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Tungsten's Tainted Trail

By Mike Smith - 2013-08-08T15:33:40Z

Photograph by Carlos Villalon/Bloomberg Markets

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Supply Chain

Workers load supplies on boats at a river landing near San Jose del Guaviare, Colombia, where minerals from Tiger Hill are taken to trucks headed to ports to be shipped abroad. There, truckers have papers making it appear that the ore comes from a legal mine, workers from the port and police say. 

Click here to read more about tungsten’s tainted trail in the September 2013 issue of Bloomberg Markets.

For more stories from Bloomberg Markets, click here.