r,,.r,J\\ 0 Cor.+ lf% 



Shut. rw-M »0« 



Bottom 



5>o5' = /*)0°^O 



Depth 



JJottom h inp> t a l in e 



, Yo. of (itcrmomrh'i Car. 

 Corrected UnipwaUtra 



SnrrtiM 



Surf am 

 Trautl or dredge 



Drift 



SOUNUING WIRE. 



I ^DO\vw. 



HP. 



■ o 



• Ml 



t*.L 



'< 





DREDGE ROPE 





I>0VVN. 



ur. 



b 

 too 







800 







300 







«JOO 





» 









700 







800 







t/X> 

 1 1' 







taoo 

 I |0Q 

 I4»x> 







1 1 00 







1 













lOQd 



















2J0O 

















