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

First Division

Major General David Birney (except 7/2 - 7/7)

Brigadier General J. H. Hobart Ward (7/2 - 7/7)

First Brigade

Brigadier General C. K. Graham (7/1 -7/2)

Colonel Andew H. Tippin (7/2 - 7/3)

Colonel Henry J. Madill (after 7/3)

57th Pennsylvania Infantry Regiment

Colonel Peter Sides (w 7/2)

Major William B. Neeper (w&c 7/2)

Captain Alanson H. Nelson (w 7/2)

63rd Pennsylvania Infantry Regiment

Major John A. Danks

68th Pennsylvania Infantry Regiment

Colonel Andrew H. Tippin

105th Pennsylvania Infantry Regiment

Colonel Calvin A. Craig

114th Pennsylvania Infantry Regiment

Lt. Colonel Frederick F. Cavada (c 7/2)

Captain Edward R. Bowen

141st Pennsylvania Infantry Regiment

Colonel Henry J. Madill (until 7/3)

Major Israel Spaulding (mw&c 7/2)

Captain Joseph H. Horton

Second Brigade

Bde. Gen. J. H. H. Ward (except 7/2 - 7/7)

Colonel Hiram Berdan (7/2 - 7/7)

20th Indiana Infantry Regiment

Colonel John Wheeler (k 7/2)

Lt. Colonel C. L. Taylor

3rd Maine Infantry Regiment

Colonel Moses B. Lakeman

4th Maine Infantry Regiment

Colonel Elijah Walker (w 7/2)

Captain Edwin Libby

Colonel Augustis Van Horne Ellis (k 7/2)

Lt. Colonel Francis M. Cummings (w 7/2)

99th Pennsylvania Infantry Regiment

Major John W. Moore

1st United States Sharpshooters

Colonel Hiram Berdan (except 7/2 - 7/7)

Lt. Colonel Caspar Trepp (7/2 - 7/7)

2nd United States Sharpshooters

Major Homer R. Stoughton

Third Brigade

Colonel Philippe Regis De Trobriand

17th Maine Infantry Regiment

Lt. Colonel Charles B. Merrill

3rd Michigan Infantry Regiment

Colonel Byron R. Pierce (w 7/2)

Lt. Colonel Edwin S. Pierce

5th Michigan Infantry Regiment

Lt. Colonel John Pulford (w 7/2)

Colonel Thomas W. Egan

110th Pennsylvania Infantry Regiment

Lt. Colonel David M. Jones (w 7/2)

Major Isaac Rogers