Union
HQ
I Corps
II Corps
V Corps
VI Corps
IX Corps
Kanawha
Artillery
Cavalry
Notes
Confederate
Longstreet
Jackson
Artillery
Cavalry
Battle
Of Antietam (Sharpsburg)
17 September 1862
THE ARMY OF THE POTOMAC (Maj. Gen. George B McClellan, USA, commanding)
|
TWELFTH ARMY CORPS |
|
Maj. Gen. Joseph K. F. Mansfield: white haired, chin beard. |
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|
First Division |
|
Brig. Gen. Alpheus S. Williams |
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|
First Brigade |
|
Brig. Gen. Samuel W. Crawford |
| 10th Maine | 300C | ACW4 p14: US blue. |
| 28th New York | 50C | ACW4 p20: US blue. |
| 46th Pennsylvania | 150C | US blue. |
| 124th Pennsylvania | 625E | US blue. |
| 125th Pennsylvania | 675D | US blue. |
| 128th Pennsylvania | 600E | US blue. |
| Third Brigade | Brig. Gen. George H. Gordon | |
| 27th Indiana | 350C | CUCW p64: US blue, broad black hats. |
| 2nd Massachusetts | 475D | ACW4 p15: US blue. |
| Zouaves d'Afrique | inc | attached to 2nd Massachusetts. Zouaves p26. |
| 13th New Jersey | 600E | ACW4 p18: US blue. |
| 107th New York | 575D | ACW4 p20: US blue. |
| 3rd Wisconsin | 350C | ACW4 p41: dark grey, broad brimmed hats turned up on one side. |
|
TWELFTH ARMY CORPS |
|
Maj. Gen. Joseph K. F. Mansfield: white haired, chin beard. |
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|
Second Division |
|
Brig. Gen. George S. Greene |
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|
First Brigade |
|
Lieut. Col. Hector Tyndale |
| 5th Ohio | 175C | ACW4 p34: US blue. |
| 7th Ohio | 125C | ACW4 p34: US blue. |
| 66th Ohio | 125C | ACW4 p34: US blue. |
| 28th Pennsylvania | 825D | ACW4 p35: grey with blue kepi. |
| Second Brigade | Col. Henry J. Stainrook | |
| 3rd Maryland | 150C | ACW4 p14: US blue. |
| 102nd New York | 150C | ACW4 p20: US blue. |
| 111th Pennsylvania | 225C | US blue. |
| Third Brigade | Col. William B. Goodrich | |
| 3rd Delaware | 125C | ACW4 p7: US blue. |
| Purnell (Maryland) Legion | 200C | US blue. |
| 60th New York | 225C | ACW4 p20: US blue. |
| 78th New York | 225C | ACW4 p20: US blue. |
|
TWELFTH ARMY CORPS |
Maj. Gen. Joseph K. F. Mansfield: white haired, chin beard. |
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Corps Artillery |
Capt. Clermont L. Best |
|
| Maine Light, 4th Battery | Capt. O'Neil W. Robinson. 4nr 20lb Parrott rifles. B. | |
| Maine Light, 6th Battery | Capt. Freeman McGilvery. 4nr 20lb Parrott rifles. B. | |
| 1st New York Light, Battery M | Capt. George W. Cothron. 6nr 10lb Parrott rifles. B. | |
| New York Light, 10th Battery | Capt. John T. Bruen. 4nr 12lb SB Napoleons. B. | |
| Pennsylvania Light, Battery E | Capt. Joseph M. Knap. 6nr 10lb Parrott rifles. B. | |
| Pennsylvania Light, Battery F | Capt. R. B. Hampton. 4nr 3" Rodman rifles. B. | |
| 4th United States, Battery F | Lieut. E. D. Muhlenberg. 4nr 3" Rodman rifles. B. | |
