U.S. Army - Army of Virginia - Third Corps

Third Division

Brigadier General John F. Reynolds

Transferred from the Army of the Potomac, 5th Army Corps, 8/25

First Brigade

Bde. Gen. Truman Seymour

1st Pensylvania Reserves Regiment

Colonel Richard B. Roberts

2nd Pensylvania Reserves Regiment

Colonel William McCandless

5th Pensylvania Reserves Regiment

Colonel Joseph W. Fisher

6th Pensylvania Reserves Regiment

Colonel William Sinclair

Second Brigade

Bde. Gen. George G. Meade

3rd Pensylvania Reserves Regiment

Colonel Horation G. Sickel

4th Pensylvania Reserves Regiment

Colonel Albert L. McGilton

7th Pensylvania Reserves Regiment

Colonel Henry C. Bolinger

8th Pensylvania Reserves Regiment

Major Silas M. Baily

13th Pensylvania Reserves Regiment

Colonel Hugh W. McNeill

Third Brigade

Bde. Gen. C. F. Jackson (until 8/30)

Colonel Thomas F. Gallagher (after 8/30)

9th Pensylvania Reserves Regiment

Lt. Colonel Robert Anderson

10th Pensylvania Reserves Regiment

Colonel James T. Kirk (w 8/30)

Lt. Colonel Adoniram J. Warner

11th Pensylvania Reserves Regiment

Colonel Thomas F. Gallagher

12th Pensylvania Reserves Regiment

Colonel Martin D. Hardin (w 8/30)

Captain Richard Gustin

Artillery

Battery A, 1st Pennsylvania Artillery

Lieutenant John G. Simpson

Battery B, 1st Pennsylvania Artillery

Captain James H. Cooper

Battery G, 1st Pennsylvania Artillery

Captain Mark Kerns (mw 8/30)

Lieutenant Frank P. Amsden

Battery C, 5th United States Artillery

Captain Dunbar R. Ransom