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

Third Division

Brigadier General Silas Casey

First Brigade

Brigadier General H. M. Naglee

11th Maine Infantry Regiment

Colonel John C. Caldwell

56th New York Infantry Regiment

Colonel Charles H. Van Wyck

100th New York Infantry Regiment

Colonel James M. Brown

52nd Pennsylvania Infantry Regiment

Colonel John C. Dodge Jr.

104th Pennsylvania Infantry Regiment

Colonel William W. H. Davis

Second Brigade

Brigadier General William H. Keim

96th New York Infantry Regiment

Colonel James Fairman

85th Pennsylvania Infantry Regiment

Colonel Joshua B. Howell

101st Pennsylvania Infantry Regiment

Colonel Joseph H. Wilson

103rd Pennsylvania Infantry Regiment

Colonel Theodore F. Lehmann

Third Brigade

Brigadier General I. N. Palmer

81st New York Infantry Regiment

Colonel Edwin Rose

85th New York Infantry Regiment

Colonel Uriah L. Davis

92nd New York Infantry Regiment

Colonel Jonah Sanford

93rd New York Infantry Regiment

Colonel John S. Crocker

98th New York Infantry Regiment

Colonel William Dutton

Artillery

1st New York Artillery, Battery A

1st New York Artillery, Battery H

7th New York Independent Battery

8th New York Independent Battery