March 1862 • to April >
Commanded by
Brigadier General William S. Rosecrans (to March 29)
Major General John C. Fremont
Created March 11, 1862 from the Department of Western Virginia
| Headquarters | ||
| Stewart’s Independent Cavalry Co. | ||
| Bracken’s Independent Cavalry Co. | ||
| District of Cumberland | Brigadier General 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 | Brigadier General 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 | Brigadier General 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 | Brigadier General J.D. Cox | |
| 1st Brigade | Colonel Eliakim Scammon | |
| 12th Ohio Infantry Regiment | Colonel Carr B. White | |
| 23rd Ohio Infantry Regiment | Lt. Colonel Rutherford B. Hayes | |
| 30th Ohio Infantry Regiment | Colonel Hugh Ewing | |
| 1st Ohio Independent Battery | ||
| 2nd Brigade | Colonel August Moor | |
| 28th Ohio Infantry Regiment | Lt. Colonel Godfried Becker | |
| 34th Ohio Infantry Regiment | Colonel Abram S. Piatt | |
| 37th Ohio Infantry Regiment | Colonel Edward Siber | |
| 47th Ohio Infantry Regiment | Colonel Frederick A. Poschner | |
| Simmond’s Kentucky Battery | ||
| 3rd Brigade | Colonel George Crook | |
| 11th Ohio Infantry Regiment | Colonel Charles A. DeVilliers | |
| 36th Ohio Infantry Regiment | Lt. Colonel Melvin Clarke | |
| 44th Ohio Infantry Regiment | Colonel Samuel A. Gilbert | |
| 4th Brigade | Colonel Joseph A.J. Lightburn | |
| 4th West Virginia Infantry Regiment | Colonel Joseph A.J. Lightburn | |
| 9th West Virginia Infantry Regiment | Colonel Leonard Skinner | |
| 1st West Virginia Cavalry (det) | ||
| Schambeck’s Illinois Cavalry Co. | ||
| Unattached | ||
| 8th West Virginia Infantry Regiment | ||
| 60th Ohio Infantry Regiment | Colonel William H. Trimble | |
| 2nd West Virginia Cavalry Regiment | Colonel William M. Bolles | |
| 3rd Independent Ohio Cavalry Co. | ||