<http://webisa.webdatacommons.org/prov/454987692>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/448511856> .
<http://webisa.webdatacommons.org/prov/295025052>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/448511856> .
<http://webisa.webdatacommons.org/448511856>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<geocheminc.com> .
<http://webisa.webdatacommons.org/448511856>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/448511856>	<http://www.w3.org/ns/prov#value>	"interlocking with surrounding soil, rock, earth and other surrounding materials" .