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Save The Gorillas, stop mining Coltan! Sep 30 2001; Trish; 2216 Signatures; #Animal Rights , We know that your respective companies use coltan for your products...

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Magma Coltan is a leading coltan company in Costa Rica Coltan is a mineral comprising of columbite and , tantalum mining procedure in South Africa - Gold ,...

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Save The Gorillas, stop mining Coltan! Sep 30 2001; Trish; 2216 Signatures; #Animal Rights , We know that your respective companies use coltan for your products...

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, the top ten richest mining companies , Mining operations in South Africa followed by Chile generated the biggest share of the company's revenue in 2013...

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, has at least 64 percent of worldwide reserves of coltan, , had identified 157 companies and individuals from around the world , mining, with no controls, is ....

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