6 4 . ▁Battle ▁of ▁Jenkins ' ▁Fer ry , ▁Ark ansas ▁April ▁ 3 0 , ▁ 1 8 6 4 . ▁ ▁Following ▁Colonel ▁Gr inst ead ' s ▁death ▁at ▁Jenkins ▁Fer ry , ▁Lieutenant ▁Colonel ▁Thomas ▁David ▁Thom son ▁( origin ally ▁first ▁lieutenant ▁of ▁Co . ▁B ) ▁was ▁promoted ▁to ▁colon el , ▁command ing ▁ 3 3 rd ▁Ark ansas , ▁to ▁rank ▁from ▁April ▁ 3 0 , ▁ 1 8 6 4 . ▁ ▁Close ▁of ▁the ▁war ▁ ▁On ▁ 1 ▁September ▁ 1 8 6 4 , ▁Brig ad ier ▁General ▁James ▁C . ▁T app an ▁reported ▁that ▁Colonel ▁Thompson ' s ▁regiment ▁was ▁assigned ▁to ▁T app an ' s ▁Brigade . ▁ ▁On ▁the ▁same ▁day ▁Brig ad ier ▁General ▁T app an ▁reported ▁that ▁the ▁assigned ▁strength ▁of ▁Hard y ' s ▁Regiment ▁ 1 9 th ▁Ark ansas ▁Infantry ▁Regiment ▁( H ard y ' s ) ▁and ▁Thompson ' s ▁Regiment ▁was ▁ 7 8 7 ▁men , ▁of ▁which ▁only ▁ 3 7 3 ▁were ▁armed . ▁ ▁On ▁ 3 0 ▁September ▁ 1 8 6 4 , ▁General ▁Kir by ▁Smith ' s ▁report ▁on ▁the ▁organization ▁of ▁the ▁Army ▁of ▁the ▁Trans - Miss iss ippi ▁lists ▁the ▁ 3 3 rd ▁Ark ansas , ▁under ▁the ▁command ▁of ▁Lieutenant ▁Colonel ▁Thompson , ▁as ▁belonging ▁to ▁Brig ad ier ▁General ▁James ▁C . ▁T app an ' s , ▁ 3 rd