About: http://webisa.webdatacommons.org/69340675

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	Rocks and other aggregate material are forced forwardly and downwardly, making their release and transport to the surface more difficult.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com