Antietam Order of Battle (AoP)
Major General GEORGE B. McCLELLAN, U.S. Army, Commanding

GENERAL HEADQUARTERS

ESCORT
Capt. JAMES B. MCINTYRE.

Independent Company Oneida (New York) Cavalry, Capt. Daniel P. Mann
4th U.S. Cavalry, Company A, Lieut. Thomas H. McCormick.
4th U.S. Cavalry, Company E, Capt. James B. Mcintyre.

VOLUNTEER ENGINEER BRIGADE
Brig. Gen. DANIEL P. WOODBURY.

15th New York, Col. John McL. Murphy
50th New York, Lieut. Col. William H. Pettes

REGULAR ENGINEER BATTALION
Capt. JAMES C. DUANE

PROVOST GUARD
Maj. WILLIAM H. WOOD

2d U.S. Cavalry, Companies E, F, H, and K,  Capt. George A. Gordon
8th U.S. Infantry, Companies A, D, F, and G,  Capt. Royal T. Frank
19th U.S. Infantry, Company G, Capt. Edmund L. Smith
19th U.S. Infantry, Company H, Capt. Henry S. Welton.

HEADQUARTERS GUARD
Maj. GRANVILLE O. HALLER

Sturges (Illinois) Rifles, Capt. James Steel
93d New York, Lieut. Col. Benjamin C. Butler

QUARTERMASTER'S GUARD

1st U. S. Cavalry, Companies B, C, H, and I, Capt. Marcus A. Reno.

FIRST ARMY CORPS
(1.) Maj. Gen. JOSEPH HOOKER
(2.) Brig. Gen. GEORGE G. MEADE.

ESCORT

2d New York Cavalry, Companies A, B, I, and K, Capt. John E. Naylor.

FIRST DIVISION
(1.) Brig. Gen. RUFUS KING
(2.) Brig. Gen. JOHN P. HATCH
(3.)Brig. Gen. ABNER DOUBLEDAY.

First Brigade
Col. WALTER PHELPS, jr.

22d New York, Lieut. Col. John McKie, jr.
24th New York, Capt John D. O'Brian
30th New York, Col. William M. Searing
84th New York (14th Militia), Maj. William H. de Bevoise
2d U. S. Sharpshooters, Col. Henry A. V. Post.

Second Brigade
(1.) Brig. Gen. ABNER DOUBLEDAY
(2.) Col. William P. WAINWRIGHT
(3.) Lieut. Col. J. WILLIAM HOFMANN

7th Indiana, Maj. Ira G. Grover
76th New York:
        Col. William P. Wainwright
        Capt. John W. Young
95th New York, Maj. Edward Pye
56th Pennsylvania:
       Lieut. Col. J. William Hofmann
       Capt. Frederick Williams.

Third Brigade
Brig. Gen. MARSENA R. PATRICK

21st New York, Col. William F. Rogers
23d New York, Col. Henry C. Hoffman
35th New York, Col. Newton B Lord
80th New York (20th Militia), Lieut. Col. Theodore B. Gates.

Fourth Brigade
Brig. Gen. JOHN GIBBON

19th Indiana:
       Col. Solomon Meredith
       Lieut. Col. Alois O. Bachman
       Capt. William W. Dudley
2d Wisconsin:
       Col. Lucius Fairchild
       Lieut. Col. Thomas S. Allen
6th Wisconsin:
       Lieut. Col. Edward S. Bragg
       Maj. Rufus R. Dawes
7th Wisconsin, Capt. John B. Callis

Artillery
Capt. J. ALBERT MONROE

New Hampshire Light, First Battery, Lieut. Frederick M. Edgell
1st Rhode Island Light, Battery D, Capt. J. Albert Monroe
1st New York Light, Battery L, Capt. John A Reynolds
4th United States, Battery B:
       Capt. Joseph B. Campbell
       Lieut. James Stewart.

SECOND DIVISION
Brig. Gen. JAMES B. RICKETTS.

First Brigade
Brig. Gen. ABRAM DURYEA.

97th New York, Maj. Charles Northrup
104th New York, Maj. Lewis C. Skinner
105th New York, Col. Howard Carroll
107th Pennsylvania, Capt. James Mac Thomson.

