About: http://webisa.webdatacommons.org/188666950

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 generated the most ton-miles because, unlike gravel and stone which move mostly in local areas, coal is produced only in certain areas and is often shipped long distances.
http://www.w3.org/ns/prov#wasQuotedFrom	bts.gov