About: http://webisa.webdatacommons.org/291802635

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	Soon coal and other mineral deposits were discovered and became important commodities.
http://www.w3.org/ns/prov#wasQuotedFrom	hansenbros.com