About: http://webisa.webdatacommons.org/372368654

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, formed from the dead remains of trees, ferns and other plants that lived 300 to 400 million years ago, was first discovered in Illinois in 1673.
http://www.w3.org/ns/prov#wasQuotedFrom	ben.edu