PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Once the "sweet spots" in the Marcellus regions have been tapped, then we need to move on to energy resources based on something else, such as something that will not deplete and also cause all kinds of pollution problems.
http://www.w3.org/ns/prov#wasQuotedFrom
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