Second Brigade
(1.) Col. WILLIAM A. CHRISTIAN
(2.) Col. PETER LYLE

26th New York, Lieut. Col. Richard H
26th New York, Lieut. Col. Richard H. Richardson
94th New York, Lieut. Col. Calvin Littlefield
88th Pennsylvania:
       Lieut. Col. George W. Gile
       Capt. Henry R. Myers
90th Pennsylvania:
       Col. Peter Lyle
       Lieut. Col. William A. Leech

Third Brigade
(1) Brig. Gen. GEORGE L. HARTSUFF
(2) Col. RICHARD COULTER

16th Maine, Col. Asa W. Wildes
12th Massachusetts:
       Maj. Elisha Burbank
       Capt. Benjamin F. Cook
13th Massachusetts, Maj. J. Parker Gould
83d New York (9th Militia), Lieut. Col. William Atterbury
11th Pennsylvania:
       Col. Richard Coulter
       Capt. David M. Cook.

Artillery

1st Pennsylvania Light, Battery F, Capt. Ezra W. Matthews
Pennsylvania Light, Battery C, Capt. James Thompson

THIRD DIVISION
(1) Brig. Gen. GEORGE G. MEADE
(2) Brig. Gen. TRUMAN SEYMOUR.

First Brigade
(1) Brig. Gen. TRUMAN SEYMOUR
(2) Col. R. BIDDLE ROBERTS

1st Pennsylvania Reserves:
       Col. R. Biddle Roberts
       Capt. William C. Talley
2d Pennsylvania Reserves, Capt. James N. Byrnes
5th Pennsylvania Reserves,  Col. Joseph W. Fisher
6th Pennsylvania Reserves, Col. William Sinclair
13th Pennsylvania Reserves (1st Rifles):
       Col. Hugh W. McNeil
       Capt. Dennis McGee.

Second Brigade

3d Pennsylvania Reserves, Lieut. Col. John Clark
4th Pennsylvania Reserves, Maj. John Nyce
7th Pennsylvania Reserves:
       Col. Henry C. Bolinger
       Maj. Chauncey A. Lyman
8th Pennsylvania Reserves, Maj. Silas M Baily

Third Brigade
(1.) Col. THOMAS F. GALLAGHER
(2.) Lieut. Col. ROBERT ANDERSON

9th Pennsylvania Reserves:
       Lieut. Col. Robert Anderson
       Capt. Samuel B. Dick
10th Pennsylvania Reserves:
       Lieut. Col. Adoniram J. Warner.
       Capt. Jonathan P. Smith
11th Pennsylvania Reserves, Lieut. Col. Samuel M. Jackson
12th Pennsylvania Reserves, Capt. Richard Gustin.

Artillery

1st Pennsylvania Light, Battery A, Lieut. John G. Simpson
1st Pennsylvania Light, Battery B, Capt. James H. Cooper
1st Pennsylvania Light, Battery G, Lieut. Frank P. Amsden
5th United States, Battery C, Capt. Dunbar R. Ransom

SECOND ARMY CORPS
Maj. Gen. EDWIN V. SUMNER

ESCORT

6th New York Cavalry, Company D, Capt.. Henry W. Lyon
6th New York Cavalry, Company K, Capt. Riley Johnson

FIRST DIVISION
(1.) Maj. Gen. ISRAEL B. RICHARDSON
(2) Brig.Gen JOHN C. CALDWELL
(3.) Brig. Gen. WINFIELD S. HANCOCK.

First Brigade
Brig. Gen. JOHN C. CALDWELL

5th New Hampshire, Col. Edward E. Cross
7th New York, Capt. Charles Brestel
61st New York, { Col. Francis C. Barlow
64th New York, { Lieut Col Nelson A. Miles
81st Pennsylvania, Maj. H. Boyd McKeen.

Second Brigade
(1.) Brig. Gen. THOMAS F. MEAGHER
(2.) Col. JOHN BURKE

29th Massachusetts, Lieut Col. Joseph H. Barnes
63d New York:
       Col. John Burke
       Lieut. Col. Henry Fowler
       Capt. Joseph O'Neill
69th New York:
       Lieut. Col. James Kelly
       Maj. James Cavanagh
88th New York, Lieut. Col. Patrick Kelly

Third Brigade
Col. John R. BROOKE.

