U.S. Army - Army of the Potomac - First Army Corps

Third Division

Brigadier General Rufus King

Created March 3, 1862 and announced March 13, 1862

1st Brigade

Brigadier General Christopher C. Augur

22nd New York Infantry Regiment

Colonel Walter Phelps

from 1st. Bde., McDowell's Div.

24th New York Infantry Regiment

Colonel Timothy Sullivan

30th New York Infantry Regiment

84th New York Infantry Regiment

2nd Brigade

Brigadier General J. S. Wadsworth (to 3/17)
Brigadier General Marsena Patrick

21st New York Infantry Regiment

Colonel William F. Rogers

from 2nd. Bde., McDowell's Div.

23rd New York Infantry Regiment

Colonel Henry C. Hoffman

35th New York Infantry Regiment

80th New York Infantry Regiment

3rd Brigade

Colonel Lysander Cutler

2nd Wisconsin Infantry Regiment

from 3rd. Bde., McDowell's Div.

6th Wisconsin Infantry Regiment

7th Wisconsin Infantry Regiment

19th Indiana Infantry Regiment

Artillery

1st New Hampshire Battery

Battery D, 1st Rhode Island Artillery

Pennsylvania Independent Battery D

Battery B, 4th United States Artillery

Cavalry

2nd New York Cavalry Regiment

from McDowell's Div.