The Army of the Potomac at Antietam

Headquarters and Escorts

1st Army Corps (marker 001)

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

1st Division (marker 002) (marker 013)

Brigadier General Abner Doubleday

2nd Division (marker 014) (marker 081)

Brigadier General James B. Ricketts

3rd Division (marker 015) (marker 011)

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 036) (marker 115) (marker 116)

Major General Edwin V. Sumner

1st Division (marker 034)(marker 044)

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

2nd Division (marker 036)

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

3rd Division (marker 040)

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 033)

Major General Fitz John Porter

1st Division (marker 018) (marker 026)

Major General George W. Morell

2nd Division (marker 026)

Brigadier General George Sykes

3rd Division (marker 019)

Brigadier General Andrew A. Humphreys

Reached the field of Antietam Sept.18th

Artillery Reserve (marker 023)

Lieutenant Colonel William Hays

1st Maine Cavalry Regiment (detachment)

Captain George J. Summat

6th Army Corps (marker 012)

Major General William B. Franklin

1st Division (marker 071)

Major General Henry W. Slocum

2nd Division (marker 072)

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 056) (marker 057) (marker 070)

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

1st Division (marker 062)

Brigadier General Orlando B. Wilcox

2nd Division (marker 058)

Brigadier General Samuel D. Sturgis

3rd Division (marker 065)

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

Kanawha Division (marker 059)

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 027)

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

1st Division (marker 028)

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

2nd Division (marker 048) (marker 051) (marker 054)

Brigadier General George S. Greene

Artillery Reserve

Captain Clermont L. Best

1st Michigan Cavalry, Company L

Captain Melvin Brewer

Cavalry Division (marker 021)

Brigadier General Alfred Pleasonton