▁as ▁far ▁back ▁as ▁ 1 8 3 4 ▁and ▁m ined ▁in ▁earnest ▁since ▁ 1 8 5 8 . ▁ ▁The ▁town , ▁which ▁was ▁the ▁fourth ▁founded ▁in ▁northern ▁Colorado , ▁was ▁then ▁within ▁western ▁Kansas ▁Territ ory . ▁ ▁The ▁ 1 8 6 0 ▁census ▁found ▁ 8 0 ▁people ▁living ▁at ▁" Ar rap ah oe ▁City ," ▁including ▁ 1 7 ▁females . ▁ ▁An ▁A rap ah oe ▁Post ▁Office ▁operated ▁from ▁January ▁ 1 7 , ▁ 1 8 6 0 , ▁until ▁October ▁ 1 2 , ▁ 1 8 6 1 . ▁ ▁A rap ah oe ▁had ▁fifty ▁houses , ▁r anging ▁from ▁t ents ▁to ▁log ▁cab ins ▁and ▁buildings . ▁ ▁But ▁the ▁easily ▁accessible ▁parts ▁of ▁the ▁pla cers ▁were ▁quickly ▁exha usted , ▁and ▁the ▁rapid ▁growth ▁of ▁the ▁town ▁of ▁Golden ▁a ▁few ▁miles ▁west ▁caused ▁many ▁in ▁A rap ah oe ▁to ▁phys ically ▁move ▁their ▁log ▁buildings ▁to ▁Golden , ▁so ▁that ▁by ▁the ▁end ▁of ▁ 1 8 6 0 , ▁A rap ah oe ▁City ▁had ▁shr unk ▁to ▁just ▁a ▁few ▁cab ins . ▁ ▁By ▁ 1 8 6 7 , ▁the ▁town ▁was ▁entirely ▁gone . ▁ ▁A rap ah oe ▁Bar ▁was ▁later ▁m ined ▁by ▁hyd ra ul ic ▁min ing ▁( 1 8 8 0 s ) ▁and ▁d red ge ▁min ing ▁( 1 9 0 4 – 0 7 ), ▁featuring ▁two ▁of ▁the