2d Delaware, Capt. David L. Stricker
52d New York, Col. Paul Frank
57th New York:
       Lieut. Col. Philip J. Parisen
       Maj. Alford B. Chapman
66th New York:
       Capt. Julius Wehle
       Lieut. Col. James H. Bull
53d Pennsylvania, Lieut. Col. Richards McMichael

Artillery

1st New York Light, Battery B, Capt. Rufus D. Pettit
4th U. S., Batteries A and C, Lieut.Evan Thomas.

SECOND DIVISION
(1.) Maj. Gen. JOHN SEDGWICK
(2.) Brig. Gen. OLIVER O. HOWARD

First Brigade
Brig. Gen. WILLIS A. GORMAN

15th Massachusetts, Lieut. Col. John W. Kimball
1st Minnesota, Col. Alfred Sully
34th New York, Col. James A. Suiter
82d New York (2d Militia), Col. Henry W. Hudson
Massachusetts Sharpshooters, First Company, Capt. John Saunders
Minnesota Sharpshooters, Second Company, Capt. William F. Russell.

Second Brigade
(1)Brig. Gen. OLIVER O. HOWARD
(2)Col. JOSHUA T. OWEN
(3) Col. DE WETT C. BAXTER

69th Pennsylvania, Col. Joshua T. Owen
71st Pennsylvania:
       Col. Isaac J. Wistar
       Lieut. Richard P. Smith (adjutant)
       Capt. Enoch E. Lewis
72d Pennsylvania, Col. DeWitt C. Baxter
106th Pennsylvania, Col. Turner G. Morehead

Third Brigade
(1.) Brig. Gen. NAPOLEON J. T. DANA
(2) Col. NORMAN J. HALL.

19th Massachusetts:
       Col. Edward W. Hinks
       Lieut. Col. Arthur F. Devereux
20th Massachusetts, Col. William R. Lee
7th Michigan:
       Col. Norman J. Hall
       Capt. Charles J. Hunt
42d New York:
       Lieut. Col. George N, Bornford.
       Maj. James E. Mallon
59th New York, Col, William L. Tidball

Artillery

1st Rhode Island Light, Battery A, Capt. John A. Tompkins
1st United States, Battery I, Lieut. George A. Woodruff

THIRD DIVISION
Brig. Gen. WILLIAM H. FRENCH.

First Brigade
Brig. Gen. NATHAN KIMBALL.

14th Indiana, Col. William Harrow
8th Ohio, Lieut. Col. Franklin Sawyer
132d Pennsylvania:
       Col. Richard A. Oakford
       Lieut. Col. Vincent M. Wilcox
7th West Virginia, Col. Joseph Snider

Second Brigade
Col. DWIGHT MORRIS.

14th Connecticut, Lieut. Col. Sanford H. Perkins
108th New York, Col. Oliver H. Palmer
130th Pennsylvania, Col. Henry I. Zinn

Third Brigade
(1.) Brig. Gen. MAX WEBER
(2.) Col. JOHN W. ANDREWS

1st Delaware:
       Col. John W. Andrews
       Lieut. Col. Oliver Hopkinson
5th Maryland:
       Maj. Leopold Blumenberg
       Capt. E.F.M. Faehtz
4th New York, Lieut. Col. John D. McGregor

UNATTACHED ARTILLERY

1st New York Light, Battery G, Capt. John D. Frank
1st Rhode Island Light, Battery B, Capt. John G. Hazard
1st Rhode Island Light, Battery G, Capt. Charles D. Owen

FOURTH ARMY CORPS

FIRST DIVISION
Maj. Gen. DARIUS N. COUCH

First Brigade
Brig. Gen. CHARLES DEVENS, Jr.

