, ▁and ▁its ▁area ▁became ▁Ch ere p ov ets ▁Ok rug ▁of ▁L ening rad ▁O blast . ▁Sim ult ane ously , ▁u ye z ds ▁were ▁abol ished , ▁and ▁Pr is he ks n in sky ▁District ▁with ▁the ▁center ▁of ▁Nikol sko ye ▁was ▁established . ▁On ▁September ▁ 2 3 , ▁ 1 9 3 7 ▁Pr is he ks n in sky ▁District ▁was ▁transferred ▁to ▁newly ▁established ▁V olog da ▁O blast . ▁ ▁In ▁ 1 9 5 4 ▁the ▁Nikol sko ye ▁obtained ▁the ▁status ▁of ▁urban - type ▁settlement ▁and ▁was ▁remained ▁into ▁She ks na . ▁In ▁ 1 9 5 9 , ▁Pr is he ks n in sky ▁District ▁was ▁abol ished ▁and ▁merged ▁with ▁Ch y obs ar sky ▁District . ▁On ▁December   1 3 , ▁ 1 9 6 2 ▁Ch y obs ar sky ▁District ▁was ▁abol ished ▁as ▁well , ▁and ▁She ks na ▁was ▁moved ▁to ▁Ch ere p ov et sky ▁District . ▁In ▁ 1 9 6 3 - 1 9 6 4 ▁the ▁She ks na ▁H ydro elect ric ▁dam ▁was ▁constructed . ▁On ▁January   1 2 , ▁ 1 9 6 5 ▁She ks n in sky ▁District ▁with ▁the ▁administrative ▁center ▁in ▁She ks na ▁was ▁established . ▁ ▁Econom y ▁ ▁Indust ry ▁The ▁economy ▁of ▁She ks na ▁is ▁based ▁on ▁food ▁industry . ▁The ▁She ks na ▁H yd rop ower ▁Plant ,