About: http://webisa.webdatacommons.org/45340679

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 originates from plant material such as ferns, trees, bark, leaves, and seeds that accumulated and settled in swamps.
http://www.w3.org/ns/prov#wasQuotedFrom	nmt.edu