PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The principal source of potassium ??? potash ??? is mined in Canada, Russia, Belarus, Germany, Israel, United States, Jordan, and other places around the world.[44][45][46] The first mined deposits were located near Sta??furt, Germany, but the deposits span from Great Britain over Germany into Poland.
http://www.w3.org/ns/prov#wasQuotedFrom
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