▁first ▁discovered ▁on ▁Bear ▁Gul ch ▁in ▁ 1 9 1 0 . ▁Over ▁ 5 3 , 0 0 0 ▁ oun ces ▁of ▁worn ▁but ▁not ▁well - r ounded ▁gold ▁were ▁recovered ▁from ▁the ▁cre ek , ▁including ▁a ▁ 1 0 0 - ounce ▁n ug get . ▁ ▁Long ▁Creek ▁Gold ▁was ▁discovered ▁on ▁Long ▁Creek ▁in ▁ 1 9 1 0 . ▁Season al ▁min ing ▁was ▁almost ▁continuous ▁until ▁ 1 9 7 7 , ▁and ▁continued ▁inter mitt ently ▁in ▁to ▁ 1 9 9 3 . ▁Early ▁work ▁was ▁done ▁by ▁under ground ▁dr ift ▁min ing , ▁later ▁work ▁by ▁open - cut ▁methods , ▁and ▁by ▁re working ▁old ▁tail ings . ▁ ▁A ▁ 4 6 - t roy ▁ ounce ▁n ug get , ▁Al aska ' s ▁ 1 9 th ▁largest , ▁was ▁m ined ▁on ▁Long ▁Creek . ▁ ▁Total ▁production ▁through ▁ 1 9 7 7 ▁may ▁exceed ▁ 7 6 , 0 0 0 ▁ oun ces ▁of ▁gold : ▁the ▁largest ▁n ug get ▁we ighed ▁ 1 3 1 ▁ oun ces ▁and ▁several ▁other ▁approximately ▁ 3 5 - ounce ▁n ug gets ▁were ▁found . ▁The ▁tin - ore ▁c ass iter ite ▁was ▁also ▁recovered . ▁ ▁Po orm an ▁Creek ▁After ▁pla cer ▁gold ▁was ▁discovered ▁in ▁ 1 9 1 2 ▁along ▁Po orm an ▁Creek ▁min ing ▁was ▁nearly ▁continuous ▁until ▁about ▁ 1 9 7 6