609 



PLATE I 



4 X EMLAaaEMErMT OF P«AME AT TOP OF £'^0 COLUMr 



OP Plate 2 



ToePEDO Vv'arheao 



500 LBS TNT - DEPTH 50 FT 

 iN&TAIMTAMEOUb PmOTOGRAPH 



