The Army of the Potomac at Antietam

Headquarters and Escorts

1st Army Corps (marker)

Major Genera Joseph Hooker (w)
Brigadier Genera George G. Meade

1st Division (marker) (marker)

Brigadier General Abner Doubleday

2nd Division (marker) (marker)

Brigadier General James B. Ricketts

3rd Division (marker) (marker)

Brigadier General George G. Meade
Brigadier General Truman Seymour

2nd New York Cavalry (Companies A,B, I & K)

Captain John E. Naylor

15th Pennsylvania Cavalry (detachment)

Colonel William J. Palmer

2nd Army Corps (marker) (marker) (marker)

Major General Edwin V. Sumner

1st Division (marker)(marker)

Major General Israel B. Richardson (mw)
Brigadier General John C. Caldwell
Brigadier General Winfield S. Hancock

2nd Division (marker)

Major General John Sedgwick (w)
Brigadier General Oliver O. Howard

3rd Division (marker)

Major General William H. French

6th New York Cavalry, Company D

Captain Henry W. Lyon

6th New York Cavalry, Compnay K

Captain Riley Johnson

5th Army Corps (marker)

Major General Fitz John Porter

1st Division (marker) (marker)

Major General George W. Morell

2nd Division (marker)

Brigadier General George Sykes

3rd Division (marker)

Brigadier General Andrew A. Humphreys

Reached the field of Antietam Sept.18th

Artillery Reserve (marker)

Lieutenant Colonel William Hays

1st Maine Cavalry Regiment (detachment)

Captain George J. Summat

6th Army Corps (marker)

Major General William B. Franklin

1st Division (marker)

Major General Henry W. Slocum

2nd Division (marker)

Major General William F. Smith

4th Army Corps, 1st Division

Major General Darius Couch

6th Pennsylvania Cavalry Regiment,
Companies B & G

Capt H. P. Muirheid

9th Army Corps (marker) (marker) (marker)

Major General Ambrose E. Burnside
Brigadier General Jacob D. Cox

1st Division (marker)

Brigadier General Orlando B. Wilcox

2nd Division (marker)

Brigadier General Samuel D. Sturgis

3rd Division (marker)

Brigadier General Isaac P. Rodman (mw)
Colonel Edward Harland

Kanawha Division (marker)

Brigadier General Jacob D. Cox
Colonel Eliakim P. Scammon

6th New York Cavalry (8 companies)

Colonel Thomas V. Devin

3rd Company Ohio Cavalry

Lieutenant Jonas Seamen

3rd United States Artillery, Batteries L and M

Captain John Edwards, Jr.

1st Maine Cavalry Regiment, Company G

Captain Zebulon B. Blethen

12th Army Corps (marker)

Major General Joseph K. F. Mansfield (mw)
Brigadier General Alpheus S. Williams

1st Division (marker)

Brigadier General Alpheus S. Williams
Brigadier General Samuel W. Crawford (w)
Brigadier General George H.Gordon

2nd Division (marker) (marker) (marker)

Brigadier General George S. Greene

Artillery Reserve

Captain Clermont L. Best

1st Michigan Cavalry, Company L

Captain Melvin Brewer

Cavalry Division (marker)

Brigadier General Alfred Pleasonton