PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Green Mountain Services of Houston; Allegheny Ozone of Somerset, Pa.; and Lake Country FracWater Specialists from Tioga, Pa., are promoting a new two-part process designed to recycle water used throughout the drilling process including fracking.
http://www.w3.org/ns/prov#wasQuotedFrom
  • vindy.com