Upstream is the poisonous Berkeley pit, an open-pit mine in Butte, which was once called the Richest Hill on Earth for the quantities of gold, silver and copper mined there.
上游是有毒的伯克利矿坑，一个比尤特的露天矿。它曾经被称为地球上最富有的矿山，因为这里的金、银和铜矿数量巨大。
Dexing copper mine in Jiangxi province is the biggest open-pit non-ferrous metal mine in China, and it is a porphyry copper deposit.
江西德兴铜矿是我国最大的有色露天金属矿，属斑岩型铜矿山。
The hydrogeologic conditions of Anqing copper mine are analyzed herein based on data of pit water gushing and observation of groundwater level.
本文利用矿坑突（涌）水资料及矿区地下水位观测资料对安庆铜矿水文地质条件进行分析和概化。
The hydrogeologic conditions of Anqing copper mine are analyzed herein based on data of pit water gushing and observation of groundwater level.
在参考大量资料的基础上，针对安庆铜矿深部大直径深孔法开采的稳定性进行研究。
The hydrogeologic conditions of Anqing copper mine are analyzed herein based on data of pit water gushing and observation of groundwater level.
在参考大量资料的基础上，针对安庆铜矿深部大直径深孔法开采的稳定性进行研究。
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