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Commanded by Major General John C. Fremont
| Headquarters | ||
| Stewart’s Independent Cavalry Co. | ||
| Bracken’s Independent Cavalry Co. | ||
| District of Cumberland | Brigadier General Robert C. Schenck | dissolved 4/19 |
| 5th West Virginia Infantry Regiment | Colonel John L. Zeigler | to Milroy’s Ind. Brig. (below) |
| 82nd Ohio Infantry Regiment | Colonel James Cantwell | to Schenck’s Ind. Brig. (below) |
Cheat Mountain District |
Brigadier General Robert H. Milroy | dissolved 4/19 |
| 25th Ohio Infantry Regiment | Colonel James A. Jones | to Milroy’s Ind. Brig. (below) |
| 32nd Ohio Infantry Regiment | Colonel Thomas H. Ford | to Schenck’s Ind. Brig. (below) |
| 73rd Ohio Infantry Regiment | Colonel Orland Smith | to Schenck’s Ind. Brig. (below) |
| 75th Ohio Infantry Regiment | Colonel Nathaniel C. McLean | to Schenck’s Ind. Brig. (below) |
| 2nd West Virginia Infantry Regiment | Colonel John W. Moss | to Milroy’s Ind. Brig. (below) |
| 3rd West Virginia Infantry Regiment | Colonel David T. Hewes | to Milroy’s Ind. Brig. (below) |
| 10th West Virginia Infantry Regiment | Colonel Thomas M. Harris | to RR Dist. (below) |
| Rigby’s Indiana Battery | to Schenck’s Ind. Brig. (below) | |
| 1st Ohio Artillery, Battery I | to Milroy’s Ind. Brig. (below) | |
| 1st Ohio Artillery, Battery K | to Schenck’s Ind. Brig. (below) | |
| 12th Ohio Independent Battery | to Milroy’s Ind. Brig. (below) | |
| 1st West Virginia Cavalry (4 cos.) | Colonel Henry Anisansel | to Milroy’s Ind. Brig. (below) |
Milroy’s Independent Brigade |
Brigadier General Robert H. Milroy | created 4/19 |
| 25th Ohio Infantry Regiment | Colonel James A. Jones | from Cheat Mtn. Dist. (above) |
| 2nd West Virginia Infantry Regiment | Colonel John W. Moss | from Cheat Mtn. Dist. (above) |
| 3rd West Virginia Infantry Regiment | Colonel David T. Hewes | from Cheat Mtn. Dist. (above) |
| 5th West Virginia Infantry Regiment | Colonel John L. Zeigler | from Dist. Cumberland (above) |
| 1st Ohio Artillery, Battery I | from Cheat Mtn. Dist. (above) | |
| 12th Ohio Independent Battery | from Cheat Mtn. Dist. (above) | |
| 1st West Virginia Cavalry (4 cos.) | Colonel Henry Anisansel | from Cheat Mtn. Dist. (above) |
Schenk’s Independent Brigade |
Brigadier General Robert C. Schenck | created 4/19 |
| 32nd Ohio Infantry Regiment | Colonel Thomas H. Ford | from Cheat Mtn. Dist. (above) |
| 55th Ohio Infantry Regiment | Colonel John C. Lee | from RR Dist. (below) |
| 73rd Ohio Infantry Regiment | Colonel Orland Smith | from Cheat Mtn. Dist. (above) |
| 75th Ohio Infantry Regiment | Colonel Nathaniel C. McLean | from Cheat Mtn. Dist. (above) |
| 82nd Ohio Infantry Regiment | Colonel James Cantwell | from Dist. Cumberland (above) |
| Rigby’s Indiana Battery | from Cheat Mtn. Dist. (above) | |
| 1st Ohio Artillery, Battery K | from Cheat Mtn. Dist. (above) | |
| 1st Connecticut Cavalry | from RR Dist. (below) | |
Railroad District |
Brigadier General Benjamin F. Kelly | |
| 2nd Maryland Potomac Home Brigade | Colonel Robert Bruce | to 8 Corps, Middle Dept., RR Dist. |
| 3rd Maryland Potomac Home Brigade | ||
| 55th Ohio Infantry Regiment | Colonel John C. Lee | |
| 6th West Virginia Infantry Regiment | Colonel Nathan Wilkinson | |
| 10th West Virginia Infantry Regiment | Colonel Thomas M. Harris | |
| 11th West Virginia Infantry Regiment | Colonel John C. Rathbone | |
| 1st Connecticut Cavalry | to Schenk’s Ind. Brig. (above) | |
| 1st Illinois Artillery, Battery L | ||
| 1st West Virginia, Battery C | mustered in at Wheeling | |
| Ringgold (PA) Cavalry Co. | from Hatch’s Brig. 5th Corps | |
| Washington (PA) Cavalry Co. | from Hatch’s Brig. 5th Corps | |
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 (to 4/28) Lt. Colonel John T. Toland |
|
| 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 (dis. 4/23) Colonel Augustus H. Coleman |
|
| 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. | ||
Blenker’s Division |
Brigadier General Louis Blenker | from 2nd Corps April 1 |
| First Brigade | Brigadier General Julius H. Stahel | |
| 8th New York Infantry Regiment | Colonel Francis Wutschel | |
| 39th New York Infantry Regiment | Colonel Frederick D’Utassy | |
| 41st New York Infantry Regiment | Colonel Leopold Von Gilsa | |
| 45th New York Infantry Regiment | Colonel George Von Amsberg | |
| 27th Pennsylvania Infantry Regiment | Colonel Adolph E. Buschbeck | |
| 2nd New York Independent Battery | Captain Louis Schirmer | |
| Second Brigade | Colonel Adolf Von Steinwehr | |
| 29th New York Infantry Regiment | Lt. Colonel Clemens Soest | |
| 54th New York Infantry Regiment | Colonel Eugene A. Kozlay | |
| 68th New York Infantry Regiment | Colonel Robert J. Betge | |
| 73rd Pennsylvania Infantry Regiment | Colonel John A. Koltes | |
| 13th New York Independent Battery | Captain Emil Sturmfels | |
| Third Brigade | Colonel Henry Bohlen | |
| 58th New York Infantry Regiment | Colonel Wladimir Krzyzanowski | |
| 74th Pennsylvania Infantry Regiment | Colonel Alexander Schimmelfennig | |
| 75th Pennsylvania Infantry Regiment | Lt. Colonel Francis Mahler | |