Originally posted by greenlake
					
						
						
							
							
							
							
								
								
								
								
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		So limestone, which I presume the rocks containing the caves are, should be a doddle.
Mind you, that is to get large bombs down to deep underground bunkers. So it may be they haven't bothered much with the problem of removing the spoils from behind the drill.

			
			
		



							
						
				
				
				
				
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