▁the ▁president , ▁and ▁advanced ▁to ▁the ▁position ▁of ▁assistant ▁tell er . ▁In ▁ 1 8 5 5 ▁he ▁made ▁his ▁way ▁to ▁Des ▁Mo ines , ▁Iowa ▁and ▁became ▁tell er ▁in ▁the ▁bank ▁of ▁A . ▁J . ▁Stevens ▁& ▁Company . ▁M off at ▁then ▁became ▁c ash ier ▁of ▁the ▁Bank ▁of ▁Neb r aska , ▁owned ▁by ▁B . ▁F . ▁Ali en , ▁of ▁Des ▁Mo ines ▁Iowa . ▁He ▁moved ▁to ▁Den ver , ▁Colorado ▁in ▁ 1 8 6 0 ▁where ▁he ▁opened ▁a ▁book store ▁on ▁ 1 5 th ▁and ▁Lar imer . ▁The ▁book ▁and ▁station ery ▁store ▁was ▁not ▁highly ▁prof itable , ▁so ▁after ▁a ▁few ▁years ▁he ▁went ▁back ▁to ▁bank ing . ▁On ▁April ▁ 1 7 , ▁ 1 8 6 5 ▁the ▁First ▁National ▁Bank ▁of ▁Den ver , ▁was ▁organized . ▁It ▁had ▁little ▁success ▁until ▁ 1 8 6 7 , ▁when ▁M off at ▁was ▁elected ▁c ash ier . ▁He ▁remained ▁the ▁cont rolling ▁mind ▁in ▁the ▁institution ▁until ▁his ▁death , ▁being ▁elected ▁to ▁the ▁presiden cy ▁in ▁ 1 8 8 0 . ▁He ▁instit uted ▁policies ▁and ▁methods ▁which ▁led ▁to ▁the ▁growth ▁and ▁success ▁of ▁the ▁bank ▁for ▁years ▁to ▁come . ▁ ▁Rail road ▁In vol vement ▁ ▁Den ver ▁Pacific ▁Railway ▁The ▁construction ▁of ▁the ▁Den ver ▁Pacific ▁Railway ▁linking ▁Che y enne ▁and ▁Den ver ▁was ▁widely ▁cred ited ▁at ▁the ▁time ▁for ▁rev