7th Massachusetts, Col. David A. Russell
10th Massachusetts, Col. Henry L. Eustis
36th New York, Col. William H. Browne
2d Rhode Island, Col. Frank Wheaton

Second Brigade
Brig. Gen, ALBION P. HOWE

62d New York, Col. David J. Nevin
93d Pennsylvania, Col. James M. McCarter
98th Pennsylvania, Col. John F. Ballier
102d Pennsylvania, Col. Thomas A. Rowley
139th Pennsylvania, Col. Frank H. Collier

Third Brigade
Brig. Gen. JOHN COCHRANE

65th New York, Col. Alexander Shaler
67th New York, Col. Julius W. Adams
122d New York, Col. Silas Titus
23d Pennsylvania, Col. Thomas H. Neill
61st Pennsylvania, Col. George C. Spear
82d Pennsylvania, Col. David H. Williams

Artillery

New York Light, Third Battery, Capt. William Stuart
1st Pennsylvania Light, Battery C, Captain Jeremiah McCarthy
1st Pennsylvania Light, Battery D, Capt. Michael Hall
2d United States, Battery G, Lieut. John H. Butler

FIFTH ARMY CORPS
Maj. Gen. FITZ JOHN PORTER

ESCORT
1st Maine Cavalry (detachment), Capt. George J. Summat

FIRST DIVISION
Maj. Gen. GEORGE W. MORELL

First Brigade
Col. JAMES BARNES.

2d Maine, Col. Charles W. Roberts
18th Massachusetts, Lieut. Col. Joseph Hayes
22d Massachusetts, Lieut. Col. William S. Tilton
1st Michigan, Capt. Emory W. Belton
13th New York, Col. Elisha G. Marshall
25th New York, Col. Charles A. Johnson
118th Pennsylvania:
       Col. Charles M. Prevost
       Lieut. Col. James Gwyn
Massachusetts Sharpshooters, Second Company, Capt. Lewis E. Wentworth.

Second Brigade
Brig. Gen. CHARLES GRIFFIN

2d District of Columbia, Col. Charles M. Alexander
9th Massachusetts, Col. Patrick R. Guiney
32d Massachusetts, Col. Francis J. Parker
4th Michigan, Col. Jonathan W. Childs
14th New York, Col. James McQuade
62d Pennsylvania, Col. Jacob B. Sweitzer

Third Brigade
Col. T. B. W. STOCKTON

20th Maine, Col. Adelbert Ames
16th Michigan, Lieut. Col. Norval E. Welch
12th New York, Capt. William Huson
17th New York, Lieut. Col. Nelson B. Bartram
44th New York, Maj. Freeman Conner
83d Pennsylvania, Capt. Orpheus S. Woodward
Michigan Sharpshooters, Brady's company, Lieut. Jonas H. Titus, jr.

Artillery

Massachusetts Light, Battery C, Capt. Augustus P. Martin
1st Rhode Island Light, Battery C, Capt. Richard Waterman
5th United States, Battery D, Lieut. Charles E. Hazlett

Sharpshooters

1st United States, Capt. John B. Isler

SECOND DIVISION
Brig. Gen. GEORGE SYKES

First Brigade
Lieut. Col. ROBERT C. BUCHANAN

3d United States, Capt. John D. Wilkins
4th United States, Capt. Hiram Dryer
12th United States, First Battalion, Capt. Matthew M. Blunt
12th United States, Second Battalion, Capt. Thomas M. Anderson
14th United States, First Battalion, Capt. W. Harvey Brown
14th United States Second Battalion, Capt. David B. McKibbin

Second Brigade
Maj. CHARLES S. LOVELL

1st and 6th United States, Capt. Levi C. Bootes
2d and 10th United States, Capt. John S. Poland
11th United States, Maj. De Lancey Floyd-Jones
17th United States, Maj. George L. Andrews.

Third Brigade
Col. GOUVERNEUR K. WARREN

5th New York, Capt. Cleveland Winslow
10th New York, Lieut. Col. John W. Marshall

Artillery

1st United States, Batteries E and G, Lieut. Alanson M. Randol
5th United States, Battery I, Capt. Stephen H. Weed
5th United States, Battery K, Lieut. William E. Van Reed.

THIRD DIVISION
Brig. Gen. ANDREW A. HUMPHREYS.

First Brigade
Brig. Gen. ERASTUS B. TYLER

91st Pennsylvania, Col. Edgar M. Gregory
126th Pennsylvania, Col. James G. Elder
129th Pennsylvania, Col. Jacob G. Frick
134th Pennsylvania, Col. Matthew S. Quay.

Second Brigade
Col. PETER H. ALLABACH.

123d Pennsylvania, Col. John B. Clark
131st Pennsylvania, Lieut. Col. William B. Shaut
133d Pennsylvania, Col. Franklin B. Speakman
155th Pennsylvania, Col. Edward J. Allen

Artillery
Capt. LUCIUS N. ROBINSON.

