Dais 

 MacMnCi 

 Tur/ts \> Cor. 

 ,s'W or 



Bottom- v>' t\ ' 



Reef. 



I)r(,lli 



.\'o. of Thormaffivpor 



Corrected h r.itu n 

 jjir Surface 



Trawl or drodgt, or hin«h-x 



Cur. 



Drift* 



SOUNDING WIRE. 





DREDGE ROPE, 



/ DOWN. 



UP, 





|mi\V3«» 









0 



I0O 







• 





200 



,|Ou 

 500 



Goo 











700 



Hou 











900 











t ' 











1 100 











1 2o<> 











1 JOO 











l.\<X} 











1 5 to 



1 /.UK) 











I7O0 











ISOO 











I90C3 











3000 











21 no 











2JOO 











j.\oo 







