<http://webisa.webdatacommons.org/111929421>	<http://www.w3.org/ns/prov#value>	"'Coal' is a generic term for a great number of mixtures of often large and complex organic compounds, usually also containing metals and other contaminants." .
<http://webisa.webdatacommons.org/111929421>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<environmental-expert.com> .
<http://webisa.webdatacommons.org/111929421>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/208475393>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/111929421> .