1st New York Light, Battery C, Capt. Alaout Barnes
1st Ohio Light, Battery L, Capt. Lucius N. Robinson

ARTILLERY RESERVE
Lieut. Col. WILLIAM HAYS

1st Battalion New York Light, Battery A, Lieut. Bernhard Wever
1st Battalion New York Light., Battery B, Lieut. Alfred von Kleiser
1st Battalion New York Light, Battery C, Capt. Robert Langner
1st Battalion New York Light, Battery D, Capt. Charles Kusserow
New York Light, Fifth Battery, Capt. Elijah D. Taft
1st United States, Battery K, Capt. William M. Graham
4th United States, Battery G, Lieut. Marcus P. Miller

SIXTH ARMY CORPS
Maj. Gen. WILLIAM B. FRANKLIN.

ESCORT

6th Pennsylvania Cavalry, Companies B and G, Capt. Henry P. Muirheid

FIRST DIVISION
Maj. Gen. HENRY W. SLOCUM.

First Brigade
Col. ALFRED T. A. TORBERT.

1st New Jersey, Lieut. Col. Mark W. Collet
2d New Jersey, Col. Samuel L. Buck
3d New Jersey, Col. Henry W. Brown
4th New Jersey, Col. William B. Hatch

Second Brigade
Col. JOSEPH J. BARTLETT

5th Maine, Col. Nathaniel J. Jackson
16th New York, Lieut. Col. Joel J. Seaver
27th New York, Lieut. Col. Alexander D. Adams
96th Pennsylvania, Col. Henry L. Cake
121st New York, Col. Richard Franchot

Third Brigade
Brig. Gen. JOHN NEWTON

18th New York, Lieut. Col. George R. Myers
31st New York, Lieut. Col. Francis E. Pinto
32d New York:
       Col. Roderick Matheson
       Maj. George F. Lemon
96th Pennsylvania, Col. Gustavus W. Town

Artillery
Capt. EMORY UPTON.

Maryland Light, Battery A, Capt. John W. Wolcott
Massachusetts Light, Battery A, Capt. Josiah Porter
New Jersey Light, Battery A, Capt. William Hexamer
2d United States, Battery D, Lieut. Edward B. Williston

SECOND DIVISION
Maj. Gen. WILLIAM F. SMITH.

First Brigade
(1.) Brig. Gen. WINFIELD S. HANCOCK
(2.) Col. AMASA COBB

6th Maine, Col. Hiram Burnham
43d New York, Maj. John Wilson
49th Pennsylvania, Lieut. Col. William Brisbane
137th Pennsylvania, Col. Henry M. Bossert
5th Wisconsin, Col. Amasa Cobb.

Second Brigade
Brig. Gen. W. T. H. BROOKS

2d Vermont, Maj. James H. Walbridge
3d Vermont, Col. Breed N. Hyde
4th Vermont, Lieut. Col. Charles B. Stoughton
5th Vermont, Col. Lewis A. Grant
6th Vermont, Maj. Oscar L. Tuttle

Third Brigade
Col. WILLIAM H. IRWIN

7th Maine, Maj. Thomas W Hyde
20th New York, Col. Ernest von Vegesack
33d New York, Lieut. Col. Joseph W. Coming
49th New York:
       Lieut. Col. William C. Alberger
       Maj. George W. Johnson
77th New York, Capt. Nathan S. Babcock

Artillery
Capt. ROMEYN B. AYRES

Maryland Light, Battery B, Lieut. Theodore J. Vanneman
New York Light, 1st Battery, Capt. Andrew Cowan
5th United States, Battery F, Lieut. Leonard Martin

NINTH ARMY CORPS
A. E. BURNSIDE
Maj Gen. JESSE L. RENO
Brig. Gen. Jacob D. Cox

ESCORT

1st Maine Cavalry, Company G, Capt. Zebulon B. Blethen

FIRST DIVISION
Brig. Gen. ORLANDO B. WILLCOX

First Brigade
Col. BENJAMIN C. CHRIST

28th Massachusetts, Capt. Andrew P. Caraher
17th Michigan, Col. William H. Withington
79th New York, Lieut. Col. David Morrison
50th Pennsylvania:
       Maj. Edward Overton
       Capt. William H. Diehl.

Second Brigade
Col. THOMAS WELSH

8th Michigan:
       Lieut. Col. Frank Graves
       Maj. Ralph Ely
46th New York, Lieut. Col. Joseph Gerhardt
45th Pennsylvania, Lieut. Col. John I. Curtin
100th Pennsylvania, Lieut. Col. David A. Leckey

Artillery

Massachusetts Light, Eighth Battery, Capt. Asa M. Cook
2d United States, Battery E, Lieut. Samuel N. Benjmin

SECOND DIVISION
Brig. Gen. SAMUEL D. STURGIS.

First Brigade
Brig. Gen. JAMES NAGLE

2d Maryland, Lieut. Col. J. Eugene Duryea
6th New Hampshire, Col. Simon G. Griffin
9th New Hampshire, Col. Enoch Q. Fellows
48th Pennsylvania, Lieut. Col. Joshua K. Sigfried

Second Brigade
Brig. Gen. EDWARD FERRERO.

21st Massachusetts, Col. William S. Clark
35th Massachusetts:
       Col. Edward A. Wild
       Lieut. Col. Sumner Carruth
51st New York, Col. Robert B. Potter
51st Pennsylvania, Col. John F. Hartranft

Artillery

Pennsylvania Light, Battery D, Capt. George W. Durell
4th United States, Battery E, Capt. Joseph C. Clark, jr.

THIRD DIVISION
Brig. Gen. ISAAC P. RODMAN

First Brigade
Col. HARRISON S. FAIRCHILD.

9th New York, Lieut. Col. Edgar A. Kimball
89th New York,  Maj Edward Jardine
103d New York, Maj Benjamin Ringold

Second Brigade
Col. EDWARD HARLAND

8th Connecticut:
       Lieut. Col. Hiram Appelman
       Maj. John E. Ward
11th Connecticut, Col. Henry W. Kingsbury
16th Connecticut, Col. Francis Beach
4th Rhode Island:
       Col. William H. P. Steere
       Lieut. Col. Joseph B. Curtis

Artillery

5th United States, Battery A, Lieut. Charles P. Muhlenberg

KANAWHA DIVISION
(1.) Brig. Gen. JACOB D. Cox
(2.) Col. ELIAKIM P. SCAMMON.

First Brigade
Col. HUGH EWING.

12th Ohio, Col. Carr B. White
23d Ohio:
       Lieut. Col. Rutherford B. Hayes
       Maj. James M. Comly
30th Ohio:
       Col. Hugh Ewing
       Lieut. Col. Theodore Jones
       Maj. George H. Hildt
Ohio Light Artillery, First Battery, Capt. James R. McMullin
Gilmore's company West Virginia Cavalry, Lieut. James Abraham
Harrison s company West Virginia Cavalry, Lieut. Dennis Delaney.

Second Brigade
Col. GEORGE CROOK

11th Ohio:
       Lieut. Col. Augustus H, Coleman
       Maj. Lyman J. Jackson
28th Ohio, Lieut. Col. Gottfried Becker
36th Ohio, Lieut. Col. Melvin Clarke
Schambeck's company Chicago Dragoons, Capt. Frederick Schambeck
Kentucky Light Artillery', Simmonds' battery, Capt. Seth J. Simmonds

UNATTACHED

6th New York Cavalry (eight companies), Col. Thomas C. Devin
Ohio Cavalry, Third Independant Company, Lieut. Jonas Seamen
3d U. S Artillery, Batteries L and M, Capt. John Edwards, jr

TWELFTH ARMY CORPS
(1.) Maj. Gen. JOSEPH K. F. MANSFIELD
(2.) Brig. Gen. ALPHEUS, S. WILLIAMS

ESCORT

1st Michigan Cavalry, Company L., Capt, Melvin Brewer

FIRST DIVISION
(1.) Brig. Gen. ALPHEUS S WILLIAMS
(2.) Brig. Gen. SAMUEL W. CRAWFORD
(3.) Brig. Gen. GEORGE H, GORDON

First Brigade
(1) Brig. Gen. SAMUEL W. CRAWFORD
(2.) Col. JOSEPH F. KNIFE

5th Connecticut, Capt. Henry W. Daboll
10th Maine, Col. George L. Beal
28th New York, Capt. William H. H. Mapes
46th Pennsylvania:
       Col. Joseph F. Knipe
       Lieut. Col. James L. Selfridge
l24th Pennsylvania:
       Col. Joseph W. Hawley
       Maj. Isaac L. Haldeman
125th Pennsylvania, Col. Jacob Higgins
128th Pennsylvania:
       Col. Samuel Cressdale
       Lieut. Col. William W. Hammersly
       Maj. Joel B. Wanner.

