| http://www.w3.org/ns/prov#value | - It???s basically just using gravity to pull it all down.???The rocks were then pounded into nugget-sized chunks in hopes of exposing the gold.Worick said the site proved to be particularly rich, and probably still is.???They???re still finding a lot of gold out there,??? he said. ???It just costs so much to extract it.???Now it???s a site that???s rich for other reasons.???This is very rare,??? sa
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