F. Butler
An area 60 miles around Fortress Monroe
Dept. of N.E. Virginia (est. 5/27) 
Bde. General Irvin McDowell
Virginia east of the Allegheny Mountains and north of the James River, except the Dept. of Virginia.
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