About: http://webisa.webdatacommons.org/77261027

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	Marcellus Shale is a Devonian formation situated within North America???s Allegheny Plateau.
http://www.w3.org/ns/prov#wasQuotedFrom	construction.com