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PLATE 1. 

 TYPES OF GUIDE CRIBS. 



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PILES WITH TIMBER FACING 



8 Walk Plank. 



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TYPES OF GUIDE CRIBS AS USED ON 

 TRIBUTARIES OF THE OHIO RIVER. 



Scale: 



NOTE. Guide cribs are below and above land walls of 

 locks. Guard cribs are below and above river walls of locks. 



