War of the Rebellion: Serial 040 Page 0181 Chapter XXXVII. CORRESPONDENCE, ETC.-UNION.

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Abstract from return of the Department of Washington, Major General S. P. Heintzelman commanding, for the mouth of March, 1863; headquarters, Washington, D. C.

Present for duty.

Command. Officers. Men. Aggregate

present.

General headquarters 16 47 63

District of Alexandria 102 1,965 2,450

Camp Convalescent 13

-----

2,537

Camp Distribution 6 987 1,080

Artillery defenses of 122 2,353 2,929

Alexandria

Heavy Artillery Brigade 71 1,687 2,074

Abercrombie's division 239 5,389 6,406

Casey's division 351 6,914 8,472

Pennsylvania Reserve Corps 208 4,352 5,278

Cavalry Division 299 4,944 6,748

District of Washington 194 4,127 5,173

Artillery camp of instruction 34 814 948

Defenses north of the Potomac 253 5,908 7,400

Corps of observation 131 3,026 3,644

Railway Brigade 30 722 875

Fort Washington 5 110 144

Total 2,074 43,345 56,221

Pieces of artillery.

Command. Aggregate Heavy. Field.

present and

absent.

General headquarters 64 ---- ----

District of Alexandria 2,942 ---- ----

Camp Convalescent 2,537 ---- ----

Camp Distribution 1,080 ---- ----

Artillery defenses of 3,447 162 28

Alexandria

Heavy Artillery Brigade 2,824 89 17

Abercrombie's division 8,736 36 25

Casey's division 9,538 ---- 24

Pennsylvania Reserve Corps 7,387 ---- ----

Cavalry Division 7,912 ---- ----

District of Washington 6,143 149 117

Artillery camp of instruction 1,130 ---- 42

Defenses north of the Potomac 8,357 ---- ----

Corps of observation 4,112 ---- 6

Railway Brigade 907 ---- ----

Fort Washington 151 70 3

Total 67,267 506 262

Troops in the Department of Washington, Major General Samuel P. Heintzelman commanding, March 31, 1863.

GENERAL HEADQUARTERS.

5th New York Cavalry, Company I, Captain George C. Morton.

DISTRICT OF ALEXANDRIA.

Brigadier General JOHN P. SLOUGH.

1st District of Columbia, Lieutenant Colonel Lemuel Towers.

26th Michigan, Colonel J. S. Farrar.

153rd New York, Major E. P. Davis.

11th Rhode Island, Colonel George E. Church.

ARTILLERY DEFENSES OF ALEXANDRIA.*

Brigadier General ROBERT O. TYLER.

1st Connecticut Heavy Artillery, Colonel H. L. Abbot.

19th Connecticut, Colonel L. W. Wessells.

1st Massachusetts Heavy Artillery,+ Colonel Thomas R. Tannatt.

34th Massachusetts, Colonel George D. Wells.

2nd New York Heavy Artillery, Lieutenant Colonel Jeremiah Palmer.

3rd New York Artillery Battalion, Lieutenant Colonel A. Senges.

Wisconsin Heavy Artillery (one company), Captain C. C. Meservey.

ABERCROMBIE'S DIVISION.++

Brigadier General J. J. ABERCROMBIE.

Second Brigade.

Colonel BURR PORTER.

22nd Connecticut, Colonel George S. Burnham.

40th Massachusetts, Lieutenant Colonel Jos. A. Dalton.

141st New York, Major J. W. Dininny.

16th Virginia, Colonel J. T. Close.

Third Brigade.

Colonel WILLIAM GURNEY.

127th New York, Lieutenant Colonel S. L. Woodford.

142nd New York, Colonel N. M. Curtis.

143rd New York, Colonel D. P. De Witt.

144th New York, Colonel R. S. Hughston.

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*Comprising Forts Barnard, Blenker, Ellsworth, Lyon, Richardson, Scott, Ward, and Worth.

+These regiments constituted a heavy artillery brigade, under Colonel M. Cogswell.

++Near Fort Albany, and at Arlington, Cloud's Mill, Forts Ethan Allen and marcy, Minor's Hill, Upton's Hill, and Vienna.

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