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Photos of a remote $200-million mine cleanup in Washington State

Michael Allan McCrae | August 19, 2014 | 6:42 pm Base Metals Precious Metals Top Companies Copper Gold 

The Holden Mine cleanup is a remediation project costing upwards of a $200 million at a remote access site in central Washington State to fix environmental damage from an underground copper mine that operated over 50 years ago. The mine has...

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