<http://webisa.webdatacommons.org/274176354>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikipedia.org> .
<http://webisa.webdatacommons.org/274176354>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/274176354>	<http://www.w3.org/ns/prov#value>	"Gravelly materials such as crushed rocks give better results.[12]" .
<http://webisa.webdatacommons.org/prov/454987700>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/274176354> .