, ▁the ▁senior ▁lieutenant ▁general ▁on ▁the ▁field ▁( but ▁junior ▁to ▁Long street ), ▁was ▁given ▁the ▁right ▁wing ▁and ▁command ▁of ▁Hill ' s ▁Corps , ▁Walker ' s ▁Corps , ▁and ▁Che ath am ' s ▁Division . ▁Pol k ▁was ▁ordered ▁to ▁initi ate ▁the ▁assault ▁on ▁the ▁Federal ▁left ▁at ▁day break , ▁beginning ▁with ▁the ▁division ▁of ▁Bre ck in ridge , ▁followed ▁progress ively ▁by ▁Cle bur ne , ▁Stewart , ▁H ood , ▁Mc L aws , ▁Bush rod ▁Johnson , ▁H ind man , ▁and ▁Pr eston . ▁Inform ed ▁that ▁L t . ▁Gen . ▁James ▁Long street ▁had ▁just ▁arrived ▁by ▁train ▁from ▁Virginia , ▁B rag g ▁designated ▁him ▁as ▁the ▁left ▁wing ▁commander , ▁command ing ▁H ood ' s ▁Corps , ▁Buck ner ' s ▁Corps , ▁and ▁H ind man ' s ▁Division ▁of ▁Pol k ' s ▁Corps . ▁( Long street ▁arrived ▁late ▁on ▁the ▁night ▁of ▁September ▁ 1 9 , ▁and ▁had ▁to ▁find ▁his ▁way ▁in ▁the ▁dark ▁to ▁B rag g ' s ▁headquarters , ▁since ▁B rag g ▁did ▁not ▁send ▁a ▁guide ▁to ▁meet ▁him . ▁Long street ▁found ▁B rag g ▁as leep ▁and ▁w oke ▁him ▁around ▁ 1 1 ▁p . m . ▁B rag g ▁told ▁Long street ▁he ▁would ▁take ▁charge ▁of ▁the ▁left ▁wing , ▁explained ▁his ▁battle ▁plan ▁for ▁September ▁ 2 0 , ▁and ▁provided ▁Long street ▁a ▁map ▁of ▁the ▁area