Third Brigade
(1.) Brig. Gen. GEORGE H. GORDON
(2.) Col. THOMAS RUGER

27th Indiana, Col. Silas Colgrove
2d Massachusetts, Col. George L. Andrews
13th New Jersey, Col. Ezra A. Carman
107th New York, Col. R. B. Van Valkenburgh
Zouaves d'Afrique, Pennsylvania
3d Wisconsin, Col. Thomas H. Ruger.

SECOND DIVISION
Brig. Gen, GEORGE S. GREENE

First Brigade
(1.) Lieut. Col. HECTOR TYNDALE
(2.) Maj. ORRIN J. CRANE

5th Ohio, Maj. John Collins
7th Ohio:
       Maj. Orrin J. Crane
       Capt. Frederick A. Seymour
29th Ohio, Lieut. Theron S. Winship
66th Ohio, Lieut. Col. Eugene Powell
28th Pennsylvania, Maj. Ario Pardee, jr.

Second Brigade
Col. HENRY J. STAINROOK.

3d Maryland, Lieut. Col. Joseph M. Sudsburg
102d New York, Lieut. Col. James C. Lane
109th Pennsylvania, Capt. George E. Seymour
111th Pennsylvania, Maj. Thomas M. Walker

Third Brigade
(1.) Col. WILLIAM B. GOODRICH
(2.) Lieut. Col. JONATHAN AUSTIN

3d Delaware:
       Maj. Arthur Maginnis
       Capt. William J. McKaig
Purnell Legion Maryland, Lieut. Col. Benjamin L. Simpson
60th New York, Lieut. Col. Charles R. Brundage
78th New York:
       Lieut. Col. Jonathan Austin
       Capt. Henry R. Stagg

ARTILLERY
Capt. CLERMONT L. BEST

Maine Light, 4th Battery, Capt. O'Neil W. Robinson
Maine Light, 6th Battery, Capt. Freeman McGilvery
1st New York Light, Battery M, Capt. George W. Cothran
New York Light, 10th Battery, Capt. John T. Bruen
Pennsylvania Light, Battery E, Capt. Joseph M. Knap
Pennsylvania Light, Battery F, Capt. Robert B. Hampton
4th United States, Battery F, Lieut. Edward D. Muhlenberg.

CAVALRY DIVISION
Brig. Gen. ALFRED PLEASONTON.

First Brigade
Maj. CHARLES J. WHITING

5th United States, Capt. Joseph H. McArthur
6th United States, Capt. William P. Sanders

Second Brigade
Col. JOHN F. FARNSWORTH

8th Illinois, Maj. William H. Medill
3d Indiana, Maj. George H. Chapman
1st Massachusetts, Capt. Casper Crowninshield
8th Pennsylvania, Capt. Peter Keenan

Third Brigade
Col. RICHARD H. RUSH

4th Pennsylvania:
       Col. James H. Childs
       Lieut. Col. James K. Kerr
6th Pennsylvania, Lieut. Col. C. Ross Smith

Fourth Brigade
Col. ANDREW T. McREYNOLDS.

1st New York, Maj. Alonzo W. Adams
12th Pennsylvania, Maj. James A. Congdon

Fifth Brigade
Col. BENJAMIN F. DAVIS.

8th New York, Col. Benjamin F. Davis
3d Pennsylvania, Lieut. Col. Samuel W. Owen

Artillery

2d United States, Battery A, Capt. John C. Tidball
2d United States, Batteries B and L, Capt. James M. Robertson
2d United States, Battery M, Lieut. Peter C. Hains
3d United States, Batteries C and G, Capt. Horatio G. Gibson.

Unattached

1st Maine Cavalry, Col. Samuel H. Allen
15th Pennsylvania Cavalry (detachment), Col. William J. Palmer