Atlanta campaign Union order of battle

The following Union Army units and commanders fought in the Atlanta campaign of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization during the campaign.
This order of battle covers the period of May 7 – July 17, 1864. The period July 17 – September 8, 1864, is listed separately.
Military Division of the Mississippi.
MG William T. Sherman<br>
Chief of Staff: BG Joseph D. Webster<br>
Chief of Artillery: BG William F. Barry<br>
Headquarters Guard: 7th Company Ohio Sharpshooters: Lieut. William McCrory
Army of the Cumberland.
MG George Henry Thomas<br>
Chief of Artillery: BG John M. Brannan<br>
Chief of Staff: BG William D. Whipple<br>
Escort: Company I, 1st Ohio Cavalry: Lieut. Henry C. Reppert
IV Corps.
MG Oliver O. Howard
XIV Corps.
MG John M. Palmer
XX Corps.
MG Joseph Hooker
Cavalry Corps.
BG Washington Elliott, Chief of Cavalry, Army of the Cumberland
Army of the Tennessee.
MG James B. McPherson<br>
Escort: 4th Company Ohio Cavalry; Company B, 1st Ohio Cavalry
XV Corps.
MG John A. Logan
XVI Corps.
MG Grenville M. Dodge<br>
Escort: 1st Alabama Cavalry; Company A, 52nd Illinois
XVII Corps.
MG Francis P. Blair, Jr.<br>
Escort: Company M, 1st Ohio Cavalry; Company G, 9th Illinois Mounted Infantry
Army of the Ohio (XXIII Corps).
MG John M. Schofield<br>
BG Jacob Cox<br>
Escort: Company G, 7th Ohio Cavalry
Strengths.
The following table shows total strengths of each of the major formations at several stages throughout the campaign.