About: http://webisa.webdatacommons.org/183656030

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 found in the U.S. formed from trees, ferns, and other plants that lived 300-500 million years ago. 3 How did coal form?
http://www.w3.org/ns/prov#wasQuotedFrom	edhelper.com