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Thread: Abandoned & Little-Known Airfields
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Old 14th Aug 2007, 17:38
  #85 (permalink)  
ZH875
 
Join Date: Apr 2003
Location: Lincolnshire
Age: 64
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SD usually refers to 'Secret Document', so SD13 will be classified, so unless it has been declassified, the contents will not be available.
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