World History Maps Interactive Historical Atlas of the Civil War, detail page for:

Southwestern Virginia, CS Army Department May 8, 1861 - Nov 25, 1862
Trans Allegheny, CS Army Department Nov 25, 1862 - Sep 27, 1864
East Tennessee and West Virginia, CS Army Department Sep 27, 1864 - Apr 19, 1865

CS Dept. of Southwestern Virginia created Included the valley region of southwestern Virginia, May 8, 1861
William W. Loring Commander, May 8, 1861 - Oct 16, 1862

John Echols Commander, Oct 16, 1862 - Nov 10, 1862
John S. Williams Temp Commander, Nov 10, 1862 - Nov 25, 1862
John S. Williams Commander, Nov 25, 1862
Dept. of Southwestern Virginia Renamed CS Trans Allegheny Dept, Nov 25, 1862
Samuel Jones Commander, Nov 25, 1862 - Feb 25, 1864

District of Abingdon transferred from CS Dept. of Southwestern Virginia to Dept. of East Tennessee added, Jan 17, 1863
Extreme southwest Virginia transferred from CS Dept. of Tennessee to Trans Allegheny Dept., Sep 5, 1863

John C. Breckinridge Commander, Feb 25, 1864 - May 23, 1864
CS Trans Allegheny Dept. expanded to include Saltville Virginia, Mar 19, 1864
District of East Tennessee transferred from CS Dept. of Tennessee to Trans Allegheny Dept., Apr 23, 1864
Cloyds Mountain, battle, May 9, 1864
Cove Mountain, engagement, May 10, 1864
William E. Jones Commander, May 23, 1864 - May 31, 1864
George B. Crittenden Commander, May 31, 1864 - Jun 22, 1864
John H Morgan Commander, Jun 22, 1864 - Aug 22, 1864
John Echols Commander, Aug 22, 1864 - Sep 17, 1864
John C. Breckinridge Commander, Sep 17, 1864 - Feb 20, 1865
CS Trans Allegheny Dept. renamed Dept. of East Tennessee and West Virginia, Sep 27, 1864
Saltville, battle, Oct 2, 1864
Marion, engagement near, Dec 17, 1864 - Dec 18, 1864
Saltville, battle, Dec 20, 1864 - Dec 21, 1864

Jubal A. Early Commander, Feb 20, 1865 - Mar 29, 1865
John Echols Commander, Mar 29, 1865 - Apr 19, 1865
CS Dept. of Northern Virginia Surrendered Valley District transferred from Dept. of Northern Virginia to Dept. of East Tennessee, Apr 9, 1865
CS Dept. of East Tennessee and West Virginia discontinued and absorbed by Dept. of Tennessee and Georgia, Apr 19, 1865