About: http://webisa.webdatacommons.org/412090284

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The publication and patents referred to above teach that steam or other heated fluids can be injected into horizontal drill holes or laterals extending from a large diameter shaft hole.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com