About: http://webisa.webdatacommons.org/86550569

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	Referring now to the drawings, and particularly to FIGS. 1 and 2, a coal deposit 1 is shown positioned beneath an overburden 2 and penetrated by a plurality of wellbores 4, 5, and 6 from the surface 3.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com