▁is ▁an ▁open - pit ▁min ing ▁explo itation , ▁one ▁of ▁the ▁largest ▁in ▁Roman ia ▁located ▁in ▁R ov in ari , ▁Gor j ▁County . ▁The ▁legal ▁entity ▁man aging ▁the ▁Ro ș ia ▁- ▁Pe ște ana ▁mine ▁is ▁the ▁National ▁Company ▁of ▁L ign ite ▁Ol ten ia ▁which ▁was ▁set ▁up ▁in ▁ 1 9 9 7 . ▁ ▁The ▁explo itation ▁has ▁three ▁open ▁p its ▁Ro ș ia , ▁Pe ște ana ▁Nord , ▁Pe ște ana ▁Sud - U rd ar ▁that ▁produced ▁ 7 . 2 ▁million ▁t onnes ▁of ▁l ign ite ▁in ▁ 2 0 0 8 . ▁The ▁mine ▁has ▁around ▁ 2 , 9 0 0 ▁workers ▁and ▁is ▁end owed ▁with ▁ 1 9 ▁bucket - w heel ▁exc av ators , ▁ 1 2 ▁spread ers , ▁one ▁mixed ▁machine ▁and ▁three ▁depos its ▁spread er . ▁The ▁total ▁proven ▁recover able ▁res erves ▁of ▁the ▁mine ▁amount ▁to ▁ 1 1 2 ▁million ▁t onnes ▁of ▁l ign ite . ▁ ▁References ▁ ▁Category : Co al ▁mines ▁in ▁Roman ia <0x0A> </s> ▁The odore ▁H arden ▁( 1 8 3 0 ▁– ▁ 1 9 0 0 ) ▁was ▁a ▁member ▁of ▁the ▁Queensland ▁Legisl ative ▁Assembly . ▁ ▁H arden ▁won ▁the ▁seat ▁of ▁Mitchell ▁in ▁ 1 8 6 6 . ▁He ▁res igned ▁later ▁in ▁the ▁year ▁because ▁he ▁was ▁elected ▁against ▁his ▁knowledge ▁and ▁wishes . ▁His ▁brother ▁Henry ▁was ▁a