. ▁ ▁B rag g ' s ▁plan ▁was ▁for ▁an ▁attack ▁on ▁the ▁supposed ▁Union ▁left ▁fl ank ▁by ▁the ▁corps ▁of ▁Maj . ▁G ens . ▁Simon ▁B . ▁Buck ner , ▁John ▁Bell ▁H ood , ▁and ▁W . H . T . ▁Walker , ▁screen ed ▁by ▁Brig . ▁Gen . ▁Nathan ▁Bed ford ▁For rest ' s ▁caval ry ▁to ▁the ▁north , ▁with ▁Maj . ▁Gen . ▁Benjamin ▁F . ▁Che ath am ' s ▁division ▁held ▁in ▁reserve ▁in ▁the ▁center ▁and ▁Maj . ▁Gen . ▁Patrick ▁R . ▁Cle bur ne ' s ▁division ▁in ▁reserve ▁at ▁Th ed ford ' s ▁Ford . ▁Maj . ▁Gen . ▁Thomas ▁C . ▁H ind man ' s ▁division ▁faced ▁C ritt enden ▁at ▁Lee ▁and ▁Gordon ' s ▁Mill ▁and ▁Bre ck in ridge ' s ▁faced ▁Neg ley . ▁ ▁The ▁Battle ▁of ▁Ch ick am aug a ▁opened ▁almost ▁by ▁accident , ▁when ▁pick ets ▁from ▁Col . ▁Daniel ▁McC ook ' s ▁brig ade ▁of ▁Gr anger ' s ▁Reserve ▁Corps ▁moved ▁toward ▁Jay ' s ▁Mill ▁In ▁search ▁of ▁water . ▁McC ook ▁had ▁moved ▁from ▁Ross ville ▁on ▁September ▁ 1 8 ▁to ▁aid ▁Col . ▁Robert ▁M int y ' s ▁brig ade . ▁His ▁men ▁established ▁a ▁def ensive ▁position ▁several ▁hundred ▁yards ▁north west ▁of ▁Jay ' s ▁Mill , ▁about ▁equally ▁distant ▁from ▁where ▁the ▁ 1 st ▁Georgia ▁Caval ry ▁waited ▁through ▁the ▁night ▁south ▁of