%>y^o; iV^/r /^if/fii^ 



Tilrns /oi ^ /// Depth ji^^J ' -fj^ 



Xii.uf tli&niwiiwMr ^T^i^/ ^ ^ Cor. 



Air Surfafie ^ 2— J>rr/* 



Trawl or dredge 



1200 



i7(X) 



I'lH.Mi 

 2000 



aaoo 

 2300 



2400 



DREDGE ROPE. 



DOWW, 



VP. 



