WILL DATED 19 FEBRUARY 1959

FOR THE ADVANCEMENT OF THE TEACHING AND PRACTICE OF GEOLOGY AS APPLIED TO MINING

NOT DEFINED

• 06 Ionawr 2009 : event-desc-asset-transfer-out
• 06 Tachwedd 1978 : Cofrestrwyd
• 06 Ionawr 2009 : Tynnwyd