<http://webisa.webdatacommons.org/372171942>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/372171942>	<http://www.w3.org/ns/prov#value>	" aggregates such as sand and gravel." .
<http://webisa.webdatacommons.org/prov/287373706>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/372171942> .
<http://webisa.webdatacommons.org/372171942>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .
<http://webisa.webdatacommons.org/prov/424921159>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/372171942> .