▁to ▁further ▁depth s . ▁The ▁Ger hard ▁sh aft ▁was ▁also ▁equ ipped ▁with ▁a ▁horse ▁mill . ▁In ▁ 1 8 4 3 ▁the ▁coal ▁res erves ▁in ▁the ▁Wilhelm ▁sh aft ▁were ▁de ple ted . ▁The ▁mine ▁was ▁then ▁shut ▁down ▁in ▁ 1 8 5 0 . ▁The ▁horse ▁mill ▁in ▁the ▁Ger hard ▁sh aft ▁was ▁dis m ant led ▁and ▁then ▁sold . ▁In ▁the ▁period ▁between ▁May ▁ 2 9 , ▁ 1 8 5 4 ▁and ▁October ▁ 1 8 , ▁ 1 8 5 6 , ▁Ze che ▁Ne ug l ück ▁& ▁St ett in ▁was ▁cons olid ated ▁under ▁the ▁St . ▁Johannes ▁Er bst oll ens ▁to ▁become ▁the ▁Ze che ▁Her ber hol z . ▁The ▁purpose ▁of ▁this ▁cons olid ation ▁was ▁to ▁allow ▁for ▁a ▁transition ▁to ▁a ▁mine ▁which ▁would ▁be ▁able ▁to ▁reach ▁deeper ▁depos its . ▁On ▁November ▁ 2 , ▁ 1 9 2 6 ▁the ▁mine ▁entered ▁operation . ▁The ▁purpose ▁of ▁this ▁re - comm ission ing ▁was ▁to ▁move ▁past ▁the ▁de grad ed ▁ore ▁which ▁had ▁been ▁above ▁the ▁St . ▁Johannes ▁Er bst oll ens . ▁The ▁Paul ▁and ▁Hugo ▁sh aft s ▁were ▁d ug ▁later ▁that ▁year . ▁Both ▁sh aft s ▁had ▁depth s ▁of ▁ 3 5 ▁meters . ▁Alt ogether , ▁there ▁were ▁two ▁t unn els ▁in ▁operation . ▁In ▁ 1 9 3 4 ▁the ▁Ze che ▁Ne ug l ück