Twelfth Army Corps, Army of the Potomac

Major General Henry Slocum

The Twelfth Army Corps had over 13,000 men in 28 infantry regiments and 4 artillery batteries, organized into 3 divisions of three or four brigades each and an artillery brigade.

Slocum

First Division - Brigadier General Alpheus Williams

5th Connecticut

5th Connecticut

20th Connecticut

20th Connecticut

3rd Maryland

3rd Maryland

123rd New York

123rd
New York

145th New York

145th
New York

46th Pennsylvania

46th Pennsylvania

3rd Maryland

1st Maryland, Potomac Home Brigade

3rd Maryland

1st Maryland, Eastern Shore

150th New York

150th
New York

27th Indiana

27th Indiana

2nd Massachusetts

2nd Massachusetts

13th New Jersey

13th
New Jersey

107th New York

107th
New York

3rd Wisconsin

3rd Wisconsin

 

 

  Second Division - Brigadier General John Geary Geary


5th Ohio

5th Ohio

8th Ohio

7th Ohio

29th Ohio

29th Ohio

66th Ohio

66th Ohio

28th Pennsylvania

28th Pennsylvania

147th Pennsylvania

147th Pennsylvania


2nd
Brigade

29th Pennsylvania

29th Pennsylvania

109th Pennsylvania

109th Pennsylvania

111th Pennsylvania

111th Pennsylvania


3rd
Brigade

60th New York

60th
New York

78th & 102nd New York

78th & 102nd
New York

 

 

137th New York

137th
New York

149th New York

149th
New York

 

 

12th Corps Artillery Brigade - Lieutenant Edward D. Muhlenberger

 

1st New York, Battery M

1st New York,
Battery M

Pennsylvania Independent Battery E

Pennsylvania Independent Battery E

 

 

 

1st United States, Battery I

4th United States,
Battery F

5th United States, Battery K

5th United States,
Battery K