<http://webisa.webdatacommons.org/prov/166854130>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/119299752> .
<http://webisa.webdatacommons.org/119299752>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<niir.org> .
<http://webisa.webdatacommons.org/119299752>	<http://www.w3.org/ns/prov#value>	"Coal is a rock formed by geological process and is composed of a number of distinct organic entities (macerals) and lesser amounts of inorganic substances (minerals)." .
<http://webisa.webdatacommons.org/119299752>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .