▁conj unction ▁with ▁All an ▁Kost rz ew a ▁and ▁Brian ▁U rb ach ▁( members ▁of ▁the ▁Michigan ▁group ), ▁had ▁purchased ▁Lot ▁ 2 5 ▁from ▁David ▁Tob ias ▁for ▁a ▁reported ▁$ 2 3 0 , 0 0 0 ▁one ▁year ▁before ▁Tob ias ▁sold ▁the ▁rest ▁of ▁his ▁share . ▁The ▁Michigan ▁group , ▁working ▁with ▁Bl ank ens hip , ▁said ▁that ▁it ▁would ▁res ume ▁operations ▁on ▁Oak ▁Island ▁in ▁the ▁hope ▁of ▁discover ing ▁buried ▁tre asure ▁and ▁solving ▁the ▁island ' s ▁mystery . ▁ ▁In ▁July ▁ 2 0 1 0 , ▁Bl ank ens hip ▁and ▁the ▁other ▁st ake hold ers ▁in ▁Oak ▁Island ▁T ours ▁announced ▁on ▁their ▁website ▁that ▁the ▁Nova ▁Scot ia ▁Department ▁of ▁Natural ▁Resources ▁and ▁Department ▁of ▁Tour ism , ▁Culture ▁and ▁Heritage ▁had ▁granted ▁them ▁a ▁tre asure - t ro ve ▁license ▁which ▁allowed ▁them ▁to ▁res ume ▁activities ▁until ▁December ▁ 3 1 , ▁ 2 0 1 0 . ▁After ▁December ▁ 2 0 1 0 , ▁the ▁depart ments ▁repe aled ▁the ▁tre asure - t ro ve ▁license ▁and ▁replaced ▁it ▁with ▁an ▁Oak ▁Island ▁Tre asure ▁Act . ▁The ▁act , ▁which ▁became ▁effective ▁on ▁January ▁ 1 , ▁ 2 0 1 1 , ▁allows ▁tre asure ▁hunting ▁to ▁continue ▁on ▁the ▁island ▁under ▁the ▁terms ▁of ▁a ▁lic ence ▁issued ▁by ▁the ▁Minister ▁of ▁Natural ▁Resources . ▁Ex pl oration ▁by ▁the ▁Lag ina ▁brothers ▁has ▁been ▁documented