PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • il Shale ??? 800,000,000,000 ??? 2,000,000,000,000 barrels of oilContinental Shelf (East & West Coast) ??? 115,000,000,000 barrels of oilANWR ??? 10,000,000,000 barrels of oilHow fast any of these assets could be brought on line is an issue.
http://www.w3.org/ns/prov#wasQuotedFrom
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