 Complete the following phrase:  During the Battle of Albert 23 August 83rd Bdes batteries fired in support of the French XXXI Corps. By early September hostile shelling was well below normal levels, and as the enemy pulled back out of range 83rd Bdes batteries were placed in GHQ Reserve. The guns then moved up to support the successful surprise attack of the Battle of Épehy 18 September, when the massed artillery crushed a German counter-attack. Fourth Army had now closed up to the Hindenburg Line. On 29 September 83rd Bde supported 46th North Midland Divisions attack on the 