About: http://webisa.webdatacommons.org/168748141

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	FIG. 1 is a diagrammatical vertical section taken through a portion of the earth showing arrangement of apparatus for gasifying coal in situ, together with the arrangement of apparatus of above ground equipment shown in block form.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com