About: http://webisa.webdatacommons.org/48062793

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	Mining is a productive activity -- someome took something from a state where it was useless and brought it into a state where it is useful--this made the pie bigger.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.nl