Turn^ /^iLCor.-^ Dtptfv /if g'^/,, 



Bottom / ' 



JSotlom h'mperufturc f /i • 



.'V«. of llt^rm^jmeter ^ yu^f^'i^^^^ Cbr. ^jA^^ 



Alv / Surface/ !frr9 ^ Drift ) y/o' 



Tra'tvir-of dredge''^ 



^ rfi^ drsSge rope. 



SOUNDING WIRE./y., 



■J 



TtriLNS. 



(mm> 



r.'<iii 



/ 



t ft7l 



1700 



H/X> 



3300 



DOWN. 



UP. 



3' tftLffo 



