 A short break in the fighting occurred as Lt. Gen. A. P. Hill rotated in a fresh division to carry on the attacks on the Federal lines near Gettysburg.The 151st Pennsylvania ensconced itself in the barricade before the Seminary, along with the 4th U.S. Light Artillery, Battery B and infantry of Rowley's brigade and the Iron Brigade.The Confederate division of Maj. Gen. William Dorsey Pender advanced toward Seminary Ridge and renewed the assault on the breaking Federal lines.