About: http://webisa.webdatacommons.org/72831362

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	When a patch of gravel is dug out, it can reveal ores such as coal and iron.
http://www.w3.org/ns/prov#wasQuotedFrom	gamepedia.com