<http://webisa.webdatacommons.org/31976201>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/31976201>	<http://www.w3.org/ns/prov#value>	"extraction of coal and other minerals and ores." .
<http://webisa.webdatacommons.org/prov/218097485>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/31976201> .
<http://webisa.webdatacommons.org/31976201>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .