Army of the Potomac
Major General George G. Meade
Dept. of Virginia & North Carolina
Major General Benjamin Butler
Major General Lew Wallace
New Jersey, Pennsylvania, Delaware, the eastern part of Maryland and the Eastern Shore of Virginia.
Dept. of Washington
Maj. Gen. Christopher Augur
District of Columbia, Arlington County in Virginia, and adjacent fortifications
Dept. of the Susquehanna
Major Genral Darius Couch
The State of Pennsylvania east of Johnstown and Laurel Hill Mountain. The rest of Pennsylvania was added 4/6.
Dept. of West Virginia
Major General Franz Sigel
West Virginia and Maryland west of the Alleghenies