Earthworks

Content tagged with "Porphyry"

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US Copper Porphyry Mines

Bonnie Gestring, Earthworks | August 6, 2012


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New study shows why it’s so important @WhiteHouse #cutmethane from existing #oilandgas sources. #fracking #climate twitter.com/howarth_cornel…
Cabinet #Wilderness Montanore #mining get mixed bag of approval | @sroutside bit.ly/241DzLK pic.twitter.com/jINSfJUz0Q

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