<http://webisa.webdatacommons.org/prov/458323501>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15964546> .
<http://webisa.webdatacommons.org/15964546>	<http://www.w3.org/ns/prov#value>	"The earth strata is made up of layers or rock, shale, clays, silts and other materials." .
<http://webisa.webdatacommons.org/15964546>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/459891705>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15964546> .
<http://webisa.webdatacommons.org/prov/454987692>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15964546> .
<http://webisa.webdatacommons.org/15964546>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freerepublic.com> .