<http://webisa.webdatacommons.org/102759361>	<http://www.w3.org/ns/prov#value>	"slate, limestone and other minerals" .
<http://webisa.webdatacommons.org/prov/24131518>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/102759361> .
<http://webisa.webdatacommons.org/prov/223498665>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/102759361> .
<http://webisa.webdatacommons.org/102759361>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/102759361>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<loc.gov> .