<http://webisa.webdatacommons.org/prov/426194243>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/245124458> .
<http://webisa.webdatacommons.org/245124458>	<http://www.w3.org/ns/prov#value>	"Sampling of various aggregate materials is commonly required in the construction, mining and other industries to insure that the materials meet the required specifications for quality, composition, and/or gradation." .
<http://webisa.webdatacommons.org/245124458>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/245124458>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/99414938>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/245124458> .