PROVISIONAL BRIGADES.

Major General SILAS CASEY.

Detachment 1st and 45th U. S. Colored Troops, Captain Wilhelm von Bechtold.

Departments 2nd, 4th, 5th, 6th, 7th, 8th, 10th, 19th, 22nd, 23rd, 27th, 28th, 29th, 30th, 31st, 32sd, 34th, 37th, 39th, and 43rd U. S. Colored Troops, 1st and 2nd District of Columbia, and 1st Michigan Cavalry, Lieutenant Henry Whitney.

Detachments 16th, 44th, 102th, and 109th U. S. Colored Troops, Lieutenant Dexter S. Munger.

HARDIN'S DIVISION.*

Brigadier General MARTIN D. HARDIN.

First Brigade.

Colonel CHARLES H. LONG.

13th Michigan Battery, Captain Charles Dupont.

1st New Hampshire Heavy Artillery, Lieutenant Colonel Ira McL. Barton.

Second Brigade.

Colonel WILLIAM S. ABERT.

3rd Massachusetts Heavy Artillery, Companies A, D, G, H, K, L, and M, Lieutenant Colonel John A. P. Allen.

Third Brigade.

Lieutenant Colonel JOHN H. OBERTEUFFER.

3rd Massachusetts Heavy Artillery, Companies B, C, E, and F, Major George S. Worcester.

14th Michigan Battery, Captain Charles Heine.

Fort Foote, Md.

Lieutenant Colonel THOMAS ALLCOCK.

Maine Coast Guard, Company B, Captain Oliver J. Conant.

2nd U. S. Artillery, Battery I, Lieutenant William P. Graves.

3rd U. S. Artillery, Battery G, Lieutenant Charles S. Medary.

DISTRICT OF SAINT MARY'S, MD.

Brigadier General JAMES BARNES.

11th U. S. Veteran Reserve Corps, Lieutenant Colonel Gilbert S. Jennings.

20th U. S. Veteran Reserve Corps, Captain A. Webster Shaffer.

5th Massachusetts Cavalry (colored), Colonel Henry S. Russell

2nd Wisconsin Battery, Captain Charles Beger.

FORT WASHINGTON, MD.

Colonel HORACE BROOKS.

Maine Coast Guard, Company A, Captain Charles Barker.

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*Headquarters at Washington City. Troops at Forts Baker, Bayard, Bunker Hill, Carroll, Davis, De Russy, Foote, Gaines, Kearny, Lincoln, Mahan, Mansfield, Meigs, Greble, Reno, Ricketts, Simmons, Slemmer, Slocum, Snyder, Stanton, Stevens, Sumner, Thayer, Totten, Wagner, and Batteries Cameron, Kemble, Parrott, Smead, and Vermont.

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