PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Dr. HUBBERT. It has been going on, the record is unequivocal, since 1910, disregarding the disturbance of World War I. Mr. UDALL. My second question is, as one has been right when others were wrong in terms of the availability of petroleum, I understand from your statement here and other information that we peaked in U.S. oil production about 3 or 4 years ago, 1970 or 1971.
http://www.w3.org/ns/prov#wasQuotedFrom
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