United States Army > Army of the Potomac > 12th Corps


< to June • July 1863 • to August >

Commanded by Brigadier General Alpheus S. Williams (^ 7/1)
Brigadier General Thomas H. Ruger (to 7/4)
Commanded by Brigadier General Alpheus S. Williams

First Brigade Colonel Archibad L. McDougall (to 7/26)
Brigadier General Joseph F. Knipe
5th Connecticut Infantry Regiment Colonel Warren W. Packer
20th Connecticut Infantry Regiment Lt. Colonel William B. Wooster
3rd Maine Infantry Regiment Colonel Joseph M. Sudsburg
123rd New York Infantry Regiment Lt. Colonel James C. Rogers (to 7/26)
Colonel Archibad L. McDougall
145th New York Infantry Regiment Colonel E. Livingston Price
46th Pennsylvania Infantry Regiment Colonel James L. Selfridge
Second Brigade Brigadier General Henry Lockwood reorganized 7/1, discontinued 7/15
1st Maryland Eastern Shore Regiment Colonel James Wallace from 8 Corps, Lockwood’s Brig.
to W. Va., Md. Heights Div., 3 Brig.
1st Maryland Potomac Home Brigade Colonel William P. Maulsby from 8 Corps, Lockwood’s Brig.
to W. Va., Md. Heights Div., 3 Brig.
2nd Maryland Eastern Shore Regiment Colonel Robert S. Rogers from 8 Corps, Lockwood’s Brig.
to W. Va., Md. Heights Div., 3 Brig.
150th New York Infantry Regiment Colonel John H. Ketcham from 8 Corps, Ind. Brig.
to 3 Brig. (below)
Third Brigade Brigadier General Thomas H. Ruger (^ 7/1)
Colonel Silas Colgrove (to 7/4)
Brigadier General Thomas H. Ruger
27th Indiana Infantry Regiment Colonel Silas Colgrove (^ 7/1)
Lt. Colonel John R. Fesler (to 7/4)
Colonel Silas Colgrove
2nd Massachusetts Infantry Regiment Lt. Colonel Charles R. Mudge (k 7/3)
Major Charles F. Morse
13th New Jersey Infantry Regiment Colonel Ezra A. Carman
107th New York Infantry Regiment Colonel Nirom M. Crane
150th New York Infantry Regiment Colonel John H. Ketcham from 2 Brig. (above)
3rd Wisconsin Infantry Regiment Colonel William Hawley