<http://webisa.webdatacommons.org/prov/454987700>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/52097591> .
<http://webisa.webdatacommons.org/52097591>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/52097591>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/454891409>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/52097591> .
<http://webisa.webdatacommons.org/52097591>	<http://www.w3.org/ns/prov#value>	"The filling material can include sand, crushed rock or other materials." .