▁put ▁to ▁work ▁to ▁repair ▁the ▁roads ▁and ▁rail ways ▁destroyed ▁by ▁the ▁retre ating ▁enemy . ▁ ▁Bul le court ▁Under ▁heavy ▁shell fire ▁during ▁the ▁night ▁of ▁ 1 3 / 1 4 ▁May , ▁ 1 7 3 rd ▁B de ▁rel ieved ▁the ▁ 1 5 th ▁Australian ▁Brigade , ▁which ▁had ▁been ▁attack ing ▁at ▁the ▁Second ▁Battle ▁of ▁Bul le court . ▁ 2 / 3 rd ▁and ▁ 2 / 4 th ▁Batt al ions ▁formed ▁the ▁front ▁line , ▁with ▁two ▁companies ▁of ▁ 2 / 2 nd ▁B n ▁in ▁support . ▁A ▁serious ▁counter - att ack ▁against ▁the ▁brig ade ' s ▁position ▁on ▁ 1 5 ▁May ▁was ▁broken ▁up ▁by ▁shell ▁and ▁small ▁arms ▁fire ; ▁a ▁lod g ement ▁in ▁ 2 / 3 rd ▁B n ' s ▁line ▁was ▁driven ▁out ▁with ▁the ▁help ▁of ▁A ▁Company ▁of ▁the ▁ 2 / 2 nd . ▁After ▁two ▁days ▁in ▁the ▁line , ▁suffering ▁heavy ▁cas ual ties ▁under ▁bomb ard ment , ▁ 2 / 3 rd ▁and ▁ 2 / 4 th ▁B ns ▁had ▁to ▁be ▁with dra wn ▁and ▁replaced ▁by ▁the ▁rest ▁of ▁the ▁brig ade . ▁ 1 7 3 rd ▁Brigade ▁was ▁rel ieved ▁by ▁ 1 7 5 th ▁B de ▁on ▁ 2 1 ▁May . ▁On ▁ 1 5 ▁June ▁the ▁brig ade ▁carried ▁out ▁a ▁carefully ▁re he ars ed ▁attack ▁to ▁take ▁the ▁last ▁portion ▁of