• March 1862 • to April >

Commanded by
Brigadier General William S. Rosecrans 
(to March 29)
Major General John C. Fremont

Created March 11, 1862 from Department of Western Virginia

Headquarters
Stewart’s Independent Cavalry Co.
Bracken’s Independent Cavalry Co.
District of Cumberland Brig. Gen. Robert C. Schenck
5th West Virginia Infantry Regiment Colonel John L. Zeigler
82nd Ohio Infantry Regiment Colonel James Cantwell
2nd Maryland Potomac Home Brigade to Railroad District (below)
Cheat Mountain District Brig. Gen. Robert H. Milroy
25th Ohio Infantry Regiment Colonel James A. Jones
32nd Ohio Infantry Regiment Colonel Thomas H. Ford
73rd Ohio Infantry Regiment Colonel Orland Smith
75th Ohio Infantry Regiment Colonel Nathaniel C. McLean
2nd West Virginia Infantry Regiment Colonel John W. Moss
3rd West Virginia Infantry Regiment Colonel David T. Hewes
10th West Virginia Infantry Regiment Colonel Thomas M. Harris
Rigby’s Indiana Battery
1st Ohio Artillery, Battery I
1st Ohio Artillery, Battery K
12th Ohio Independent Battery detached from 25th Ohio 
1st West Virginia Cavalry (4 cos.) Colonel Henry Anisansel
Railroad District Brig. Gen. Benjamin F. Kelly
2nd Maryland Potomac Home Brigade Colonel Robert Bruce from Dist. Cumberland (above)
3rd Maryland Potomac Home Brigade
55th Ohio Infantry Regiment Colonel John C. Lee from Grafton 3/31
6th West Virginia Infantry Regiment Colonel Nathan Wilkinson
11th West Virginia Infantry Regiment Colonel John C. Rathbone
1st Connecticut Cavalry Regiment
District of the Kanawha Brig. Gen. J.D. Cox
1st Brigade Colonel Eliakim Scammon
2nd Brigade Colonel August Moor
3rd Brigade Colonel George Crook
4th Brigade Colonel Joseph A.J. Lightburn