PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ppen,??? Department of Energy Deputy Assistant Secretary for Oil and Gas Christopher Smith said recently at a natural gas conference in Washington, DC. His comments bear on other forms of energy production and use as well, as environmental activists at the conference noted many concerns about natural gas production are as much related to the sudden arrival of large-scale industrial activity as to
http://www.w3.org/ns/prov#wasQuotedFrom
  • earthtechling.com