Third Brigade, Cavalry Division

U.S.A.

Third Brigade, Cavalry Division.

Col. Richard H. Rush, 6th Pennsylvania Cavalry,

Commanding.

Organization.

4th and 6th Pennsylvania Cavalry.

(September 17, 1862.)

The Third Brigade supported Battery A, (Tidball's) 2nd U.S. Artillery in its advance, piece by piece, to the crest of the ridge in front, by ...