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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 subsoil can include soil, sand, gravel, rock, andorganic materials such as compost or composted biosolids (composted sewage treatmentplant sludge).
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net