PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • drilling for natural gas, and other rigs (not shown) drilling for miscellaneous purposes, such as other service wells, injection wells, and
http://www.w3.org/ns/prov#wasQuotedFrom
  • eia.gov