About: http://webisa.webdatacommons.org/146500288

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Coal was an essential fuel and an important prerequisite for a functioning economy and since only small quantities were found up to 1833, the discovery and subsequent exploitation of the Coal Mines was of considerable importance.
http://www.w3.org/ns/prov#wasQuotedFrom	environment.gov.au