About: http://webisa.webdatacommons.org/395699697

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 remaining 80 to 85 percent is mineral matter, including clay and sands, and around four to six percent is water. ??? The rest of this article is only available to active members of Questia
http://www.w3.org/ns/prov#wasQuotedFrom	questia.com