rew ▁the ▁permit . ▁The ▁grounds ▁for ▁this ▁measure ▁lay ▁in ▁both ▁the ▁exit ▁and ▁entry ▁se ams . ▁Both ▁of ▁these ▁se ams ▁laid ▁above ▁the ▁M aus g att ▁and ▁its ▁lower ▁bank ▁and ▁the ▁b ureau ▁of ▁mines ▁instruct ed ▁it ▁to ▁be ▁dis ass emble d . ▁The ▁mine ▁was ▁then ▁shut ▁down ▁in ▁ 1 7 9 6 . ▁The ▁mine ▁remained ▁in ▁this ▁state ▁until ▁the ▁ 1 9 th ▁century . ▁In ▁ 1 8 1 1 ▁the ▁St .- J oh annes - Er bst ol len ▁s ough ▁connected ▁with ▁the ▁mines . ▁ ▁The ▁Later ▁Years ▁In ▁ 1 8 2 4 ▁the ▁mine ▁restored ▁its ▁operations ▁under ▁a ▁new ▁name ▁as ▁Ze che ▁Ne ug l ück ▁& ▁St ett in . ▁Meanwhile , ▁the ▁stud ▁has ▁progress ed ▁so ▁far ▁that ▁Under ground ▁mine ▁vent ilation ▁through ▁a ▁sh aft ▁required ▁improvements . ▁In ▁November ▁of ▁the ▁same ▁year , ▁construction ▁of ▁the ▁Wilhelm ▁sh aft ▁had ▁begun . ▁The ▁sh aft ▁was ▁d ug ▁and ▁supported ▁along ▁the ▁se am . ▁For ▁its ▁construction , ▁the ▁Wilhelm ▁sh aft ▁was ▁first ▁equ ipped ▁with ▁H asp el ▁( ho ists ). ▁Under ▁certain ▁weather ▁conditions ▁the ▁mine ▁work ings ▁were ▁vulner able ▁to ▁changing ▁weather ▁conditions ▁( W etter we chsel ). ▁The ▁mine ▁was ▁then ▁properly ▁aligned ▁in ▁ 1 8 2 5 ▁and ▁later ▁in ▁the ▁same ▁year ▁its ▁vulner ability ▁was ▁reduced . ▁The ▁min ing ▁of