▁maps ▁that ▁were ▁just ▁two ▁years ▁older . ▁ ▁The ▁ 1 9 4 7 ▁Bo zem an ▁ 1 : 2 5 0 , 0 0 0 ▁sh aded ▁relief ▁map ▁has ▁Jefferson ▁Range , ▁but ▁the ▁ 1 9 5 8 ▁( B oz eman ▁ 1 : 2 5 0 , 0 0 0 ) ▁and ▁ 1 9 6 2 ▁( D illon ) ▁regular ▁ed itions ▁use ▁Tob acco ▁Root ▁Mountains . ▁ ▁Origin ▁of ▁name ▁ ▁The ▁basis ▁for ▁the ▁name ▁Tob acco ▁Root ▁is ▁unclear . ▁ ▁John ▁Will ard ▁ ▁says ▁" Ind ians ▁and ▁early ▁tra ppers ▁found ▁a ▁root ▁in ▁these ▁mountains ▁that , ▁when ▁d ried ▁and ▁mixed ▁with ▁lar b , ▁made ▁a ▁suitable ▁substitute ▁for ▁real ▁to b acco . ▁ ▁The ▁root ▁was ▁a ▁species ▁of ▁mul lein ." ▁ ▁The ▁term ▁" to b acco ▁root " ▁is ▁also ▁an ▁old ▁name ▁for ▁species ▁of ▁ar nica ; ▁native ▁and ▁European - int rodu ced ▁ar nica ▁are ▁wild flow ers ▁in ▁Western ▁Mont ana , ▁including ▁the ▁Tob acco ▁Root ▁Mountains . ▁ ▁T ans ley , ▁Sh af fer ▁and ▁Hart ▁( 1 9 3 3 ) ▁attribute ▁the ▁practice ▁of ▁dry ing ▁a ▁species ▁of ▁mul lein ▁and ▁mixing ▁it ▁with ▁k inn ik in ic ▁( b ear berry ) ▁to ▁replace ▁to b acco ▁to ▁John ▁Edwards , ▁a ▁prospect or ▁from ▁Fl int ▁Creek , ▁in ▁the ▁ 1 8 6 0