Tarns 



Shot, or Inxri 



Hull 



o. of thcrmotn* few 



Cor 



Corrected ttsmpnruliirc 



J Surface 

 Trawl or drudgr. 



SOUNDING WIRE. 



no 



WN. 



-j 



SS-60 



"0 



Soso 



V<0 



TURNS, 



300 



400 



600 

 TOO 

 Sou 



•/XI 



c.f 



I HX> 

 I30O 

 li'" 



1400 

 1500 



I bGO 

 170O 

 liioo 



SOQO 

 2IOU 



2200 

 2300 

 2400 



DREDGE ROPE 



UUWN. 



* ,71 



