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

Second Division

Brigadier General George S. Greene

First Brigade

Colonel Charles Candy (except 9/17 - 9/18)

Lt. Colonel Hector Tyndale (w 9/17)

Major O. J. Crane

5th Ohio Infantry Regiment

Major John Collins

7th Ohio Infantry Regiment

Major Orrin J. Crane

Captain Frederick A. Seymour

29th Ohio Infantry Regiment

Lieutenant Theron S. Winship

66th Ohio Infantry Regiment

Lt. Colonel Eugene Powell (w 9/17)

28th Pennsylvania Infantry Regiment

Major Ario Pardee, Jr.

Second Brigade

Colonel T. B. Van Buren (until 9/15)

Colonel H. J. Stainrook (9/15 - 9/17)

Lt. Colonel J. C. Lane

3rd Maryland Infantry Regiment

Lt. Colonel Joseph M. Sudsburg

from Army of Virginia,
2nd Corps, 2nd Div., 2nd Bde.

102nd New York Infantry Regiment

Lt. Colonel James C. Lane

109th Pennsylvania Infantry Regiment

Captain George E. Seymour

111th Pennsylvania Infantry Regiment

Major Thomas M. Walker (w 9/17)

Third Brigade

Colonel William B. Goodrich (k 9/17)

Lt. Colonel J. Austn (9/17 - 9/18)

Bde. Gen. George S. Greene

1st District of Columbia Infantry Regt.

Colonel James A. Tait

from Army of Virginia,
2nd Corps, 2nd Div., 3rd Bde.

3rd Delaware Infantry Regiment

Major Arthur McGinnins (w 9/17)

Captain William J. McKaig

Purnell (Maryland) Legion

Lt. Colonel Benjamin L. Simpson

60th New York Infantry Regiment

Lt. Colonel Charles R. Brundage

78th New York Infantry Regiment

Lt. Colonel Jonathan Austin

Captain Henry R. Stagg

Artillery

4th Maine Independent Battery

Captain O'Neil W. Robinson

from Army Va., 2nd Corps, 1st Div. Artillery

6th Maine Independent Battery

Captain Freeman McGilvery

from Army Va., 3rd Corps, 1st Div. Artillery

Pennsylvania Independent Battery E

Captain Joseph M. Knap

from Army Va., 2nd Corps, 2nd Div. Artillery

Pennsylvania Independent Battery F

Captain Robert B. Hamptn

from Army Va., 2nd Corps, 2nd Div. Artillery