▁many ▁with ▁the ▁bay on et ▁and ▁capt uring ▁a ▁large ▁number ▁of ▁prisoners ... ▁ ▁Confeder ate ▁units ▁under ▁Johnson ' s ▁command ▁during ▁the ▁battle ▁were ▁the ▁ 1 2 th ▁Georgia ▁Regiment , ▁the ▁ 5 2 nd ▁Virginia , ▁the ▁ 3 1 st ▁Virginia , ▁a ▁det achment ▁of ▁Pitts ylvan ia ▁( V ir gin ia ) ▁caval ry , ▁which ▁fought ▁dis mount ed ▁with ▁car b ines , ▁and ▁the ▁" Le e ▁B atter y " ▁of ▁Virginia ▁light ▁art illery , ▁consisting ▁of ▁four ▁pieces . ▁ ▁After math ▁The ▁battle , ▁though ▁considered ▁ins ign ific ant ▁compared ▁to ▁later ▁batt les ▁in ▁the ▁Civil ▁War , ▁was ▁actually ▁one ▁of ▁the ▁blood iest ▁in ▁the ▁initial ▁year ▁of ▁the ▁war ▁( A pril - Dec ember ▁ 1 8 6 1 ). ▁The ▁Union ▁cas ual ties ▁are ▁estimated ▁at ▁ 1 3 7 ▁and ▁Confeder ate ▁cas ual ities ▁at ▁ 1 4 7 . ▁Johnson ▁would ▁receive ▁the ▁nick name ▁" Al leg hen y " ▁Johnson ▁for ▁his ▁role ▁at ▁the ▁battle ▁and ▁for ▁command ing ▁the ▁forb idd ing ▁mountain ▁post . ▁▁ ▁Iron ically , ▁the ▁Confeder ates ▁had ▁received ▁orders ▁to ▁withdraw ▁a ▁few ▁days ▁prior ▁to ▁the ▁battle . ▁But ▁the ▁failed ▁Union ▁assault ▁convinced ▁the ▁Confeder ate ▁higher ▁command ▁to ▁rein force ▁Johnson ’ s ▁force ▁in ▁place ▁at ▁Camp ▁Al leg hen y ▁with ▁five ▁reg iments ▁through ▁the ▁remainder ▁of ▁the