About: http://webisa.webdatacommons.org/429130609

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	Gravel is a combination of stone, sand, and clay, and it compacts to a much more stable base than loose stone.
http://www.w3.org/ns/prov#wasQuotedFrom	drivewaytips.com