I am more convinced now.
			 
			 
			
		
		
		
			
			Looking at that scan I would say the the original typed number is correct. I know that all of the WD numbers within the various contracts were not used, but I am sure I have WD serials listed either side. 
 
John, 
I too would be interested if you have anymore names and or WD serials. At present I don't kowingly have any names listed for CGG. 
 
Cheers 
Kevin
		 
		
		
		
		
		
		
		
		
	
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