United States Army > Army of the Potomac > 9th Corps


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Commanded by:
Brigadier General John Hartranft (to 9/1)
Brigadier General Orlando Wilcox (after 9/13)

The divisision was discontinued on September 1st and re-established on September 13th

First Brigade (to 9/1) Lieutenant Colonel J. H. Barnes
21st Massachusetts Infantry Regiment Lieutenant Colonel George P. Hawkes to 2 Div. 3 Brig.
29th Massachusetts Infantry Regiment to 3 Brig. (below)
35th Massachusetts Infantry Regiment Major Nathaniel Wales to 2 Div. 1 Brig.
56th Massachusetts Infantry Regiment to 2 Div. 2 Brig.
57th Massachusetts Infantry Regiment to 3 Brig. (below)
59th Massachusetts Infantry Regiment Colonel Jacob P. Gould to 3 Brig. (below)
100th Pennsylvania Infantry Regiment to 3 Brig. (below)
First Brigade (after 9/13) Colonel B. C. Chirst (to 9/13)
Colonel S. Harriman
8th Michigan Infantry Regiment from 3 Div. 1 Brig.
27th Michigan Infantry Regiment from 3 Div. 1 Brig.
79th New York Infantry Regiment from 3 Div. 2 Brig.
109th New York Infantry Regiment from 3 Div. 1 Brig.
13th Ohio Cavalry (dismounted) from 3 Div. 1 Brig.
51st Pennsylvania Infantry Regiment from 3 Div. 1 Brig.
37th Wisconsin Infantry Regiment from 3 Div. 1 Brig.
38th Wisconsin Infantry Regiment from 3 Div. 1 Brig.
Second Brigade (to 9/1) Lieutenant Colonel G. P. Robinson
3rd Maryland infantry Battalion to 3 Brig. (below)
179th New York Infantry Regiment Colonel William M. Gregg to 2 Div. 2 Brig.
14th New York Heavy Artillery to 3 Brig. (below)
Second Brigade (after 9/13) Colonel William Humphreys
Brigadier General J. F. Hartranft
1st Michigan Sharpshooters Regiment from
3 Div. 2 Brig.
2nd Michigan Infantry Regiment
20th Michigan Infantry Regiment
24th New York Cavalry (dismounted)
46th New York Infantry Regiment
50th Pennsylvania Infantry Regiment
60th Ohio Infantry Regiment
Third Brigade (after 9/13) Lieutenant Colonel J. H. Barnes (to 9/15)
Colonel N. B. McLaughlin
3rd Maryland infantry Battalion from 2 Brig. (above)
29th Massachusetts Infantry Regiment from 1 Brig. (above)
57th Massachusetts Infantry Regiment from 2 Brig. (above)
59th Massachusetts Infantry Regiment from 2 Brig. (above)
14th New York Heavy Artillery from 2 Brig. (above)
100th Pennsylvania Infantry Regiment from 2 Brig. (above)
Engineers (after 9/13)
17th Michigan Infantry Regiment from 3 Div.