About: http://webisa.webdatacommons.org/436933310

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	The increase was particularly marked in England and France, with the Kingdom of France having perhaps a third of the population of all of Europe (Pp56ff).The medievals were avid and extensive quarriers of stone and miners of metals.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com