aw ▁and ▁Hum ph rey . ▁So on ▁there after , ▁the ▁Confeder ate ▁division ▁of ▁Bush rod ▁Johnson ▁advanced ▁against ▁the ▁western ▁end ▁of ▁the ▁r idge , ▁seriously ▁threaten ing ▁the ▁Union ▁fl ank . ▁But ▁as ▁they ▁reached ▁the ▁top ▁of ▁the ▁r idge , ▁they ▁found ▁that ▁fresh ▁Union ▁rein for c ements ▁had ▁arrived . ▁ ▁Through out ▁the ▁day , ▁the ▁sounds ▁of ▁battle ▁had ▁reached ▁ 3 ▁miles ▁north ▁to ▁Mc A fe e ' s ▁Church , ▁where ▁the ▁Reserve ▁Corps ▁of ▁Maj . ▁Gen . ▁Gordon ▁Gr anger ▁was ▁station ed . ▁Gr anger ▁eventually ▁lost ▁p atience ▁and ▁sent ▁rein for c ements ▁south ▁without ▁receiving ▁explicit ▁orders ▁to ▁do ▁so — the ▁two ▁brig ades ▁of ▁Maj . ▁Gen . ▁James ▁B . ▁Ste ed man ' s ▁division ▁and ▁the ▁brig ade ▁of ▁Col . ▁Daniel ▁McC ook . ▁As ▁the ▁men ▁march ed , ▁they ▁were ▁har ass ed ▁by ▁For rest ' s ▁dis mount ed ▁caval ry men ▁and ▁art illery , ▁causing ▁them ▁to ▁ve er ▁toward ▁the ▁west . ▁McC ook ' s ▁brig ade ▁was ▁left ▁behind ▁at ▁the ▁Mc Donald ▁house ▁to ▁guard ▁the ▁rear ▁and ▁Ste ed man ' s ▁two ▁brig ades ▁reached ▁the ▁Union ▁lines ▁in ▁the ▁rear ▁of ▁the ▁H ors es ho e ▁R idge ▁position , ▁just ▁as ▁Johnson ▁was ▁starting ▁his ▁attack . ▁Gr anger ▁sent ▁Ste ed man ' s ▁men ▁into ▁Johnson ' s ▁path