| http://www.w3.org/ns/prov#value | - But in the early 1990s the essential life source began shrinking, grew contaminated, and by 2001 water that had coursed through his village for centuries had vanished -- leaving a rocky riverbed, thirsty herds, and devastated families. [8]The dramatic dry-up was the result of unregulated hydraulic mining that used high-pressure water systems to extract gold and other minerals, the National Geog
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